Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812800556.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-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812800556
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K 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 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 114K 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 43K 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-3-LTLFireability-00
FORMULA_NAME Peterson-COL-3-LTLFireability-01
FORMULA_NAME Peterson-COL-3-LTLFireability-02
FORMULA_NAME Peterson-COL-3-LTLFireability-03
FORMULA_NAME Peterson-COL-3-LTLFireability-04
FORMULA_NAME Peterson-COL-3-LTLFireability-05
FORMULA_NAME Peterson-COL-3-LTLFireability-06
FORMULA_NAME Peterson-COL-3-LTLFireability-07
FORMULA_NAME Peterson-COL-3-LTLFireability-08
FORMULA_NAME Peterson-COL-3-LTLFireability-09
FORMULA_NAME Peterson-COL-3-LTLFireability-10
FORMULA_NAME Peterson-COL-3-LTLFireability-11
FORMULA_NAME Peterson-COL-3-LTLFireability-12
FORMULA_NAME Peterson-COL-3-LTLFireability-13
FORMULA_NAME Peterson-COL-3-LTLFireability-14
FORMULA_NAME Peterson-COL-3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748923000546

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-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-03 03:56:41] [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 03:56:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 03:56:41] [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 03:56:42] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 03:56:42] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 549 ms
[2025-06-03 03:56:42] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 256 PT places and 396.0 transition bindings in 19 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 03:56:42] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 6 ms.
[2025-06-03 03:56:42] [INFO ] Skeletonized 13 HLPN properties in 1 ms. Removed 3 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA Peterson-COL-3-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-3-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 9 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 3532 steps (0 resets) in 74 ms. (47 steps per ms) remains 0/11 properties
[2025-06-03 03:56:42] [INFO ] Flatten gal took : 14 ms
[2025-06-03 03:56:42] [INFO ] Flatten gal took : 2 ms
Domain [Process(4), Tour(3), Process(4)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 3)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$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 03:56:42] [INFO ] Unfolded HLPN to a Petri net with 256 places and 356 transitions 1112 arcs in 27 ms.
[2025-06-03 03:56:42] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 24 transitions.
FORMULA Peterson-COL-3-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 232 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 16 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:56:42] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
// Phase 1: matrix 308 rows 244 cols
[2025-06-03 03:56:42] [INFO ] Computed 15 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:56:43] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-06-03 03:56:43] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:56:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:56:43] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-03 03:56:43] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 490 ms to find 0 implicit places.
Running 328 sub problems to find dead transitions.
[2025-06-03 03:56:43] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:56:43] [INFO ] Invariant cache hit.
[2025-06-03 03:56:43] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 12 places in 122 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 38 places in 82 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 20 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:45] [INFO ] Deduced a trap composed of 20 places in 101 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 9 places in 315 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 9 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 03:56:46] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 27 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 03:56:46] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 29 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 31 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 34 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 30 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:46] [INFO ] Deduced a trap composed of 31 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 20/31 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 34 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 41 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:47] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 50 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 53 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 45 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 03:56:48] [INFO ] Deduced a trap composed of 45 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 45 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 49 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 41 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 49 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 48 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 52 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 49 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:48] [INFO ] Deduced a trap composed of 52 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:49] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:49] [INFO ] Deduced a trap composed of 56 places in 73 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:49] [INFO ] Deduced a trap composed of 56 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 03:56:49] [INFO ] Deduced a trap composed of 37 places in 78 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:51] [INFO ] Deduced a trap composed of 49 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 61 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 30 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 53 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 26 places in 88 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 64 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:52] [INFO ] Deduced a trap composed of 45 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 26 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 41 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 26 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 44 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 60 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:53] [INFO ] Deduced a trap composed of 61 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:54] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:54] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:54] [INFO ] Deduced a trap composed of 34 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:54] [INFO ] Deduced a trap composed of 57 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:54] [INFO ] Deduced a trap composed of 80 places in 72 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:56] [INFO ] Deduced a trap composed of 81 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:56] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:56] [INFO ] Deduced a trap composed of 68 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:56] [INFO ] Deduced a trap composed of 56 places in 70 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:56] [INFO ] Deduced a trap composed of 49 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:57] [INFO ] Deduced a trap composed of 30 places in 86 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:57] [INFO ] Deduced a trap composed of 57 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:58] [INFO ] Deduced a trap composed of 80 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:58] [INFO ] Deduced a trap composed of 84 places in 66 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:56:59] [INFO ] Deduced a trap composed of 42 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:00] [INFO ] Deduced a trap composed of 69 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:00] [INFO ] Deduced a trap composed of 37 places in 81 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:05] [INFO ] Deduced a trap composed of 49 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:05] [INFO ] Deduced a trap composed of 49 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:06] [INFO ] Deduced a trap composed of 57 places in 75 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 3/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 9 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 244/552 variables, and 90 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/244 constraints, ReadFeed: 0/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 75/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (OVERLAPS) 308/552 variables, 244/334 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 57/391 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 328/719 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 552/552 variables, and 719 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60128ms problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 60138ms
Finished structural reductions in LTL mode , in 1 iterations and 60655 ms. Remains : 244/244 places, 332/332 transitions.
Support contains 232 out of 244 places after structural reductions.
[2025-06-03 03:57:43] [INFO ] Flatten gal took : 34 ms
[2025-06-03 03:57:43] [INFO ] Flatten gal took : 27 ms
[2025-06-03 03:57:43] [INFO ] Input system was already deterministic with 332 transitions.
Reduction of identical properties reduced properties to check from 25 to 20
RANDOM walk for 40000 steps (8 resets) in 1426 ms. (28 steps per ms) remains 3/20 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 3/3 properties
[2025-06-03 03:57:44] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:57:44] [INFO ] Invariant cache hit.
[2025-06-03 03:57:44] [INFO ] State equation strengthened by 57 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 176/232 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 308/540 variables, 232/244 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 57/301 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 12/552 variables, 12/313 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 316 constraints, problems are : Problem set: 0 solved, 3 unsolved in 399 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 176/232 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 308/540 variables, 232/244 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 57/301 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 12/552 variables, 12/315 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 9 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 9 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 31 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 30 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 31 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:45] [INFO ] Deduced a trap composed of 34 places in 75 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 35 places in 73 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 27 places in 78 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 35 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 13 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 13 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 03:57:46] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 81 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 56 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:46] [INFO ] Deduced a trap composed of 56 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 56 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 45 places in 60 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/552 variables, 20/338 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 49 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 49 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 48 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 64 places in 72 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 56 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:47] [INFO ] Deduced a trap composed of 45 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 30 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 53 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 03:57:48] [INFO ] Deduced a trap composed of 34 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 03:57:48] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 34 places in 76 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 29 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 61 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:48] [INFO ] Deduced a trap composed of 52 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 53 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/552 variables, 20/358 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 44 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 69 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:49] [INFO ] Deduced a trap composed of 76 places in 57 ms of which 7 ms to minimize.
SMT process timed out in 5465ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 82 ms.
Support contains 56 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 54 transitions
Trivial Post-agglo rules discarded 54 transitions
Performed 54 trivial Post agglomeration. Transition count delta: 54
Iterating post reduction 0 with 54 rules applied. Total rules applied 54 place count 244 transition count 278
Reduce places removed 54 places and 0 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 108 place count 190 transition count 278
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 47 Pre rules applied. Total rules applied 108 place count 190 transition count 231
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 2 with 94 rules applied. Total rules applied 202 place count 143 transition count 231
Applied a total of 202 rules in 38 ms. Remains 143 /244 variables (removed 101) and now considering 231/332 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 143/244 places, 231/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 566 ms. (70 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 1708305 steps, run timeout after 3001 ms. (steps per millisecond=569 ) properties seen :2 out of 3
Probabilistic random walk after 1708305 steps, saw 341876 distinct states, run finished after 3004 ms. (steps per millisecond=568 ) properties seen :2
[2025-06-03 03:57:53] [INFO ] Flow matrix only has 207 transitions (discarded 24 similar events)
// Phase 1: matrix 207 rows 143 cols
[2025-06-03 03:57:53] [INFO ] Computed 15 invariants in 3 ms
[2025-06-03 03:57:53] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 111/131 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 207/338 variables, 131/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/338 variables, 57/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/350 variables, 12/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/350 variables, 3/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/350 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/350 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 350/350 variables, and 215 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 143/143 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 111/131 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 207/338 variables, 131/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/338 variables, 57/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 12/350 variables, 12/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/350 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:53] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 23 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 34 places in 46 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 20/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:54] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 9 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 03:57:55] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:55] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 30 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/350 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 26 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 30 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 46 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:56] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 36 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 42 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 26 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:57:57] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 5 ms to minimize.
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Int declared 350/350 variables, and 274 constraints, problems are : Problem set: 1 solved, 0 unsolved in 4354 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 143/143 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4503ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA Peterson-COL-3-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 64 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 244 transition count 272
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 120 place count 184 transition count 272
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 120 place count 184 transition count 224
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 216 place count 136 transition count 224
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 240 place count 124 transition count 212
Applied a total of 240 rules in 28 ms. Remains 124 /244 variables (removed 120) and now considering 212/332 (removed 120) transitions.
[2025-06-03 03:57:58] [INFO ] Flow matrix only has 188 transitions (discarded 24 similar events)
// Phase 1: matrix 188 rows 124 cols
[2025-06-03 03:57:58] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:57:58] [INFO ] Implicit Places using invariants in 47 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 50 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/244 places, 212/332 transitions.
Applied a total of 0 rules in 5 ms. Remains 120 /120 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 83 ms. Remains : 120/244 places, 212/332 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-04
Product exploration explored 100000 steps with 6808 reset in 481 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-04 finished in 824 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 24 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 0 with 96 rules applied. Total rules applied 96 place count 244 transition count 236
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 1 with 96 rules applied. Total rules applied 192 place count 148 transition count 236
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 192 place count 148 transition count 196
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 272 place count 108 transition count 196
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 296 place count 96 transition count 184
Applied a total of 296 rules in 16 ms. Remains 96 /244 variables (removed 148) and now considering 184/332 (removed 148) transitions.
[2025-06-03 03:57:59] [INFO ] Flow matrix only has 160 transitions (discarded 24 similar events)
// Phase 1: matrix 160 rows 96 cols
[2025-06-03 03:57:59] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:57:59] [INFO ] Implicit Places using invariants in 60 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 61 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 92/244 places, 184/332 transitions.
Applied a total of 0 rules in 5 ms. Remains 92 /92 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 82 ms. Remains : 92/244 places, 184/332 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 402 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-05 finished in 534 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 p1)&&X((X(p0)||p2)))))'
Support contains 32 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 10 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:57:59] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
// Phase 1: matrix 308 rows 244 cols
[2025-06-03 03:57:59] [INFO ] Computed 15 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:57:59] [INFO ] Implicit Places using invariants in 210 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 211 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 226 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 171 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (AND (NOT p0) (NOT p2))), true, (NOT p1), (AND (NOT p2) (NOT p0)), (NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-06 finished in 425 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(((!p1 U (p2||G(!p1)))&&p0))))'
Support contains 56 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 244 transition count 329
Reduce places removed 3 places and 0 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Iterating post reduction 1 with 51 rules applied. Total rules applied 54 place count 241 transition count 281
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 102 place count 193 transition count 281
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 102 place count 193 transition count 273
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 118 place count 185 transition count 273
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 136 place count 176 transition count 264
Applied a total of 136 rules in 18 ms. Remains 176 /244 variables (removed 68) and now considering 264/332 (removed 68) transitions.
[2025-06-03 03:58:00] [INFO ] Flow matrix only has 240 transitions (discarded 24 similar events)
// Phase 1: matrix 240 rows 176 cols
[2025-06-03 03:58:00] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:00] [INFO ] Implicit Places using invariants in 89 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 92 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 172/244 places, 264/332 transitions.
Applied a total of 0 rules in 7 ms. Remains 172 /172 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 117 ms. Remains : 172/244 places, 264/332 transitions.
Stuttering acceptance computed with spot in 117 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (AND p1 (NOT p2))), (AND p1 (NOT p2))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-07
Product exploration explored 100000 steps with 496 reset in 354 ms.
Stack based approach found an accepted trace after 57 steps with 1 reset with depth 17 and stack size 17 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-07 finished in 605 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' '!(((p0||G(p1)||F(!p2)) U G(p3)))'
Support contains 36 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 244 transition count 242
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 154 transition count 242
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 180 place count 154 transition count 191
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 282 place count 103 transition count 191
Applied a total of 282 rules in 13 ms. Remains 103 /244 variables (removed 141) and now considering 191/332 (removed 141) transitions.
[2025-06-03 03:58:00] [INFO ] Flow matrix only has 167 transitions (discarded 24 similar events)
// Phase 1: matrix 167 rows 103 cols
[2025-06-03 03:58:00] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:00] [INFO ] Implicit Places using invariants in 60 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 76 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 99/244 places, 191/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 94 ms. Remains : 99/244 places, 191/332 transitions.
Stuttering acceptance computed with spot in 196 ms :[(NOT p3), p2, (OR (AND (NOT p1) p2 p3) (AND p0 (NOT p1) p2)), (OR (AND p0 p2 (NOT p3)) (AND p1 p2 (NOT p3))), (AND p2 (NOT p3) (NOT p1) p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-08
Product exploration explored 100000 steps with 13348 reset in 527 ms.
Stack based approach found an accepted trace after 130 steps with 21 reset with depth 7 and stack size 7 in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-08 finished in 847 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&&G((G(!p2)||X(X(!p3))||p1)))))'
Support contains 104 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:58:01] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
// Phase 1: matrix 308 rows 244 cols
[2025-06-03 03:58:01] [INFO ] Computed 15 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:01] [INFO ] Implicit Places using invariants in 64 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 65 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 355 ms :[(OR (NOT p0) (AND (NOT p1) p2 p3)), (OR (NOT p0) (AND (NOT p1) p2 p3)), true, p3, (AND (NOT p1) p2 p3), (AND p3 p2), p3, (AND p2 p3), p2]
Running random walk in product with property : Peterson-COL-3-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-09 finished in 445 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(!p1)))'
Support contains 88 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 3 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:58:01] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:58:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:02] [INFO ] Implicit Places using invariants in 116 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 119 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 122 ms :[(OR (NOT p0) p1), p1, (NOT p0), true]
Running random walk in product with property : Peterson-COL-3-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 194 ms.
Product exploration explored 100000 steps with 50000 reset in 200 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 p0 (NOT p1)), (X p0), (X (NOT p1)), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 20 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Peterson-COL-3-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-3-LTLFireability-10 finished in 678 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) U ((p1 U G(!p2)) U X(p1))))'
Support contains 76 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:58:02] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:58:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:02] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-03 03:58:02] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:58:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:58:02] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-03 03:58:02] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Running 328 sub problems to find dead transitions.
[2025-06-03 03:58:02] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:58:02] [INFO ] Invariant cache hit.
[2025-06-03 03:58:02] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 12 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:04] [INFO ] Deduced a trap composed of 20 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 20 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 9 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 03:58:05] [INFO ] Deduced a trap composed of 27 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 29 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 31 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 34 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 31 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:05] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:06] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 20/31 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:06] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:06] [INFO ] Deduced a trap composed of 34 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 03:58:06] [INFO ] Deduced a trap composed of 41 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 03:58:06] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:06] [INFO ] Deduced a trap composed of 50 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:06] [INFO ] Deduced a trap composed of 53 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 45 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 45 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 45 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 49 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 41 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 49 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 48 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 52 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 49 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 52 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 56 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 56 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:07] [INFO ] Deduced a trap composed of 56 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:08] [INFO ] Deduced a trap composed of 37 places in 77 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:10] [INFO ] Deduced a trap composed of 49 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:10] [INFO ] Deduced a trap composed of 61 places in 60 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:10] [INFO ] Deduced a trap composed of 30 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 03:58:10] [INFO ] Deduced a trap composed of 53 places in 68 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:10] [INFO ] Deduced a trap composed of 26 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:10] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 41 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 64 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 45 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 26 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 26 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:11] [INFO ] Deduced a trap composed of 44 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:12] [INFO ] Deduced a trap composed of 60 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:12] [INFO ] Deduced a trap composed of 61 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:12] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:12] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:13] [INFO ] Deduced a trap composed of 34 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:13] [INFO ] Deduced a trap composed of 57 places in 61 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:13] [INFO ] Deduced a trap composed of 80 places in 59 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:14] [INFO ] Deduced a trap composed of 81 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:14] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:14] [INFO ] Deduced a trap composed of 68 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:14] [INFO ] Deduced a trap composed of 56 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:15] [INFO ] Deduced a trap composed of 49 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:15] [INFO ] Deduced a trap composed of 30 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:16] [INFO ] Deduced a trap composed of 57 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:16] [INFO ] Deduced a trap composed of 80 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:16] [INFO ] Deduced a trap composed of 84 places in 64 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:17] [INFO ] Deduced a trap composed of 42 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:18] [INFO ] Deduced a trap composed of 69 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 03:58:19] [INFO ] Deduced a trap composed of 37 places in 74 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:23] [INFO ] Deduced a trap composed of 49 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:23] [INFO ] Deduced a trap composed of 49 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 03:58:24] [INFO ] Deduced a trap composed of 57 places in 67 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 3/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 9 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 244/552 variables, and 90 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/244 constraints, ReadFeed: 0/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 328 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 75/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (OVERLAPS) 4/244 variables, 4/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (OVERLAPS) 308/552 variables, 244/334 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 57/391 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 328/719 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 552/552 variables, and 719 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60069ms problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 60072ms
Finished structural reductions in LTL mode , in 1 iterations and 60289 ms. Remains : 244/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 337 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) p2 (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), true, p2, (NOT p0), (AND p2 (NOT p0))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-11 finished in 60652 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 40 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 244 transition count 272
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 120 place count 184 transition count 272
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 120 place count 184 transition count 224
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 216 place count 136 transition count 224
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 240 place count 124 transition count 212
Applied a total of 240 rules in 15 ms. Remains 124 /244 variables (removed 120) and now considering 212/332 (removed 120) transitions.
[2025-06-03 03:59:03] [INFO ] Flow matrix only has 188 transitions (discarded 24 similar events)
// Phase 1: matrix 188 rows 124 cols
[2025-06-03 03:59:03] [INFO ] Computed 15 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:03] [INFO ] Implicit Places using invariants in 55 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 57 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/244 places, 212/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 120 /120 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 76 ms. Remains : 120/244 places, 212/332 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-12
Product exploration explored 100000 steps with 5171 reset in 316 ms.
Stack based approach found an accepted trace after 32 steps with 1 reset with depth 20 and stack size 20 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-12 finished in 483 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(!p0))||p1))))'
Support contains 84 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:59:03] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
// Phase 1: matrix 308 rows 244 cols
[2025-06-03 03:59:03] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:03] [INFO ] Implicit Places using invariants in 100 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 100 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 104 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), p0, (NOT p0), true]
Running random walk in product with property : Peterson-COL-3-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 237 ms.
Stack based approach found an accepted trace after 84 steps with 1 reset with depth 81 and stack size 79 in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-13 finished in 553 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)||((!p1 U (!p2 U p3))&&X(p4))))'
Support contains 108 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:59:04] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:59:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:04] [INFO ] Implicit Places using invariants in 69 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 82 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 87 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 311 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p4))), true, (NOT p0), (NOT p3), (NOT p4), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p4)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-14
Entered a terminal (fully accepting) state of product in 13 steps with 0 reset in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-14 finished in 424 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)||(F(!p2)&&p1))))'
Support contains 88 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2025-06-03 03:59:04] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2025-06-03 03:59:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 03:59:04] [INFO ] Implicit Places using invariants in 75 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 76 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 240/244 places, 332/332 transitions.
Stuttering acceptance computed with spot in 185 ms :[true, p2, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (NOT p0), (AND p2 (NOT p0))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-15 finished in 284 ms.
All properties solved by simple procedures.
Total runtime 143306 ms.

BK_STOP 1748923145042

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-3"
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-3, 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-174876812800556"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-3.tgz
mv Peterson-COL-3 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;