About the Execution of ITS-Tools for Peterson-COL-4
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 141691.00 | 0.00 | 0.00 | FFFFFFFFFFTFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812800564.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 Peterson-COL-4, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812800564
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 44K 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 Peterson-COL-4-LTLFireability-00
FORMULA_NAME Peterson-COL-4-LTLFireability-01
FORMULA_NAME Peterson-COL-4-LTLFireability-02
FORMULA_NAME Peterson-COL-4-LTLFireability-03
FORMULA_NAME Peterson-COL-4-LTLFireability-04
FORMULA_NAME Peterson-COL-4-LTLFireability-05
FORMULA_NAME Peterson-COL-4-LTLFireability-06
FORMULA_NAME Peterson-COL-4-LTLFireability-07
FORMULA_NAME Peterson-COL-4-LTLFireability-08
FORMULA_NAME Peterson-COL-4-LTLFireability-09
FORMULA_NAME Peterson-COL-4-LTLFireability-10
FORMULA_NAME Peterson-COL-4-LTLFireability-11
FORMULA_NAME Peterson-COL-4-LTLFireability-12
FORMULA_NAME Peterson-COL-4-LTLFireability-13
FORMULA_NAME Peterson-COL-4-LTLFireability-14
FORMULA_NAME Peterson-COL-4-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748924333775
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-03 04:18:54] [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]
[2025-06-03 04:18:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 04:18:55] [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.
[2025-06-03 04:18:55] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 04:18:55] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 511 ms
[2025-06-03 04:18:55] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 500 PT places and 795.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2025-06-03 04:18:55] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 5 ms.
[2025-06-03 04:18:55] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Peterson-COL-4-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-4-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 6057 steps (0 resets) in 94 ms. (63 steps per ms) remains 0/9 properties
[2025-06-03 04:18:55] [INFO ] Flatten gal took : 13 ms
[2025-06-03 04:18:55] [INFO ] Flatten gal took : 2 ms
Domain [Process(5), Tour(4), Process(5)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 4)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-03 04:18:55] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 31 ms.
[2025-06-03 04:18:55] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Deduced a syphon composed of 20 places in 4 ms
Reduce places removed 20 places and 40 transitions.
Support contains 480 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 15 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:18:56] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-03 04:18:56] [INFO ] Computed 19 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:18:56] [INFO ] Implicit Places using invariants in 242 ms returned []
[2025-06-03 04:18:56] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:18:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:18:56] [INFO ] State equation strengthened by 116 read => feed constraints.
[2025-06-03 04:18:56] [INFO ] Implicit Places using invariants and state equation in 293 ms returned []
Implicit Place search using SMT with State Equation took 564 ms to find 0 implicit places.
Running 685 sub problems to find dead transitions.
[2025-06-03 04:18:56] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:18:56] [INFO ] Invariant cache hit.
[2025-06-03 04:18:56] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:02] [INFO ] Deduced a trap composed of 13 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:02] [INFO ] Deduced a trap composed of 17 places in 166 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:02] [INFO ] Deduced a trap composed of 21 places in 149 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:02] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 17 places in 167 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 40 places in 161 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 62 places in 149 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 66 places in 110 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 21 places in 152 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:03] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 21 places in 144 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 10 places in 136 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:04] [INFO ] Deduced a trap composed of 10 places in 145 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:05] [INFO ] Deduced a trap composed of 32 places in 105 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:05] [INFO ] Deduced a trap composed of 32 places in 104 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:05] [INFO ] Deduced a trap composed of 32 places in 110 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:05] [INFO ] Deduced a trap composed of 30 places in 131 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:06] [INFO ] Deduced a trap composed of 43 places in 171 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:06] [INFO ] Deduced a trap composed of 69 places in 132 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:06] [INFO ] Deduced a trap composed of 43 places in 147 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:06] [INFO ] Deduced a trap composed of 43 places in 128 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:07] [INFO ] Deduced a trap composed of 10 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:07] [INFO ] Deduced a trap composed of 32 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 42 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 54 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 42 places in 120 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 42 places in 118 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 42 places in 127 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 45 places in 122 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:08] [INFO ] Deduced a trap composed of 50 places in 123 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 50 places in 130 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 50 places in 115 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 57 places in 122 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 54 places in 122 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 65 places in 129 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:09] [INFO ] Deduced a trap composed of 54 places in 127 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:10] [INFO ] Deduced a trap composed of 54 places in 113 ms of which 17 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/54 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:16] [INFO ] Deduced a trap composed of 40 places in 157 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:16] [INFO ] Deduced a trap composed of 69 places in 142 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:16] [INFO ] Deduced a trap composed of 47 places in 149 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:17] [INFO ] Deduced a trap composed of 65 places in 156 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:17] [INFO ] Deduced a trap composed of 66 places in 163 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:17] [INFO ] Deduced a trap composed of 47 places in 140 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:18] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:18] [INFO ] Deduced a trap composed of 39 places in 122 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:19] [INFO ] Deduced a trap composed of 44 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:19] [INFO ] Deduced a trap composed of 69 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:19] [INFO ] Deduced a trap composed of 69 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:19] [INFO ] Deduced a trap composed of 35 places in 112 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:20] [INFO ] Deduced a trap composed of 57 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:20] [INFO ] Deduced a trap composed of 79 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:20] [INFO ] Deduced a trap composed of 83 places in 157 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:20] [INFO ] Deduced a trap composed of 87 places in 103 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:21] [INFO ] Deduced a trap composed of 76 places in 110 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:21] [INFO ] Deduced a trap composed of 61 places in 129 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:21] [INFO ] Deduced a trap composed of 83 places in 108 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:21] [INFO ] Deduced a trap composed of 87 places in 116 ms of which 25 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:24] [INFO ] Deduced a trap composed of 36 places in 146 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:24] [INFO ] Deduced a trap composed of 58 places in 118 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:24] [INFO ] Deduced a trap composed of 43 places in 126 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:24] [INFO ] Deduced a trap composed of 36 places in 107 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:25] [INFO ] Deduced a trap composed of 47 places in 119 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:26] [INFO ] Deduced a trap composed of 76 places in 116 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:26] [INFO ] Deduced a trap composed of 36 places in 149 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:26] [INFO ] Deduced a trap composed of 58 places in 136 ms of which 31 ms to minimize.
SMT process timed out in 30183ms, After SMT, problems are : Problem set: 0 solved, 685 unsolved
Search for dead transitions found 0 dead transitions in 30200ms
Finished structural reductions in LTL mode , in 1 iterations and 30803 ms. Remains : 480/480 places, 690/690 transitions.
Support contains 480 out of 480 places after structural reductions.
[2025-06-03 04:19:26] [INFO ] Flatten gal took : 56 ms
[2025-06-03 04:19:27] [INFO ] Flatten gal took : 57 ms
[2025-06-03 04:19:27] [INFO ] Input system was already deterministic with 690 transitions.
Reduction of identical properties reduced properties to check from 16 to 14
RANDOM walk for 40000 steps (8 resets) in 1353 ms. (29 steps per ms) remains 2/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 550 ms. (72 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 2/2 properties
[2025-06-03 04:19:27] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:19:27] [INFO ] Invariant cache hit.
[2025-06-03 04:19:27] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 415/460 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/460 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 630/1090 variables, 460/475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1090 variables, 116/591 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1090 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 20/1110 variables, 20/611 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1110 variables, 4/615 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1110 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1110 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1110/1110 variables, and 615 constraints, problems are : Problem set: 0 solved, 2 unsolved in 708 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 415/460 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/460 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 630/1090 variables, 460/475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1090 variables, 116/591 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1090 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1090 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 20/1110 variables, 20/612 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1110 variables, 4/616 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1110 variables, 1/617 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:29] [INFO ] Deduced a trap composed of 21 places in 141 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:29] [INFO ] Deduced a trap composed of 10 places in 135 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:29] [INFO ] Deduced a trap composed of 10 places in 132 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:30] [INFO ] Deduced a trap composed of 43 places in 157 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:30] [INFO ] Deduced a trap composed of 32 places in 137 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:30] [INFO ] Deduced a trap composed of 32 places in 158 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:30] [INFO ] Deduced a trap composed of 10 places in 140 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:30] [INFO ] Deduced a trap composed of 32 places in 149 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 76 places in 123 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 76 places in 133 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 81 places in 120 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 54 places in 127 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 54 places in 121 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:31] [INFO ] Deduced a trap composed of 31 places in 142 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:32] [INFO ] Deduced a trap composed of 32 places in 146 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:32] [INFO ] Deduced a trap composed of 54 places in 113 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:32] [INFO ] Deduced a trap composed of 54 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:32] [INFO ] Deduced a trap composed of 10 places in 123 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:33] [INFO ] Deduced a trap composed of 108 places in 112 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:33] [INFO ] Deduced a trap composed of 76 places in 111 ms of which 23 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1110 variables, 20/637 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:33] [INFO ] Deduced a trap composed of 76 places in 107 ms of which 20 ms to minimize.
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 1110/1110 variables, and 638 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5732ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 45 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 480 transition count 498
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 1 with 192 rules applied. Total rules applied 384 place count 288 transition count 498
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 384 place count 288 transition count 414
Deduced a syphon composed of 84 places in 1 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 552 place count 204 transition count 414
Applied a total of 552 rules in 46 ms. Remains 204 /480 variables (removed 276) and now considering 414/690 (removed 276) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 204/480 places, 414/690 transitions.
RANDOM walk for 40000 steps (8 resets) in 187 ms. (212 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 10233 steps, run visited all 2 properties in 56 ms. (steps per millisecond=182 )
Probabilistic random walk after 10233 steps, saw 2852 distinct states, run finished after 59 ms. (steps per millisecond=173 ) properties seen :2
FORMULA Peterson-COL-4-LTLFireability-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!(X((p0&&F(G(p1)))))'
Support contains 125 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 23 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:19:34] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:19:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:19:34] [INFO ] Implicit Places using invariants in 243 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 247 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 278 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 227 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 523 ms.
Stack based approach found an accepted trace after 676 steps with 0 reset with depth 677 and stack size 676 in 4 ms.
FORMULA Peterson-COL-4-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-00 finished in 1109 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 180 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
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 480 transition count 686
Reduce places removed 4 places and 0 transitions.
Performed 84 Post agglomeration using F-continuation condition.Transition count delta: 84
Iterating post reduction 1 with 88 rules applied. Total rules applied 92 place count 476 transition count 602
Reduce places removed 84 places and 0 transitions.
Iterating post reduction 2 with 84 rules applied. Total rules applied 176 place count 392 transition count 602
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 176 place count 392 transition count 582
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 216 place count 372 transition count 582
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 248 place count 356 transition count 566
Applied a total of 248 rules in 59 ms. Remains 356 /480 variables (removed 124) and now considering 566/690 (removed 124) transitions.
[2025-06-03 04:19:35] [INFO ] Flow matrix only has 506 transitions (discarded 60 similar events)
// Phase 1: matrix 506 rows 356 cols
[2025-06-03 04:19:35] [INFO ] Computed 19 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:19:35] [INFO ] Implicit Places using invariants in 185 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 187 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 351/480 places, 566/690 transitions.
Applied a total of 0 rules in 22 ms. Remains 351 /351 variables (removed 0) and now considering 566/566 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 268 ms. Remains : 351/480 places, 566/690 transitions.
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 424 ms.
Stack based approach found an accepted trace after 49 steps with 0 reset with depth 50 and stack size 50 in 0 ms.
FORMULA Peterson-COL-4-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-01 finished in 814 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((p0||G(p1)))&&X(X(X(X(F(p2)))))))'
Support contains 110 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 12 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:19:36] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-03 04:19:36] [INFO ] Computed 19 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:19:36] [INFO ] Implicit Places using invariants in 166 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 167 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 9 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 188 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 237 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-02
Entered a terminal (fully accepting) state of product in 390 steps with 3 reset in 6 ms.
FORMULA Peterson-COL-4-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-4-LTLFireability-02 finished in 459 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) U (X(G(!p0))||(X(!p0)&&(!p1||G(p2))))) U (G((X(!p0) U (X(G(!p0))||(X(!p0)&&(!p1||G(p2))))))||(!p3&&(X(!p0) U (X(G(!p0))||(X(!p0)&&(!p1||G(p2)))))))))'
Support contains 215 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 3 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:19:36] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:19:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:19:36] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-03 04:19:36] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:19:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:19:37] [INFO ] State equation strengthened by 116 read => feed constraints.
[2025-06-03 04:19:37] [INFO ] Implicit Places using invariants and state equation in 299 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
Running 685 sub problems to find dead transitions.
[2025-06-03 04:19:37] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:19:37] [INFO ] Invariant cache hit.
[2025-06-03 04:19:37] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:42] [INFO ] Deduced a trap composed of 13 places in 191 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:42] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 21 places in 143 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 40 places in 154 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 62 places in 139 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:43] [INFO ] Deduced a trap composed of 66 places in 105 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 21 places in 141 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 21 places in 128 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 10 places in 128 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:44] [INFO ] Deduced a trap composed of 10 places in 118 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:45] [INFO ] Deduced a trap composed of 10 places in 150 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:45] [INFO ] Deduced a trap composed of 32 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:45] [INFO ] Deduced a trap composed of 32 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:45] [INFO ] Deduced a trap composed of 32 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:45] [INFO ] Deduced a trap composed of 30 places in 111 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:46] [INFO ] Deduced a trap composed of 43 places in 156 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:46] [INFO ] Deduced a trap composed of 69 places in 149 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:46] [INFO ] Deduced a trap composed of 43 places in 135 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:46] [INFO ] Deduced a trap composed of 43 places in 138 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:47] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:47] [INFO ] Deduced a trap composed of 32 places in 121 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 42 places in 115 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 54 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 42 places in 116 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 42 places in 127 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 42 places in 125 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 45 places in 119 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:48] [INFO ] Deduced a trap composed of 50 places in 133 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 50 places in 125 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 50 places in 117 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 57 places in 122 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 54 places in 124 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 65 places in 124 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 54 places in 135 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:49] [INFO ] Deduced a trap composed of 54 places in 100 ms of which 16 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/54 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:56] [INFO ] Deduced a trap composed of 40 places in 158 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:56] [INFO ] Deduced a trap composed of 69 places in 141 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:57] [INFO ] Deduced a trap composed of 47 places in 151 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:57] [INFO ] Deduced a trap composed of 65 places in 154 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:57] [INFO ] Deduced a trap composed of 66 places in 148 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:57] [INFO ] Deduced a trap composed of 47 places in 151 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:58] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:58] [INFO ] Deduced a trap composed of 39 places in 114 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:59] [INFO ] Deduced a trap composed of 44 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:59] [INFO ] Deduced a trap composed of 69 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:59] [INFO ] Deduced a trap composed of 69 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:19:59] [INFO ] Deduced a trap composed of 35 places in 119 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:00] [INFO ] Deduced a trap composed of 57 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:00] [INFO ] Deduced a trap composed of 79 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:00] [INFO ] Deduced a trap composed of 83 places in 154 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:00] [INFO ] Deduced a trap composed of 87 places in 103 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:00] [INFO ] Deduced a trap composed of 76 places in 112 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:01] [INFO ] Deduced a trap composed of 61 places in 128 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:01] [INFO ] Deduced a trap composed of 83 places in 107 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:01] [INFO ] Deduced a trap composed of 87 places in 112 ms of which 25 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:04] [INFO ] Deduced a trap composed of 36 places in 156 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:04] [INFO ] Deduced a trap composed of 58 places in 117 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:04] [INFO ] Deduced a trap composed of 43 places in 136 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:04] [INFO ] Deduced a trap composed of 36 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:04] [INFO ] Deduced a trap composed of 47 places in 127 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 76 places in 120 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 36 places in 151 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 58 places in 135 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 80 places in 105 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 70 places in 150 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:06] [INFO ] Deduced a trap composed of 87 places in 104 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:07] [INFO ] Deduced a trap composed of 57 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:07] [INFO ] Deduced a trap composed of 80 places in 78 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:07] [INFO ] Deduced a trap composed of 84 places in 112 ms of which 27 ms to minimize.
SMT process timed out in 30201ms, After SMT, problems are : Problem set: 0 solved, 685 unsolved
Search for dead transitions found 0 dead transitions in 30210ms
Finished structural reductions in LTL mode , in 1 iterations and 30606 ms. Remains : 480/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 284 ms :[p0, p0, p0, (AND p0 (NOT p2)), true, (AND (NOT p2) p0), (NOT p2)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-04
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 1 ms.
FORMULA Peterson-COL-4-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-4-LTLFireability-04 finished in 30917 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))'
Support contains 10 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 200 transitions
Trivial Post-agglo rules discarded 200 transitions
Performed 200 trivial Post agglomeration. Transition count delta: 200
Iterating post reduction 0 with 200 rules applied. Total rules applied 200 place count 480 transition count 490
Reduce places removed 200 places and 0 transitions.
Iterating post reduction 1 with 200 rules applied. Total rules applied 400 place count 280 transition count 490
Performed 95 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 95 Pre rules applied. Total rules applied 400 place count 280 transition count 395
Deduced a syphon composed of 95 places in 0 ms
Reduce places removed 95 places and 0 transitions.
Iterating global reduction 2 with 190 rules applied. Total rules applied 590 place count 185 transition count 395
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 630 place count 165 transition count 375
Applied a total of 630 rules in 28 ms. Remains 165 /480 variables (removed 315) and now considering 375/690 (removed 315) transitions.
[2025-06-03 04:20:07] [INFO ] Flow matrix only has 315 transitions (discarded 60 similar events)
// Phase 1: matrix 315 rows 165 cols
[2025-06-03 04:20:07] [INFO ] Computed 19 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:07] [INFO ] Implicit Places using invariants in 114 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 115 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 160/480 places, 375/690 transitions.
Applied a total of 0 rules in 5 ms. Remains 160 /160 variables (removed 0) and now considering 375/375 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 148 ms. Remains : 160/480 places, 375/690 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-05
Product exploration explored 100000 steps with 1312 reset in 209 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 1 ms.
FORMULA Peterson-COL-4-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-05 finished in 408 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 85 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 480 transition count 570
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 360 transition count 570
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 100 Pre rules applied. Total rules applied 240 place count 360 transition count 470
Deduced a syphon composed of 100 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 2 with 200 rules applied. Total rules applied 440 place count 260 transition count 470
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 480 place count 240 transition count 450
Applied a total of 480 rules in 28 ms. Remains 240 /480 variables (removed 240) and now considering 450/690 (removed 240) transitions.
[2025-06-03 04:20:08] [INFO ] Flow matrix only has 390 transitions (discarded 60 similar events)
// Phase 1: matrix 390 rows 240 cols
[2025-06-03 04:20:08] [INFO ] Computed 19 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:08] [INFO ] Implicit Places using invariants in 99 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 100 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 235/480 places, 450/690 transitions.
Applied a total of 0 rules in 6 ms. Remains 235 /235 variables (removed 0) and now considering 450/450 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 235/480 places, 450/690 transitions.
Stuttering acceptance computed with spot in 25 ms :[p0]
Running random walk in product with property : Peterson-COL-4-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 747 ms.
Stack based approach found an accepted trace after 75 steps with 0 reset with depth 76 and stack size 75 in 1 ms.
FORMULA Peterson-COL-4-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-06 finished in 933 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((X((F(!p1)&&X(X(!p2)))) U (p3&&X((F(!p1)&&X(X(!p2)))))))||p0)))'
Support contains 120 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 9 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:20:09] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-03 04:20:09] [INFO ] Computed 19 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:09] [INFO ] Implicit Places using invariants in 179 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 180 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 4 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 194 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 353 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2) (AND (NOT p0) p1)), (OR (NOT p3) p2 p1), (OR p2 p1), p1, p2, p2, true]
Running random walk in product with property : Peterson-COL-4-LTLFireability-07
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-4-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-4-LTLFireability-07 finished in 578 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)))'
Support contains 80 out of 480 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 88 transitions
Trivial Post-agglo rules discarded 88 transitions
Performed 88 trivial Post agglomeration. Transition count delta: 88
Iterating post reduction 0 with 88 rules applied. Total rules applied 88 place count 480 transition count 602
Reduce places removed 88 places and 0 transitions.
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Iterating post reduction 1 with 168 rules applied. Total rules applied 256 place count 392 transition count 522
Reduce places removed 80 places and 0 transitions.
Iterating post reduction 2 with 80 rules applied. Total rules applied 336 place count 312 transition count 522
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 40 Pre rules applied. Total rules applied 336 place count 312 transition count 482
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 3 with 80 rules applied. Total rules applied 416 place count 272 transition count 482
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 448 place count 256 transition count 466
Applied a total of 448 rules in 24 ms. Remains 256 /480 variables (removed 224) and now considering 466/690 (removed 224) transitions.
[2025-06-03 04:20:09] [INFO ] Flow matrix only has 406 transitions (discarded 60 similar events)
// Phase 1: matrix 406 rows 256 cols
[2025-06-03 04:20:09] [INFO ] Computed 19 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:09] [INFO ] Implicit Places using invariants in 145 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 146 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 251/480 places, 466/690 transitions.
Applied a total of 0 rules in 16 ms. Remains 251 /251 variables (removed 0) and now considering 466/466 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 186 ms. Remains : 251/480 places, 466/690 transitions.
Stuttering acceptance computed with spot in 63 ms :[p0, p0]
Running random walk in product with property : Peterson-COL-4-LTLFireability-08
Product exploration explored 100000 steps with 2905 reset in 333 ms.
Stack based approach found an accepted trace after 341 steps with 8 reset with depth 50 and stack size 48 in 2 ms.
FORMULA Peterson-COL-4-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-08 finished in 595 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(X(F((X(F(!p1))&&p0))))))'
Support contains 10 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 5 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:20:10] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-03 04:20:10] [INFO ] Computed 19 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:10] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-06-03 04:20:10] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:20:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:20:10] [INFO ] State equation strengthened by 116 read => feed constraints.
[2025-06-03 04:20:11] [INFO ] Implicit Places using invariants and state equation in 1024 ms returned []
Implicit Place search using SMT with State Equation took 1256 ms to find 0 implicit places.
Running 685 sub problems to find dead transitions.
[2025-06-03 04:20:11] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:20:11] [INFO ] Invariant cache hit.
[2025-06-03 04:20:11] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:16] [INFO ] Deduced a trap composed of 13 places in 170 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 17 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 21 places in 154 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 17 places in 169 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 40 places in 150 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 62 places in 155 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:17] [INFO ] Deduced a trap composed of 66 places in 106 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 21 places in 152 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 21 places in 138 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 10 places in 126 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:18] [INFO ] Deduced a trap composed of 10 places in 137 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:19] [INFO ] Deduced a trap composed of 10 places in 145 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:19] [INFO ] Deduced a trap composed of 32 places in 110 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:19] [INFO ] Deduced a trap composed of 32 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:19] [INFO ] Deduced a trap composed of 32 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:19] [INFO ] Deduced a trap composed of 30 places in 127 ms of which 19 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:20] [INFO ] Deduced a trap composed of 43 places in 153 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:20] [INFO ] Deduced a trap composed of 69 places in 147 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:20] [INFO ] Deduced a trap composed of 43 places in 135 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:20] [INFO ] Deduced a trap composed of 43 places in 142 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:21] [INFO ] Deduced a trap composed of 10 places in 139 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:21] [INFO ] Deduced a trap composed of 32 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 42 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 54 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 42 places in 115 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 42 places in 126 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 42 places in 115 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 45 places in 114 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:22] [INFO ] Deduced a trap composed of 50 places in 118 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 50 places in 118 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 50 places in 111 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 57 places in 115 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 54 places in 119 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 65 places in 128 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 54 places in 136 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:23] [INFO ] Deduced a trap composed of 54 places in 112 ms of which 16 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/54 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:30] [INFO ] Deduced a trap composed of 40 places in 160 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:30] [INFO ] Deduced a trap composed of 69 places in 133 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:30] [INFO ] Deduced a trap composed of 47 places in 143 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:30] [INFO ] Deduced a trap composed of 65 places in 147 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:31] [INFO ] Deduced a trap composed of 66 places in 150 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:31] [INFO ] Deduced a trap composed of 47 places in 142 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:32] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:32] [INFO ] Deduced a trap composed of 39 places in 107 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:32] [INFO ] Deduced a trap composed of 44 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:32] [INFO ] Deduced a trap composed of 69 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:33] [INFO ] Deduced a trap composed of 69 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:33] [INFO ] Deduced a trap composed of 35 places in 113 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:33] [INFO ] Deduced a trap composed of 57 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 79 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 83 places in 155 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 87 places in 99 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 76 places in 107 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 61 places in 132 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 83 places in 115 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:34] [INFO ] Deduced a trap composed of 87 places in 104 ms of which 25 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:37] [INFO ] Deduced a trap composed of 36 places in 139 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:37] [INFO ] Deduced a trap composed of 58 places in 115 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:37] [INFO ] Deduced a trap composed of 43 places in 116 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:38] [INFO ] Deduced a trap composed of 36 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:38] [INFO ] Deduced a trap composed of 47 places in 113 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:39] [INFO ] Deduced a trap composed of 76 places in 121 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:39] [INFO ] Deduced a trap composed of 36 places in 144 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:39] [INFO ] Deduced a trap composed of 58 places in 128 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:39] [INFO ] Deduced a trap composed of 80 places in 100 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 70 places in 147 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 87 places in 96 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 57 places in 102 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 80 places in 75 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 84 places in 110 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 91 places in 108 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:40] [INFO ] Deduced a trap composed of 76 places in 108 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:41] [INFO ] Deduced a trap composed of 80 places in 113 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:41] [INFO ] Deduced a trap composed of 84 places in 103 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:41] [INFO ] Deduced a trap composed of 65 places in 124 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:41] [INFO ] Deduced a trap composed of 88 places in 83 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/475 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1110 variables, and 94 constraints, problems are : Problem set: 0 solved, 685 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 9/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 685/685 constraints, Known Traps: 80/80 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 80/94 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:45] [INFO ] Deduced a trap composed of 58 places in 118 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:46] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:46] [INFO ] Deduced a trap composed of 66 places in 120 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:47] [INFO ] Deduced a trap composed of 39 places in 127 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:47] [INFO ] Deduced a trap composed of 91 places in 103 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:48] [INFO ] Deduced a trap composed of 91 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:48] [INFO ] Deduced a trap composed of 91 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:48] [INFO ] Deduced a trap composed of 76 places in 108 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:49] [INFO ] Deduced a trap composed of 47 places in 109 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:49] [INFO ] Deduced a trap composed of 54 places in 124 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:49] [INFO ] Deduced a trap composed of 31 places in 146 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:49] [INFO ] Deduced a trap composed of 39 places in 126 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:49] [INFO ] Deduced a trap composed of 47 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:50] [INFO ] Deduced a trap composed of 42 places in 137 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:50] [INFO ] Deduced a trap composed of 27 places in 119 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:50] [INFO ] Deduced a trap composed of 35 places in 143 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:50] [INFO ] Deduced a trap composed of 50 places in 141 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:50] [INFO ] Deduced a trap composed of 50 places in 136 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:51] [INFO ] Deduced a trap composed of 57 places in 113 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:51] [INFO ] Deduced a trap composed of 57 places in 108 ms of which 21 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:56] [INFO ] Deduced a trap composed of 85 places in 130 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:56] [INFO ] Deduced a trap composed of 62 places in 105 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:56] [INFO ] Deduced a trap composed of 101 places in 144 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:58] [INFO ] Deduced a trap composed of 70 places in 121 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:58] [INFO ] Deduced a trap composed of 65 places in 109 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:59] [INFO ] Deduced a trap composed of 35 places in 148 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:59] [INFO ] Deduced a trap composed of 51 places in 147 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:59] [INFO ] Deduced a trap composed of 54 places in 141 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:59] [INFO ] Deduced a trap composed of 51 places in 145 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:20:59] [INFO ] Deduced a trap composed of 50 places in 138 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 81 places in 143 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 116 places in 112 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 112 places in 111 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 112 places in 109 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 113 places in 108 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 113 places in 104 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:00] [INFO ] Deduced a trap composed of 82 places in 106 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:01] [INFO ] Deduced a trap composed of 43 places in 133 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:01] [INFO ] Deduced a trap composed of 70 places in 129 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:01] [INFO ] Deduced a trap composed of 14 places in 134 ms of which 13 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:07] [INFO ] Deduced a trap composed of 46 places in 120 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:07] [INFO ] Deduced a trap composed of 58 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:10] [INFO ] Deduced a trap composed of 31 places in 136 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:10] [INFO ] Deduced a trap composed of 27 places in 133 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:10] [INFO ] Deduced a trap composed of 27 places in 134 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:11] [INFO ] Deduced a trap composed of 57 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:11] [INFO ] Deduced a trap composed of 60 places in 96 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 04:21:11] [INFO ] Deduced a trap composed of 101 places in 134 ms of which 31 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 475/1110 variables, and 142 constraints, problems are : Problem set: 0 solved, 685 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 0/685 constraints, Known Traps: 128/128 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60111ms problems are : Problem set: 0 solved, 685 unsolved
Search for dead transitions found 0 dead transitions in 60115ms
Finished structural reductions in LTL mode , in 1 iterations and 61380 ms. Remains : 480/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 182 ms :[p1, (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-09
Product exploration explored 100000 steps with 7455 reset in 211 ms.
Stack based approach found an accepted trace after 13165 steps with 997 reset with depth 23 and stack size 23 in 29 ms.
FORMULA Peterson-COL-4-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-09 finished in 61822 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(F(!p1)))))'
Support contains 165 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 6 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:21:11] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:21:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:21:12] [INFO ] Implicit Places using invariants in 171 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 172 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 3 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 183 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 128 ms :[p1, (AND p1 p0), (AND p1 p0), (AND p1 p0)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-10
Product exploration explored 100000 steps with 33333 reset in 508 ms.
Product exploration explored 100000 steps with 33333 reset in 518 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 p1) p0), (X p0), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 21 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Peterson-COL-4-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-4-LTLFireability-10 finished in 1391 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 G(p1)) U (F(p2)&&X(!p3))))'
Support contains 125 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:21:13] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:21:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:21:13] [INFO ] Implicit Places using invariants in 212 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 213 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 3 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 225 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 270 ms :[(OR (NOT p2) p3), (NOT p2), (AND p1 p0 p3), p3, p0, (AND p0 p1), (NOT p1)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 183 ms.
Stack based approach found an accepted trace after 177 steps with 1 reset with depth 176 and stack size 176 in 1 ms.
FORMULA Peterson-COL-4-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-12 finished in 707 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(X((p0&&F(G(!p1))))) U (G(!p1)||F(G(p0))))))'
Support contains 25 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:21:14] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:21:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:21:14] [INFO ] Implicit Places using invariants in 231 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 233 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 5 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 245 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 286 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), (NOT p0), (NOT p0), false, (AND p1 (NOT p0))]
Running random walk in product with property : Peterson-COL-4-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 164 ms.
Stack based approach found an accepted trace after 91 steps with 0 reset with depth 92 and stack size 92 in 0 ms.
FORMULA Peterson-COL-4-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-14 finished in 724 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)||X(p1))) U p2))'
Support contains 70 out of 480 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 480/480 places, 690/690 transitions.
Applied a total of 0 rules in 7 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-03 04:21:14] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-03 04:21:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:21:14] [INFO ] Implicit Places using invariants in 163 ms returned [0, 1, 2, 3, 4]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 164 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 475/480 places, 690/690 transitions.
Applied a total of 0 rules in 5 ms. Remains 475 /475 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 176 ms. Remains : 475/480 places, 690/690 transitions.
Stuttering acceptance computed with spot in 153 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : Peterson-COL-4-LTLFireability-15
Product exploration explored 100000 steps with 3136 reset in 274 ms.
Stack based approach found an accepted trace after 768 steps with 18 reset with depth 108 and stack size 108 in 2 ms.
FORMULA Peterson-COL-4-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-4-LTLFireability-15 finished in 629 ms.
All properties solved by simple procedures.
Total runtime 140443 ms.
BK_STOP 1748924475466
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ 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="Peterson-COL-4"
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 Peterson-COL-4, 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 r142-tall-174876812800564"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-4.tgz
mv Peterson-COL-4 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;