fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r156-tall-174881254300580
Last Updated
June 24, 2025

About the Execution of ITS-Tools for PolyORBNT-COL-S05J60

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 2286303.00 0.00 0.00 FFFFFFFFFFFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881254300580.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PolyORBNT-COL-S05J60, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881254300580
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 94K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-00
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-01
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-02
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-03
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-04
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-05
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-06
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-07
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-08
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-09
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-10
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-11
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-12
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-13
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-14
FORMULA_NAME PolyORBNT-COL-S05J60-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749052384647

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBNT-COL-S05J60
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-04 15:53:05] [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]
[2025-06-04 15:53:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 15:53:05] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-04 15:53:06] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-04 15:53:06] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 599 ms
[2025-06-04 15:53:06] [INFO ] Imported 48 HL places and 38 HL transitions for a total of 969 PT places and 2152.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2025-06-04 15:53:06] [INFO ] Built PT skeleton of HLPN with 48 places and 38 transitions 140 arcs in 5 ms.
[2025-06-04 15:53:06] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-COL-S05J60-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-COL-S05J60-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 11 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 24 to 19
RANDOM walk for 40001 steps (3198 resets) in 1195 ms. (33 steps per ms) remains 19/19 properties
BEST_FIRST walk for 3933 steps (95 resets) in 96 ms. (40 steps per ms) remains 0/19 properties
[2025-06-04 15:53:07] [INFO ] Flatten gal took : 20 ms
[2025-06-04 15:53:07] [INFO ] Flatten gal took : 7 ms
Transition Run forces synchronizations/join behavior on parameter j of sort Jobs
Transition trans_376 forces synchronizations/join behavior on parameter s of sort Sources
Symmetric sort wr.t. initial and guards and successors and join/free detected :States
Arc [42:1*[$t, 0, $j]] contains constants of sort States
Transition WillPerformWork : constants on arcs in [[42:1*[$t, 0, $j]]] introduces in States(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-04 15:53:07] [INFO ] Unfolded HLPN to a Petri net with 969 places and 2030 transitions 12704 arcs in 60 ms.
[2025-06-04 15:53:07] [INFO ] Unfolded 13 HLPN properties in 0 ms.
[2025-06-04 15:53:07] [INFO ] Reduced 90 identical enabling conditions.
Deduced a syphon composed of 60 places in 10 ms
Reduce places removed 60 places and 60 transitions.
Ensure Unique test removed 655 transitions
Reduce redundant transitions removed 655 transitions.
Support contains 284 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Applied a total of 0 rules in 75 ms. Remains 909 /909 variables (removed 0) and now considering 1315/1315 (removed 0) transitions.
Running 1309 sub problems to find dead transitions.
[2025-06-04 15:53:07] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
// Phase 1: matrix 1311 rows 909 cols
[2025-06-04 15:53:07] [INFO ] Computed 142 invariants in 80 ms
[2025-06-04 15:53:07] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
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(s716 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2220 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 20416 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/909 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:53:47] [INFO ] Deduced a trap composed of 12 places in 270 ms of which 27 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 898/2220 variables, and 132 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/909 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1309 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42420ms problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 42450ms
[2025-06-04 15:53:50] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:53:51] [INFO ] Implicit Places using invariants in 836 ms returned []
[2025-06-04 15:53:51] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:53:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:53:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 15:53:55] [INFO ] Implicit Places using invariants and state equation in 4158 ms returned []
Implicit Place search using SMT with State Equation took 5005 ms to find 0 implicit places.
Running 1309 sub problems to find dead transitions.
[2025-06-04 15:53:55] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:53:55] [INFO ] Invariant cache hit.
[2025-06-04 15:53:55] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2220 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/909 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 898/2220 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/909 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61287ms problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 61291ms
Finished structural reductions in LTL mode , in 1 iterations and 109122 ms. Remains : 909/909 places, 1315/1315 transitions.
Support contains 284 out of 909 places after structural reductions.
[2025-06-04 15:54:56] [INFO ] Flatten gal took : 216 ms
[2025-06-04 15:54:57] [INFO ] Flatten gal took : 157 ms
[2025-06-04 15:54:57] [INFO ] Input system was already deterministic with 1315 transitions.
Reduction of identical properties reduced properties to check from 24 to 21
RANDOM walk for 40000 steps (2754 resets) in 1097 ms. (36 steps per ms) remains 3/21 properties
BEST_FIRST walk for 40004 steps (430 resets) in 172 ms. (231 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (470 resets) in 136 ms. (292 steps per ms) remains 3/3 properties
BEST_FIRST walk for 444 steps (0 resets) in 10 ms. (40 steps per ms) remains 0/3 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 63 out of 909 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 904 transition count 1311
Reduce places removed 4 places and 0 transitions.
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: 62
Iterating post reduction 1 with 66 rules applied. Total rules applied 70 place count 900 transition count 1249
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 2 with 62 rules applied. Total rules applied 132 place count 838 transition count 1249
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 132 place count 838 transition count 1246
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 138 place count 835 transition count 1246
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 139 place count 834 transition count 1245
Iterating global reduction 3 with 1 rules applied. Total rules applied 140 place count 834 transition count 1245
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 144 place count 832 transition count 1243
Applied a total of 144 rules in 280 ms. Remains 832 /909 variables (removed 77) and now considering 1243/1315 (removed 72) transitions.
Running 1237 sub problems to find dead transitions.
[2025-06-04 15:54:58] [INFO ] Flow matrix only has 1239 transitions (discarded 4 similar events)
// Phase 1: matrix 1239 rows 832 cols
[2025-06-04 15:54:58] [INFO ] Computed 137 invariants in 33 ms
[2025-06-04 15:54:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/827 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/827 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 827/2071 variables, and 132 constraints, problems are : Problem set: 0 solved, 1237 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/832 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1237/1237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1237 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/827 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/827 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:55:36] [INFO ] Deduced a trap composed of 14 places in 345 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 827/2071 variables, and 133 constraints, problems are : Problem set: 0 solved, 1237 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/832 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1237 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41415ms problems are : Problem set: 0 solved, 1237 unsolved
Search for dead transitions found 0 dead transitions in 41418ms
[2025-06-04 15:55:40] [INFO ] Flow matrix only has 1239 transitions (discarded 4 similar events)
[2025-06-04 15:55:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:55:41] [INFO ] Implicit Places using invariants in 1718 ms returned []
[2025-06-04 15:55:41] [INFO ] Flow matrix only has 1239 transitions (discarded 4 similar events)
[2025-06-04 15:55:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:55:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 15:55:49] [INFO ] Implicit Places using invariants and state equation in 7931 ms returned []
Implicit Place search using SMT with State Equation took 9658 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 15:55:49] [INFO ] Redundant transitions in 58 ms returned []
Running 1237 sub problems to find dead transitions.
[2025-06-04 15:55:49] [INFO ] Flow matrix only has 1239 transitions (discarded 4 similar events)
[2025-06-04 15:55:49] [INFO ] Invariant cache hit.
[2025-06-04 15:55:49] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/827 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/827 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 827/2071 variables, and 132 constraints, problems are : Problem set: 0 solved, 1237 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/832 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1237/1237 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1237 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/827 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/827 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1237 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:56:29] [INFO ] Deduced a trap composed of 13 places in 196 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:56:47] [INFO ] Deduced a trap composed of 14 places in 394 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 827/2071 variables, and 134 constraints, problems are : Problem set: 0 solved, 1237 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/832 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1237 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61422ms problems are : Problem set: 0 solved, 1237 unsolved
Search for dead transitions found 0 dead transitions in 61425ms
Starting structural reductions in SI_LTL mode, iteration 1 : 832/909 places, 1243/1315 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112865 ms. Remains : 832/909 places, 1243/1315 transitions.
Stuttering acceptance computed with spot in 220 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-00
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 2 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-00 finished in 113137 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0) U (X((X((p2&&F(p3))) U (p2&&X((p2&&F(p3))))))||p1))))'
Support contains 65 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Applied a total of 5 rules in 28 ms. Remains 904 /909 variables (removed 5) and now considering 1315/1315 (removed 0) transitions.
Running 1309 sub problems to find dead transitions.
[2025-06-04 15:56:51] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
// Phase 1: matrix 1311 rows 904 cols
[2025-06-04 15:56:51] [INFO ] Computed 137 invariants in 18 ms
[2025-06-04 15:56:51] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:57:32] [INFO ] Deduced a trap composed of 12 places in 395 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:57:33] [INFO ] Deduced a trap composed of 14 places in 493 ms of which 46 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 898/2215 variables, and 133 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1309 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41505ms problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 41508ms
[2025-06-04 15:57:33] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:57:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:57:34] [INFO ] Implicit Places using invariants in 1534 ms returned []
[2025-06-04 15:57:34] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:57:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:57:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 15:57:41] [INFO ] Implicit Places using invariants and state equation in 6698 ms returned []
Implicit Place search using SMT with State Equation took 8253 ms to find 0 implicit places.
Running 1309 sub problems to find dead transitions.
[2025-06-04 15:57:41] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 15:57:41] [INFO ] Invariant cache hit.
[2025-06-04 15:57:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61399ms problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 61402ms
Starting structural reductions in LTL mode, iteration 1 : 904/909 places, 1315/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 111200 ms. Remains : 904/909 places, 1315/1315 transitions.
Stuttering acceptance computed with spot in 483 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-02
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 5 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-02 finished in 111733 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X((X(X(p1))&&G(p2)))))))'
Support contains 66 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 903 transition count 1314
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 903 transition count 1314
Applied a total of 7 rules in 39 ms. Remains 903 /909 variables (removed 6) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 15:58:43] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 15:58:43] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 15:58:43] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 15:59:18] [INFO ] Deduced a trap composed of 12 places in 235 ms of which 19 ms to minimize.
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 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41291ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41294ms
[2025-06-04 15:59:24] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 15:59:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:59:26] [INFO ] Implicit Places using invariants in 1496 ms returned []
[2025-06-04 15:59:26] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 15:59:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 15:59:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 15:59:30] [INFO ] Implicit Places using invariants and state equation in 4719 ms returned []
Implicit Place search using SMT with State Equation took 6257 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 15:59:30] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 15:59:30] [INFO ] Invariant cache hit.
[2025-06-04 15:59:30] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61487ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61490ms
Starting structural reductions in LTL mode, iteration 1 : 903/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 109088 ms. Remains : 903/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 238 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (NOT p1)), true, (NOT p1), (NOT p2), (NOT p1)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-03 finished in 109356 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p1))||p0)))'
Support contains 61 out of 909 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1310
Reduce places removed 5 places and 0 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Iterating post reduction 1 with 66 rules applied. Total rules applied 71 place count 899 transition count 1249
Reduce places removed 61 places and 0 transitions.
Iterating post reduction 2 with 61 rules applied. Total rules applied 132 place count 838 transition count 1249
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 132 place count 838 transition count 1245
Deduced a syphon composed of 4 places in 6 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 140 place count 834 transition count 1245
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 141 place count 833 transition count 1244
Iterating global reduction 3 with 1 rules applied. Total rules applied 142 place count 833 transition count 1244
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 146 place count 831 transition count 1242
Applied a total of 146 rules in 182 ms. Remains 831 /909 variables (removed 78) and now considering 1242/1315 (removed 73) transitions.
Running 1236 sub problems to find dead transitions.
[2025-06-04 16:00:32] [INFO ] Flow matrix only has 1238 transitions (discarded 4 similar events)
// Phase 1: matrix 1238 rows 831 cols
[2025-06-04 16:00:32] [INFO ] Computed 137 invariants in 18 ms
[2025-06-04 16:00:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/826 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/826 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 826/2069 variables, and 132 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/831 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/826 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/826 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 826/2069 variables, and 132 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/831 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41683ms problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 41685ms
[2025-06-04 16:01:14] [INFO ] Flow matrix only has 1238 transitions (discarded 4 similar events)
[2025-06-04 16:01:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:01:16] [INFO ] Implicit Places using invariants in 1548 ms returned []
[2025-06-04 16:01:16] [INFO ] Flow matrix only has 1238 transitions (discarded 4 similar events)
[2025-06-04 16:01:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:01:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:01:22] [INFO ] Implicit Places using invariants and state equation in 6113 ms returned []
Implicit Place search using SMT with State Equation took 7666 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:01:22] [INFO ] Redundant transitions in 59 ms returned []
Running 1236 sub problems to find dead transitions.
[2025-06-04 16:01:22] [INFO ] Flow matrix only has 1238 transitions (discarded 4 similar events)
[2025-06-04 16:01:22] [INFO ] Invariant cache hit.
[2025-06-04 16:01:22] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/826 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/826 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
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(s495 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 826/2069 variables, and 132 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/831 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/826 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/826 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:02:00] [INFO ] Deduced a trap composed of 13 places in 216 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:02:17] [INFO ] Deduced a trap composed of 13 places in 398 ms of which 16 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/826 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 826/2069 variables, and 134 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/831 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1236 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61277ms problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 61279ms
Starting structural reductions in SI_LTL mode, iteration 1 : 831/909 places, 1242/1315 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110882 ms. Remains : 831/909 places, 1242/1315 transitions.
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-04
Stuttering criterion allowed to conclude after 30 steps with 1 reset in 3 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-04 finished in 110992 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(((p2 U p3)&&p1)))))'
Support contains 4 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 903 transition count 1314
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 903 transition count 1314
Applied a total of 7 rules in 41 ms. Remains 903 /909 variables (removed 6) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:02:23] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 16:02:23] [INFO ] Computed 137 invariants in 18 ms
[2025-06-04 16:02:23] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:02:58] [INFO ] Deduced a trap composed of 12 places in 234 ms of which 19 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41395ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41398ms
[2025-06-04 16:03:05] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:03:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:03:06] [INFO ] Implicit Places using invariants in 1610 ms returned []
[2025-06-04 16:03:06] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:03:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:03:07] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:03:15] [INFO ] Implicit Places using invariants and state equation in 8768 ms returned []
Implicit Place search using SMT with State Equation took 10380 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:03:15] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:03:15] [INFO ] Invariant cache hit.
[2025-06-04 16:03:15] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61353ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61358ms
Starting structural reductions in LTL mode, iteration 1 : 903/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 113191 ms. Remains : 903/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 180 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p3), (OR (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-05
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-05 finished in 113395 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X(p1)))&&X(X(X(F(p2))))))'
Support contains 14 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 908 transition count 1314
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 908 transition count 1314
Applied a total of 2 rules in 33 ms. Remains 908 /909 variables (removed 1) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:04:17] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 908 cols
[2025-06-04 16:04:17] [INFO ] Computed 142 invariants in 18 ms
[2025-06-04 16:04:17] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41430ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41432ms
[2025-06-04 16:04:58] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:04:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:05:00] [INFO ] Implicit Places using invariants in 1654 ms returned []
[2025-06-04 16:05:00] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:05:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:05:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:05:09] [INFO ] Implicit Places using invariants and state equation in 8809 ms returned []
Implicit Place search using SMT with State Equation took 10483 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:05:09] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:05:09] [INFO ] Invariant cache hit.
[2025-06-04 16:05:09] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s127 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61399ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61401ms
Starting structural reductions in LTL mode, iteration 1 : 908/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 113361 ms. Remains : 908/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-06
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-06 finished in 113583 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((p0||X(p1)) U G(!p0)))))'
Support contains 65 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 903 transition count 1314
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 903 transition count 1314
Applied a total of 7 rules in 35 ms. Remains 903 /909 variables (removed 6) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:06:10] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 16:06:10] [INFO ] Computed 137 invariants in 24 ms
[2025-06-04 16:06:10] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:06:45] [INFO ] Deduced a trap composed of 12 places in 239 ms of which 20 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41460ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41462ms
[2025-06-04 16:06:52] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:06:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:06:53] [INFO ] Implicit Places using invariants in 1510 ms returned []
[2025-06-04 16:06:53] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:06:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:06:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:07:02] [INFO ] Implicit Places using invariants and state equation in 8982 ms returned []
Implicit Place search using SMT with State Equation took 10499 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:07:02] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:07:02] [INFO ] Invariant cache hit.
[2025-06-04 16:07:02] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s72 timeout
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(s73 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61270ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61272ms
Starting structural reductions in LTL mode, iteration 1 : 903/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 113274 ms. Remains : 903/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 199 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-07
Product exploration explored 100000 steps with 16693 reset in 611 ms.
Product exploration explored 100000 steps with 16686 reset in 584 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 145 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 190 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
RANDOM walk for 40000 steps (2733 resets) in 312 ms. (127 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (436 resets) in 1395 ms. (28 steps per ms) remains 1/1 properties
[2025-06-04 16:08:06] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:08:06] [INFO ] Invariant cache hit.
[2025-06-04 16:08:06] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 511/576 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 306/882 variables, 62/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/882 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/894 variables, 4/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/894 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/902 variables, 6/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/902 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1310/2212 variables, 902/1039 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2212 variables, 1/1040 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2212 variables, 0/1040 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/2213 variables, 1/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2213 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2213 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2213/2213 variables, and 1041 constraints, problems are : Problem set: 0 solved, 1 unsolved in 875 ms.
Refiners :[Positive P Invariants (semi-flows): 131/131 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 903/903 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 511/576 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 306/882 variables, 62/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/882 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/894 variables, 4/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/894 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/902 variables, 6/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/902 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2212/2213 variables, and 1039 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1603 ms.
Refiners :[Positive P Invariants (semi-flows): 131/131 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 902/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2492ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 115 ms.
Support contains 65 out of 903 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 903/903 places, 1314/1314 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 903 transition count 1250
Reduce places removed 64 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 65 rules applied. Total rules applied 129 place count 839 transition count 1249
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 130 place count 838 transition count 1249
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 130 place count 838 transition count 1185
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 258 place count 774 transition count 1185
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 264 place count 771 transition count 1182
Applied a total of 264 rules in 113 ms. Remains 771 /903 variables (removed 132) and now considering 1182/1314 (removed 132) transitions.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:08:08] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
// Phase 1: matrix 1178 rows 771 cols
[2025-06-04 16:08:08] [INFO ] Computed 137 invariants in 29 ms
[2025-06-04 16:08:08] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:08:35] [INFO ] Deduced a trap composed of 13 places in 223 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41476ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 41479ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41595 ms. Remains : 771/903 places, 1182/1314 transitions.
RANDOM walk for 40001 steps (1885 resets) in 377 ms. (105 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (100 resets) in 373 ms. (106 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 280691 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 280691 steps, saw 86272 distinct states, run finished after 3007 ms. (steps per millisecond=93 ) properties seen :0
[2025-06-04 16:08:53] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:08:53] [INFO ] Invariant cache hit.
[2025-06-04 16:08:53] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 376/441 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/441 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/746 variables, 61/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/746 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/758 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/758 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 11/769 variables, 7/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/769 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/770 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/770 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1178/1948 variables, 770/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1948 variables, 1/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1948 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/1949 variables, 1/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1949 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1949 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1949/1949 variables, and 909 constraints, problems are : Problem set: 0 solved, 1 unsolved in 914 ms.
Refiners :[Positive P Invariants (semi-flows): 130/130 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 771/771 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 376/441 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/441 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/746 variables, 61/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/746 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/758 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/758 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 11/769 variables, 7/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/769 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/770 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/770 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1178/1948 variables, 770/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1948/1949 variables, and 908 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9921 ms.
Refiners :[Positive P Invariants (semi-flows): 130/130 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 770/771 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10860ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 65 out of 771 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 771/771 places, 1182/1182 transitions.
Applied a total of 0 rules in 37 ms. Remains 771 /771 variables (removed 0) and now considering 1182/1182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 771/771 places, 1182/1182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 771/771 places, 1182/1182 transitions.
Applied a total of 0 rules in 26 ms. Remains 771 /771 variables (removed 0) and now considering 1182/1182 (removed 0) transitions.
[2025-06-04 16:09:04] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:09:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:09:06] [INFO ] Implicit Places using invariants in 2104 ms returned []
[2025-06-04 16:09:06] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:09:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:09:07] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:09:12] [INFO ] Implicit Places using invariants and state equation in 6341 ms returned []
Implicit Place search using SMT with State Equation took 8460 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:09:13] [INFO ] Redundant transitions in 14 ms returned []
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:09:13] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:09:13] [INFO ] Invariant cache hit.
[2025-06-04 16:09:13] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:09:50] [INFO ] Deduced a trap composed of 13 places in 194 ms of which 13 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/766 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61599ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 61605ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70121 ms. Remains : 771/771 places, 1182/1182 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 188 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 179 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Stuttering acceptance computed with spot in 170 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Support contains 65 out of 903 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 903/903 places, 1314/1314 transitions.
Applied a total of 0 rules in 24 ms. Remains 903 /903 variables (removed 0) and now considering 1314/1314 (removed 0) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:10:15] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 16:10:15] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 16:10:15] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:10:50] [INFO ] Deduced a trap composed of 12 places in 252 ms of which 19 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41490ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41492ms
[2025-06-04 16:10:56] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:10:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:10:58] [INFO ] Implicit Places using invariants in 1440 ms returned []
[2025-06-04 16:10:58] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:10:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:10:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:11:07] [INFO ] Implicit Places using invariants and state equation in 8902 ms returned []
Implicit Place search using SMT with State Equation took 10368 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:11:07] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:11:07] [INFO ] Invariant cache hit.
[2025-06-04 16:11:07] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61486ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61490ms
Finished structural reductions in LTL mode , in 1 iterations and 113381 ms. Remains : 903/903 places, 1314/1314 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
RANDOM walk for 40000 steps (2774 resets) in 265 ms. (150 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (455 resets) in 310 ms. (128 steps per ms) remains 1/1 properties
[2025-06-04 16:12:09] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:12:09] [INFO ] Invariant cache hit.
[2025-06-04 16:12:09] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 511/576 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 306/882 variables, 62/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/882 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/894 variables, 4/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/894 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/902 variables, 6/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/902 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1310/2212 variables, 902/1039 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2212 variables, 1/1040 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2212 variables, 0/1040 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/2213 variables, 1/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2213 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2213 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2213/2213 variables, and 1041 constraints, problems are : Problem set: 0 solved, 1 unsolved in 913 ms.
Refiners :[Positive P Invariants (semi-flows): 131/131 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 903/903 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 511/576 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 306/882 variables, 62/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/882 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/894 variables, 4/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/894 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/902 variables, 6/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/902 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2212/2213 variables, and 1039 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1595 ms.
Refiners :[Positive P Invariants (semi-flows): 131/131 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 902/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2520ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 65 out of 903 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 903/903 places, 1314/1314 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 903 transition count 1250
Reduce places removed 64 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 65 rules applied. Total rules applied 129 place count 839 transition count 1249
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 130 place count 838 transition count 1249
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 130 place count 838 transition count 1185
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 258 place count 774 transition count 1185
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 264 place count 771 transition count 1182
Applied a total of 264 rules in 60 ms. Remains 771 /903 variables (removed 132) and now considering 1182/1314 (removed 132) transitions.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:12:11] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
// Phase 1: matrix 1178 rows 771 cols
[2025-06-04 16:12:11] [INFO ] Computed 137 invariants in 20 ms
[2025-06-04 16:12:11] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
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(s720 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:12:38] [INFO ] Deduced a trap composed of 13 places in 225 ms of which 16 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 2)
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(s300 0)timeout

(s301 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41437ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 41439ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41501 ms. Remains : 771/903 places, 1182/1314 transitions.
RANDOM walk for 40000 steps (1896 resets) in 267 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 270 ms. (147 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 287005 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 1
Probabilistic random walk after 287005 steps, saw 88268 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2025-06-04 16:12:56] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:12:56] [INFO ] Invariant cache hit.
[2025-06-04 16:12:56] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 376/441 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/441 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/746 variables, 61/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/746 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/758 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/758 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 11/769 variables, 7/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/769 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/770 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/770 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1178/1948 variables, 770/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1948 variables, 1/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1948 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/1949 variables, 1/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1949 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1949 variables, 0/909 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1949/1949 variables, and 909 constraints, problems are : Problem set: 0 solved, 1 unsolved in 936 ms.
Refiners :[Positive P Invariants (semi-flows): 130/130 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 771/771 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 376/441 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/441 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/746 variables, 61/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/746 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/758 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/758 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 11/769 variables, 7/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/769 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/770 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/770 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1178/1948 variables, 770/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1948/1949 variables, and 908 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5744 ms.
Refiners :[Positive P Invariants (semi-flows): 130/130 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 770/771 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6695ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 417 ms.
Support contains 65 out of 771 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 771/771 places, 1182/1182 transitions.
Applied a total of 0 rules in 27 ms. Remains 771 /771 variables (removed 0) and now considering 1182/1182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 771/771 places, 1182/1182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 771/771 places, 1182/1182 transitions.
Applied a total of 0 rules in 25 ms. Remains 771 /771 variables (removed 0) and now considering 1182/1182 (removed 0) transitions.
[2025-06-04 16:13:03] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:13:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:13:05] [INFO ] Implicit Places using invariants in 2206 ms returned []
[2025-06-04 16:13:05] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:13:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:13:11] [INFO ] Implicit Places using invariants and state equation in 6117 ms returned []
Implicit Place search using SMT with State Equation took 8327 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:13:11] [INFO ] Redundant transitions in 9 ms returned []
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:13:11] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:13:11] [INFO ] Invariant cache hit.
[2025-06-04 16:13:11] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:13:50] [INFO ] Deduced a trap composed of 13 places in 218 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/766 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61523ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 61525ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69898 ms. Remains : 771/771 places, 1182/1182 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) p1))), (F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 258 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 207 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Stuttering acceptance computed with spot in 202 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Stuttering acceptance computed with spot in 196 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Product exploration explored 100000 steps with 16682 reset in 515 ms.
Product exploration explored 100000 steps with 16719 reset in 545 ms.
Applying partial POR strategy [false, false, false, true, true, true]
Stuttering acceptance computed with spot in 196 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Support contains 65 out of 903 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 903/903 places, 1314/1314 transitions.
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 903 transition count 1314
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 64 place count 903 transition count 1315
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 66 place count 903 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 67 place count 902 transition count 1314
Deduced a syphon composed of 65 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 68 place count 902 transition count 1314
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 131 places in 0 ms
Iterating global reduction 1 with 66 rules applied. Total rules applied 134 place count 902 transition count 1314
Discarding 64 places :
Symmetric choice reduction at 1 with 64 rule applications. Total rules 198 place count 838 transition count 1250
Deduced a syphon composed of 67 places in 1 ms
Iterating global reduction 1 with 64 rules applied. Total rules applied 262 place count 838 transition count 1250
Deduced a syphon composed of 67 places in 0 ms
Applied a total of 262 rules in 197 ms. Remains 838 /903 variables (removed 65) and now considering 1250/1314 (removed 64) transitions.
Running 1244 sub problems to find dead transitions.
[2025-06-04 16:14:15] [INFO ] Flow matrix only has 1246 transitions (discarded 4 similar events)
// Phase 1: matrix 1246 rows 838 cols
[2025-06-04 16:14:15] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 16:14:15] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/833 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/833 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1244 unsolved
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(s572 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 833/2084 variables, and 132 constraints, problems are : Problem set: 0 solved, 1244 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 127/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/838 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1244/1244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1244 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/833 variables, 127/127 constraints. Problems are: Problem set: 0 solved, 1244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/833 variables, 5/132 constraints. Problems are: Problem set: 0 solved, 1244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:14:49] [INFO ] Deduced a trap composed of 10 places in 315 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:14:49] [INFO ] Deduced a trap composed of 9 places in 312 ms of which 20 ms to minimize.
Problem TDEAD245 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:14:57] [INFO ] Deduced a trap composed of 13 places in 341 ms of which 25 ms to minimize.
SMT process timed out in 41611ms, After SMT, problems are : Problem set: 1 solved, 1243 unsolved
Search for dead transitions found 1 dead transitions in 41614ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:14:57] [INFO ] Redundant transitions in 11 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 838/903 places, 1249/1314 transitions.
Graph (complete) has 4310 edges and 838 vertex of which 837 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Deduced a syphon composed of 66 places in 1 ms
Applied a total of 1 rules in 35 ms. Remains 837 /838 variables (removed 1) and now considering 1249/1249 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 837/903 places, 1249/1314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 41878 ms. Remains : 837/903 places, 1249/1314 transitions.
Built C files in :
/tmp/ltsmin17859017515703847802
[2025-06-04 16:14:57] [INFO ] Built C files in 70ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17859017515703847802
Running compilation step : cd /tmp/ltsmin17859017515703847802;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2785 ms.
Running link step : cd /tmp/ltsmin17859017515703847802;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin17859017515703847802;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15205342644420492047.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 65 out of 903 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 903/903 places, 1314/1314 transitions.
Applied a total of 0 rules in 15 ms. Remains 903 /903 variables (removed 0) and now considering 1314/1314 (removed 0) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:15:12] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 16:15:12] [INFO ] Computed 137 invariants in 40 ms
[2025-06-04 16:15:12] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:15:47] [INFO ] Deduced a trap composed of 12 places in 201 ms of which 19 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20038 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41327ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41329ms
[2025-06-04 16:15:54] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:15:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:15:55] [INFO ] Implicit Places using invariants in 1593 ms returned []
[2025-06-04 16:15:55] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:15:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:15:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:16:04] [INFO ] Implicit Places using invariants and state equation in 8811 ms returned []
Implicit Place search using SMT with State Equation took 10425 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:16:04] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:16:04] [INFO ] Invariant cache hit.
[2025-06-04 16:16:04] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s265 0.0)
(s266 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 2)
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(s224 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61494ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61496ms
Finished structural reductions in LTL mode , in 1 iterations and 113272 ms. Remains : 903/903 places, 1314/1314 transitions.
Built C files in :
/tmp/ltsmin10236232376880694025
[2025-06-04 16:17:06] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10236232376880694025
Running compilation step : cd /tmp/ltsmin10236232376880694025;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2564 ms.
Running link step : cd /tmp/ltsmin10236232376880694025;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin10236232376880694025;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased1780663215978455800.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-04 16:17:21] [INFO ] Flatten gal took : 66 ms
[2025-06-04 16:17:21] [INFO ] Flatten gal took : 66 ms
[2025-06-04 16:17:21] [INFO ] Time to serialize gal into /tmp/LTL12793879966781605187.gal : 20 ms
[2025-06-04 16:17:21] [INFO ] Time to serialize properties into /tmp/LTL484022773632505960.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12793879966781605187.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1279559582246174645.hoa' '-atoms' '/tmp/LTL484022773632505960.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL484022773632505960.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1279559582246174645.hoa
Detected timeout of ITS tools.
[2025-06-04 16:17:36] [INFO ] Flatten gal took : 60 ms
[2025-06-04 16:17:36] [INFO ] Flatten gal took : 59 ms
[2025-06-04 16:17:36] [INFO ] Time to serialize gal into /tmp/LTL1998803171946658291.gal : 12 ms
[2025-06-04 16:17:36] [INFO ] Time to serialize properties into /tmp/LTL9486136639622400156.ltl : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1998803171946658291.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9486136639622400156.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X(((X("(((((((((block>=1)&&(QueueJobB_36>=1))&&(mi1>=1))||(((block>=1)&&(QueueJobB_7>=1))&&(mi1>=1)))||((((block>=1)&&(QueueJobB_...2999
Formula 0 simplified : XX((!"((NotifyEventJobQueuedE>=1)&&(place_458>=1))" & X!"(((((((((block>=1)&&(QueueJobB_36>=1))&&(mi1>=1))||(((block>=1)&&(QueueJobB...2986
Detected timeout of ITS tools.
[2025-06-04 16:17:51] [INFO ] Flatten gal took : 51 ms
[2025-06-04 16:17:51] [INFO ] Applying decomposition
[2025-06-04 16:17:51] [INFO ] Flatten gal took : 48 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8386517483023689250.txt' '-o' '/tmp/graph8386517483023689250.bin' '-w' '/tmp/graph8386517483023689250.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8386517483023689250.bin' '-l' '-1' '-v' '-w' '/tmp/graph8386517483023689250.weights' '-q' '0' '-e' '0.001'
[2025-06-04 16:17:52] [INFO ] Decomposing Gal with order
[2025-06-04 16:17:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 16:17:52] [INFO ] Removed a total of 1509 redundant transitions.
[2025-06-04 16:17:52] [INFO ] Flatten gal took : 290 ms
[2025-06-04 16:17:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 130 labels/synchronizations in 42 ms.
[2025-06-04 16:17:52] [INFO ] Time to serialize gal into /tmp/LTL3013341079601766101.gal : 18 ms
[2025-06-04 16:17:52] [INFO ] Time to serialize properties into /tmp/LTL12777455689561206110.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3013341079601766101.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12777455689561206110.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(X(((X("(((((((((i11.u23.block>=1)&&(i11.u23.QueueJobB_36>=1))&&(i11.u23.mi1>=1))||(((i11.u23.block>=1)&&(i11.u23.QueueJobB_7>=1))...4495
Formula 0 simplified : XX((!"((i21.u49.NotifyEventJobQueuedE>=1)&&(i21.u50.place_458>=1))" & X!"(((((((((i11.u23.block>=1)&&(i11.u23.QueueJobB_36>=1))&&(i1...4482
Detected timeout of ITS tools.
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-07 finished in 716976 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)&&X(F(p1))&&(F(!p2)||G(!p3))))'
Support contains 140 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 908 transition count 1314
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 908 transition count 1314
Applied a total of 2 rules in 51 ms. Remains 908 /909 variables (removed 1) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:18:07] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 908 cols
[2025-06-04 16:18:07] [INFO ] Computed 142 invariants in 20 ms
[2025-06-04 16:18:07] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
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(s25 0.0)
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(s28 (/ 1.0 3.0))
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(s31 (/ 1.0 3.0))
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(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 7.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 1.0)
(s68 0.0)
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(s71 0.0)
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(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41408ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41410ms
[2025-06-04 16:18:49] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:18:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:18:50] [INFO ] Implicit Places using invariants in 1151 ms returned []
[2025-06-04 16:18:50] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:18:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:18:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:18:57] [INFO ] Implicit Places using invariants and state equation in 7653 ms returned []
Implicit Place search using SMT with State Equation took 8812 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:18:57] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:18:57] [INFO ] Invariant cache hit.
[2025-06-04 16:18:57] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2218 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/135 constraints, Generalized P Invariants (flows): 5/7 constraints, State Equation: 0/908 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61357ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61362ms
Starting structural reductions in LTL mode, iteration 1 : 908/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 111645 ms. Remains : 908/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p1) p0 (AND p2 p3)), p0, (NOT p1), p2, (AND p2 p3)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-08
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-08 finished in 111847 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(X(G(!p1))))))'
Support contains 130 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 903 transition count 1314
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 903 transition count 1314
Applied a total of 7 rules in 38 ms. Remains 903 /909 variables (removed 6) and now considering 1314/1315 (removed 1) transitions.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:19:59] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
// Phase 1: matrix 1310 rows 903 cols
[2025-06-04 16:19:59] [INFO ] Computed 137 invariants in 22 ms
[2025-06-04 16:19:59] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:20:34] [INFO ] Deduced a trap composed of 12 places in 222 ms of which 20 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 132 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41504ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 41506ms
[2025-06-04 16:20:41] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:20:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:20:42] [INFO ] Implicit Places using invariants in 996 ms returned []
[2025-06-04 16:20:42] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:20:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:20:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:20:45] [INFO ] Implicit Places using invariants and state equation in 3428 ms returned []
Implicit Place search using SMT with State Equation took 4451 ms to find 0 implicit places.
Running 1308 sub problems to find dead transitions.
[2025-06-04 16:20:45] [INFO ] Flow matrix only has 1310 transitions (discarded 4 similar events)
[2025-06-04 16:20:45] [INFO ] Invariant cache hit.
[2025-06-04 16:20:45] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1308/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1308 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/897 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/897 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 897/2213 variables, and 131 constraints, problems are : Problem set: 0 solved, 1308 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/903 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1308 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61481ms problems are : Problem set: 0 solved, 1308 unsolved
Search for dead transitions found 0 dead transitions in 61483ms
Starting structural reductions in LTL mode, iteration 1 : 903/909 places, 1314/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107484 ms. Remains : 903/909 places, 1314/1315 transitions.
Stuttering acceptance computed with spot in 183 ms :[true, (OR (NOT p0) p1), p1, p1, (OR (NOT p0) p1)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-09 finished in 107692 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 2 out of 909 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 66 transitions
Trivial Post-agglo rules discarded 66 transitions
Performed 66 trivial Post agglomeration. Transition count delta: 66
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 904 transition count 1249
Reduce places removed 66 places and 0 transitions.
Iterating post reduction 1 with 66 rules applied. Total rules applied 132 place count 838 transition count 1249
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 132 place count 838 transition count 1185
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 260 place count 774 transition count 1185
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 261 place count 773 transition count 1184
Iterating global reduction 2 with 1 rules applied. Total rules applied 262 place count 773 transition count 1184
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 2 with 4 rules applied. Total rules applied 266 place count 771 transition count 1182
Applied a total of 266 rules in 87 ms. Remains 771 /909 variables (removed 138) and now considering 1182/1315 (removed 133) transitions.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:21:47] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
// Phase 1: matrix 1178 rows 771 cols
[2025-06-04 16:21:47] [INFO ] Computed 137 invariants in 16 ms
[2025-06-04 16:21:47] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s430 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:22:13] [INFO ] Deduced a trap composed of 13 places in 219 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41378ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 41380ms
[2025-06-04 16:22:28] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:22:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:22:30] [INFO ] Implicit Places using invariants in 2208 ms returned []
[2025-06-04 16:22:30] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:22:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:22:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:22:39] [INFO ] Implicit Places using invariants and state equation in 8514 ms returned []
Implicit Place search using SMT with State Equation took 10747 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:22:39] [INFO ] Redundant transitions in 9 ms returned []
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:22:39] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:22:39] [INFO ] Invariant cache hit.
[2025-06-04 16:22:39] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:23:17] [INFO ] Deduced a trap composed of 13 places in 185 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/766 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
(s398 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
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)
(s399 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61492ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 61494ms
Starting structural reductions in SI_LTL mode, iteration 1 : 771/909 places, 1182/1315 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 113737 ms. Remains : 771/909 places, 1182/1315 transitions.
Stuttering acceptance computed with spot in 91 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-11
Stuttering criterion allowed to conclude after 29 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-11 finished in 113844 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((G(!p0) U X(X((G(p1) U X(p2))))))))'
Support contains 71 out of 909 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 0 with 65 rules applied. Total rules applied 65 place count 904 transition count 1250
Reduce places removed 65 places and 0 transitions.
Iterating post reduction 1 with 65 rules applied. Total rules applied 130 place count 839 transition count 1250
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 130 place count 839 transition count 1186
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 258 place count 775 transition count 1186
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 259 place count 774 transition count 1185
Iterating global reduction 2 with 1 rules applied. Total rules applied 260 place count 774 transition count 1185
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 2 with 4 rules applied. Total rules applied 264 place count 772 transition count 1183
Applied a total of 264 rules in 88 ms. Remains 772 /909 variables (removed 137) and now considering 1183/1315 (removed 132) transitions.
Running 1177 sub problems to find dead transitions.
[2025-06-04 16:23:41] [INFO ] Flow matrix only has 1179 transitions (discarded 4 similar events)
// Phase 1: matrix 1179 rows 772 cols
[2025-06-04 16:23:41] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 16:23:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/767 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/767 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 767/1951 variables, and 132 constraints, problems are : Problem set: 0 solved, 1177 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/772 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1177/1177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1177 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/767 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/767 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 767/1951 variables, and 132 constraints, problems are : Problem set: 0 solved, 1177 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/772 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41441ms problems are : Problem set: 0 solved, 1177 unsolved
Search for dead transitions found 0 dead transitions in 41444ms
[2025-06-04 16:24:22] [INFO ] Flow matrix only has 1179 transitions (discarded 4 similar events)
[2025-06-04 16:24:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:24:25] [INFO ] Implicit Places using invariants in 2452 ms returned []
[2025-06-04 16:24:25] [INFO ] Flow matrix only has 1179 transitions (discarded 4 similar events)
[2025-06-04 16:24:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:24:25] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:24:32] [INFO ] Implicit Places using invariants and state equation in 7225 ms returned []
Implicit Place search using SMT with State Equation took 9721 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:24:32] [INFO ] Redundant transitions in 9 ms returned []
Running 1177 sub problems to find dead transitions.
[2025-06-04 16:24:32] [INFO ] Flow matrix only has 1179 transitions (discarded 4 similar events)
[2025-06-04 16:24:32] [INFO ] Invariant cache hit.
[2025-06-04 16:24:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/767 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/767 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 767/1951 variables, and 132 constraints, problems are : Problem set: 0 solved, 1177 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/772 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1177/1177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/767 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/767 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:25:08] [INFO ] Deduced a trap composed of 14 places in 131 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/767 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 767/1951 variables, and 133 constraints, problems are : Problem set: 0 solved, 1177 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/772 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1177 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61331ms problems are : Problem set: 0 solved, 1177 unsolved
Search for dead transitions found 0 dead transitions in 61333ms
Starting structural reductions in SI_LTL mode, iteration 1 : 772/909 places, 1183/1315 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112614 ms. Remains : 772/909 places, 1183/1315 transitions.
Stuttering acceptance computed with spot in 2204 ms :[(NOT p2), (AND p0 (NOT p2)), (NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-12
Stuttering criterion allowed to conclude after 1890 steps with 124 reset in 57 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-12 finished in 114972 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((p0&&F(G(p1))))) U (p1&&(p2||F(p3)))))'
Support contains 72 out of 909 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 904 transition count 1315
Applied a total of 5 rules in 25 ms. Remains 904 /909 variables (removed 5) and now considering 1315/1315 (removed 0) transitions.
Running 1309 sub problems to find dead transitions.
[2025-06-04 16:25:36] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
// Phase 1: matrix 1311 rows 904 cols
[2025-06-04 16:25:36] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 16:25:36] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:26:17] [INFO ] Deduced a trap composed of 12 places in 346 ms of which 31 ms to minimize.
SMT process timed out in 41513ms, After SMT, problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 41516ms
[2025-06-04 16:26:17] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 16:26:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:26:18] [INFO ] Implicit Places using invariants in 1375 ms returned []
[2025-06-04 16:26:18] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 16:26:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:26:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:26:26] [INFO ] Implicit Places using invariants and state equation in 7241 ms returned []
Implicit Place search using SMT with State Equation took 8629 ms to find 0 implicit places.
Running 1309 sub problems to find dead transitions.
[2025-06-04 16:26:26] [INFO ] Flow matrix only has 1311 transitions (discarded 4 similar events)
[2025-06-04 16:26:26] [INFO ] Invariant cache hit.
[2025-06-04 16:26:26] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1309/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1309 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 5/131 constraints. Problems are: Problem set: 0 solved, 1309 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 898/2215 variables, and 131 constraints, problems are : Problem set: 0 solved, 1309 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 126/131 constraints, Generalized P Invariants (flows): 5/6 constraints, State Equation: 0/904 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1309 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61448ms problems are : Problem set: 0 solved, 1309 unsolved
Search for dead transitions found 0 dead transitions in 61454ms
Starting structural reductions in LTL mode, iteration 1 : 904/909 places, 1315/1315 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 111630 ms. Remains : 904/909 places, 1315/1315 transitions.
Stuttering acceptance computed with spot in 305 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1)), true, (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-13
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-13 finished in 111962 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 909 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 0 with 65 rules applied. Total rules applied 65 place count 904 transition count 1250
Reduce places removed 65 places and 0 transitions.
Iterating post reduction 1 with 65 rules applied. Total rules applied 130 place count 839 transition count 1250
Performed 65 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 65 Pre rules applied. Total rules applied 130 place count 839 transition count 1185
Deduced a syphon composed of 65 places in 0 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 260 place count 774 transition count 1185
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 261 place count 773 transition count 1184
Iterating global reduction 2 with 1 rules applied. Total rules applied 262 place count 773 transition count 1184
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 2 with 4 rules applied. Total rules applied 266 place count 771 transition count 1182
Applied a total of 266 rules in 80 ms. Remains 771 /909 variables (removed 138) and now considering 1182/1315 (removed 133) transitions.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:27:28] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
// Phase 1: matrix 1178 rows 771 cols
[2025-06-04 16:27:28] [INFO ] Computed 137 invariants in 17 ms
[2025-06-04 16:27:28] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:28:03] [INFO ] Deduced a trap composed of 132 places in 345 ms of which 45 ms to minimize.
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 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41428ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 41430ms
[2025-06-04 16:28:09] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:28:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:28:11] [INFO ] Implicit Places using invariants in 2260 ms returned []
[2025-06-04 16:28:11] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:28:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:28:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:28:17] [INFO ] Implicit Places using invariants and state equation in 5715 ms returned []
Implicit Place search using SMT with State Equation took 8001 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 16:28:17] [INFO ] Redundant transitions in 9 ms returned []
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:28:17] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:28:17] [INFO ] Invariant cache hit.
[2025-06-04 16:28:17] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:28:52] [INFO ] Deduced a trap composed of 14 places in 122 ms of which 10 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/766 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61313ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 61315ms
Starting structural reductions in SI_LTL mode, iteration 1 : 771/909 places, 1182/1315 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110860 ms. Remains : 771/909 places, 1182/1315 transitions.
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-15
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-15 finished in 110936 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((p0||X(p1)) U G(!p0)))))'
Found a Lengthening insensitive property : PolyORBNT-COL-S05J60-LTLFireability-07
Stuttering acceptance computed with spot in 192 ms :[p0, p0, p0, (AND p0 (NOT p1)), true, (AND p0 p1)]
Support contains 65 out of 909 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 909/909 places, 1315/1315 transitions.
Ensure Unique test removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 0 with 65 rules applied. Total rules applied 65 place count 904 transition count 1250
Reduce places removed 65 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 66 rules applied. Total rules applied 131 place count 839 transition count 1249
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 132 place count 838 transition count 1249
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 132 place count 838 transition count 1185
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 260 place count 774 transition count 1185
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 261 place count 773 transition count 1184
Iterating global reduction 3 with 1 rules applied. Total rules applied 262 place count 773 transition count 1184
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 3 with 4 rules applied. Total rules applied 266 place count 771 transition count 1182
Applied a total of 266 rules in 82 ms. Remains 771 /909 variables (removed 138) and now considering 1182/1315 (removed 133) transitions.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:29:19] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
// Phase 1: matrix 1178 rows 771 cols
[2025-06-04 16:29:19] [INFO ] Computed 137 invariants in 27 ms
[2025-06-04 16:29:19] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:29:45] [INFO ] Deduced a trap composed of 13 places in 208 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41419ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 41421ms
[2025-06-04 16:30:00] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:30:02] [INFO ] Implicit Places using invariants in 2263 ms returned []
[2025-06-04 16:30:02] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:30:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 16:30:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 16:30:09] [INFO ] Implicit Places using invariants and state equation in 6422 ms returned []
Implicit Place search using SMT with State Equation took 8689 ms to find 0 implicit places.
Running 1176 sub problems to find dead transitions.
[2025-06-04 16:30:09] [INFO ] Flow matrix only has 1178 transitions (discarded 4 similar events)
[2025-06-04 16:30:09] [INFO ] Invariant cache hit.
[2025-06-04 16:30:09] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 766/1949 variables, and 132 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1176/1176 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/766 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/766 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 16:30:47] [INFO ] Deduced a trap composed of 13 places in 212 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/766 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 1176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 766/1949 variables, and 133 constraints, problems are : Problem set: 0 solved, 1176 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 126/130 constraints, Generalized P Invariants (flows): 6/7 constraints, State Equation: 0/771 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1176 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61334ms problems are : Problem set: 0 solved, 1176 unsolved
Search for dead transitions found 0 dead transitions in 61337ms
Starting structural reductions in LI_LTL mode, iteration 1 : 771/909 places, 1182/1315 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 111538 ms. Remains : 771/909 places, 1182/1315 transitions.
Running random walk in product with property : PolyORBNT-COL-S05J60-LTLFireability-07
Entered a terminal (fully accepting) state of product in 14191 steps with 2398 reset in 93 ms.
Treatment of property PolyORBNT-COL-S05J60-LTLFireability-07 finished in 111949 ms.
FORMULA PolyORBNT-COL-S05J60-LTLFireability-07 FALSE TECHNIQUES LENGTHENING_INSENSITIVE
[2025-06-04 16:31:10] [INFO ] Flatten gal took : 48 ms
All properties solved without resorting to exhaustive model-checking.
Total runtime 2285032 ms.

BK_STOP 1749054670950

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="PolyORBNT-COL-S05J60"
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 2-5832"
echo " Executing tool itstools"
echo " Input is PolyORBNT-COL-S05J60, 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 r156-tall-174881254300580"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-COL-S05J60.tgz
mv PolyORBNT-COL-S05J60 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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;