Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028100276.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 CloudReconfiguration-PT-309, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028100276
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 6.8K 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 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 660K 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 CloudReconfiguration-PT-309-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-309-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748590234345

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-309
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 07:30:35] [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]
[2025-05-30 07:30:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 07:30:35] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2025-05-30 07:30:35] [INFO ] Transformed 2585 places.
[2025-05-30 07:30:35] [INFO ] Transformed 3095 transitions.
[2025-05-30 07:30:35] [INFO ] Found NUPN structural information;
[2025-05-30 07:30:35] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 243 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA CloudReconfiguration-PT-309-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-309-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-309-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 516 places :
Symmetric choice reduction at 0 with 516 rule applications. Total rules 516 place count 2069 transition count 2579
Iterating global reduction 0 with 516 rules applied. Total rules applied 1032 place count 2069 transition count 2579
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 1060 place count 2069 transition count 2551
Discarding 238 places :
Symmetric choice reduction at 1 with 238 rule applications. Total rules 1298 place count 1831 transition count 2313
Iterating global reduction 1 with 238 rules applied. Total rules applied 1536 place count 1831 transition count 2313
Discarding 86 places :
Symmetric choice reduction at 1 with 86 rule applications. Total rules 1622 place count 1745 transition count 2227
Iterating global reduction 1 with 86 rules applied. Total rules applied 1708 place count 1745 transition count 2227
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 1724 place count 1745 transition count 2211
Discarding 45 places :
Symmetric choice reduction at 2 with 45 rule applications. Total rules 1769 place count 1700 transition count 2166
Iterating global reduction 2 with 45 rules applied. Total rules applied 1814 place count 1700 transition count 2166
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1822 place count 1700 transition count 2158
Discarding 34 places :
Symmetric choice reduction at 3 with 34 rule applications. Total rules 1856 place count 1666 transition count 2120
Iterating global reduction 3 with 34 rules applied. Total rules applied 1890 place count 1666 transition count 2120
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1914 place count 1642 transition count 2096
Iterating global reduction 3 with 24 rules applied. Total rules applied 1938 place count 1642 transition count 2096
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 1960 place count 1620 transition count 2074
Iterating global reduction 3 with 22 rules applied. Total rules applied 1982 place count 1620 transition count 2074
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 2004 place count 1598 transition count 2052
Iterating global reduction 3 with 22 rules applied. Total rules applied 2026 place count 1598 transition count 2052
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 2044 place count 1580 transition count 2022
Iterating global reduction 3 with 18 rules applied. Total rules applied 2062 place count 1580 transition count 2022
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 2066 place count 1576 transition count 2015
Iterating global reduction 3 with 4 rules applied. Total rules applied 2070 place count 1576 transition count 2015
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 2074 place count 1572 transition count 2010
Iterating global reduction 3 with 4 rules applied. Total rules applied 2078 place count 1572 transition count 2010
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2080 place count 1572 transition count 2008
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 2081 place count 1571 transition count 2007
Iterating global reduction 4 with 1 rules applied. Total rules applied 2082 place count 1571 transition count 2007
Applied a total of 2082 rules in 1602 ms. Remains 1571 /2585 variables (removed 1014) and now considering 2007/3095 (removed 1088) transitions.
// Phase 1: matrix 2007 rows 1571 cols
[2025-05-30 07:30:37] [INFO ] Computed 4 invariants in 42 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:30:38] [INFO ] Implicit Places using invariants in 470 ms returned []
[2025-05-30 07:30:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:30:39] [INFO ] Implicit Places using invariants and state equation in 1054 ms returned []
Implicit Place search using SMT with State Equation took 1559 ms to find 0 implicit places.
Running 2006 sub problems to find dead transitions.
[2025-05-30 07:30:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 0.0)
(s13 0.0)
(s14 1.0)
(s15 1.0)
(s16 0.0)
(s17 1.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 1.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 1.0)
(s29 0.0)
(s30 0.0)
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(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 1.0)
(s36 0.0)
(s37 0.0)
(s38 1.0)
(s39 0.0)
(s40 0.0)
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(s42 0.0)
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(s48 0.0)
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(s211 0.0)
(s212 0.0)
(s213 0.0)
(s214 0.0)
(s215 0.0)
(s216 1.0)
(s217 1.0)
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(s221 0.0)
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(s236 0.0)
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(s243 0.0)
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(s245 0.0)
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(s248 0.0)
(s249 0.0)
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(s252 0.0)
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(s254 0.0)
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(s256 0.0)
(s257 0.0)
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(s261 0.0)
(s262 0.0)
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(s264 0.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 timeout
0.0)
(s288 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1570 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1570/3578 variables, and 4 constraints, problems are : Problem set: 0 solved, 2006 unsolved in 30065 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1571 constraints, PredecessorRefiner: 2006/2006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2006 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1570 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2006 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
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(s11 1)
(s12 0)
(s13 0)
(s14 1)
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(s16 0)
(s17 1)
(s18 0)
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(s20 0)
(s21 1)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
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(s28 1)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 1)
(s36 0)
(s37 0)
(s38 1)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 1)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
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(s58 0)
(s59 0)
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(s66 0)
(s67 0)
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(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
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(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 0)
(s85 0)
(s86 0)
(s87 0)
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(s89 0)
(s90 0)
(s91 0)
(s92 0)
(s93 0)
(s94 0)
(s95 0)
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(s97 0)
(s98 0)
(s99 0)
(s100 0)
(s101 0)
(s102 0)
(s103 0)
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(s106 0)
(s107 0)
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(s109 0)
(s110 0)
(s111 0)
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(s114 0)
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(s118 0)
(s119 0)
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(s122 0)
(s123 0)
(s124 0)
(s125 0)
(s126 0)
(s127 0)
(s128 0)
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(s130 0)
(s131 0)
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(s134 0)
(s135 0)
(s136 0)
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(s142 0)
(s143 0)
(s144 0)
(s145 0)
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(s147 0)
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(s158 0)
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(s161 0)
(s162 0)
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(s166 0)
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(s169 0)
(s170 0)
(s171 0)
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(s174 0)
(s175 0)
(s176 0)
(s177 0)
(s178 0)
(s179 0)
(s180 0)
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(s182 0)
(s183 0)
(s184 0)
(s185 0)
(s186 0)
(s187 0)
(s188 0)
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(s190 0)
(s191 0)
(s192 0)
(s193 0)
(s194 0)
(s195 0)
(s196 0)
(s197 0)
(s198 0)
(s199 0)
(s200 0)
(s201 0)
(s202 0)
(s203 0)
(s204 0)
(s205 0)
(s206 0)
(s207 0)
(s208 0)
(s209 0)
(s210 0)
(s211 0)
(s212 0)
(s213 0)
(s214 0)
(s215 0)
(s216 1)
(s217 1)
(s218 0)
(s219 0)
(s220 0)
(s221 0)
(s222 0)
(s223 0)
(s224 0)
(s225 0)
(s226 0)
(s227 0)
(s228 0)
(s229 0)
(s230 0)
(s231 0)
(s232 0)
(s233 0)
(s234 0)
(s235 0)
(s236 0)
(s237 0)
(s238 0)
(s239 0)
(s240 0)
(s241 0)
(s242 0)
(s243 0)
(s244 0)
(s245 0)
(s246 0)
(s247 0)
(s248 0)
(s249 0)
(s250 0)
(s251 0)
(s252 0)
(s253 0)
(s254 0)
(s255 0)
(s256 0)
(s257 0)
(s258 0)
(s259 0)
(s260 0)
(s261 0)
(s262 0)
(s263 0)
(s264 0)
(s265 0)
(s266 0)
(s267 0)
(s268 0)
(s269 0)
(s270 0)
(s271 0)
(s272 0)
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(s1289 timeout
0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1570/3578 variables, and 4 constraints, problems are : Problem set: 0 solved, 2006 unsolved in 30052 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1571 constraints, PredecessorRefiner: 0/2006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60685ms problems are : Problem set: 0 solved, 2006 unsolved
Search for dead transitions found 0 dead transitions in 60705ms
Starting structural reductions in LTL mode, iteration 1 : 1571/2585 places, 2007/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63898 ms. Remains : 1571/2585 places, 2007/3095 transitions.
Support contains 34 out of 1571 places after structural reductions.
[2025-05-30 07:31:40] [INFO ] Flatten gal took : 124 ms
[2025-05-30 07:31:40] [INFO ] Flatten gal took : 73 ms
[2025-05-30 07:31:40] [INFO ] Input system was already deterministic with 2007 transitions.
RANDOM walk for 40000 steps (288 resets) in 1806 ms. (22 steps per ms) remains 26/32 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 34 ms. (114 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 13 ms. (285 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 11 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 26/26 properties
[2025-05-30 07:31:41] [INFO ] Invariant cache hit.
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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1532/1560 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1560 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1997/3557 variables, 1560/1564 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3557 variables, 0/1564 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 2/3559 variables, 1/1565 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3559 variables, 0/1565 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 2/3561 variables, 1/1566 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3561 variables, 0/1566 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 2/3563 variables, 1/1567 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3563/3578 variables, and 1567 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5014 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1563/1571 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1532/1560 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1560 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1997/3557 variables, 1560/1564 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3557 variables, 26/1590 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3557/3578 variables, and 1590 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5022 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1560/1571 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10068ms problems are : Problem set: 0 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 28 out of 1571 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Graph (trivial) has 1851 edges and 1571 vertex of which 638 / 1571 are part of one of the 60 SCC in 10 ms
Free SCC test removed 578 places
Drop transitions (Empty/Sink Transition effects.) removed 726 transitions
Reduce isomorphic transitions removed 726 transitions.
Graph (complete) has 1457 edges and 993 vertex of which 984 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 524 transitions
Trivial Post-agglo rules discarded 524 transitions
Performed 524 trivial Post agglomeration. Transition count delta: 524
Iterating post reduction 0 with 530 rules applied. Total rules applied 532 place count 984 transition count 747
Reduce places removed 524 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 576 rules applied. Total rules applied 1108 place count 460 transition count 695
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 37 rules applied. Total rules applied 1145 place count 427 transition count 691
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 6 rules applied. Total rules applied 1151 place count 425 transition count 687
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 4 with 8 rules applied. Total rules applied 1159 place count 423 transition count 681
Reduce places removed 4 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 5 with 15 rules applied. Total rules applied 1174 place count 419 transition count 670
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 13 rules applied. Total rules applied 1187 place count 408 transition count 668
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 3 rules applied. Total rules applied 1190 place count 407 transition count 666
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1191 place count 406 transition count 666
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 52 Pre rules applied. Total rules applied 1191 place count 406 transition count 614
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 9 with 104 rules applied. Total rules applied 1295 place count 354 transition count 614
Discarding 8 places :
Symmetric choice reduction at 9 with 8 rule applications. Total rules 1303 place count 346 transition count 605
Iterating global reduction 9 with 8 rules applied. Total rules applied 1311 place count 346 transition count 605
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 1 rules applied. Total rules applied 1312 place count 346 transition count 604
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1313 place count 345 transition count 604
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 11 with 1 Pre rules applied. Total rules applied 1313 place count 345 transition count 603
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1315 place count 344 transition count 603
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 1321 place count 338 transition count 597
Iterating global reduction 11 with 6 rules applied. Total rules applied 1327 place count 338 transition count 597
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1333 place count 338 transition count 591
Performed 161 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 161 places in 0 ms
Reduce places removed 161 places and 0 transitions.
Iterating global reduction 12 with 322 rules applied. Total rules applied 1655 place count 177 transition count 345
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 12 with 29 rules applied. Total rules applied 1684 place count 177 transition count 316
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 1687 place count 174 transition count 313
Iterating global reduction 13 with 3 rules applied. Total rules applied 1690 place count 174 transition count 313
Performed 8 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 13 with 16 rules applied. Total rules applied 1706 place count 166 transition count 304
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 13 with 8 rules applied. Total rules applied 1714 place count 166 transition count 296
Performed 35 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 14 with 70 rules applied. Total rules applied 1784 place count 131 transition count 333
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 14 with 34 rules applied. Total rules applied 1818 place count 131 transition count 299
Discarding 18 places :
Symmetric choice reduction at 15 with 18 rule applications. Total rules 1836 place count 113 transition count 263
Iterating global reduction 15 with 18 rules applied. Total rules applied 1854 place count 113 transition count 263
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1858 place count 113 transition count 259
Discarding 6 places :
Symmetric choice reduction at 16 with 6 rule applications. Total rules 1864 place count 107 transition count 247
Iterating global reduction 16 with 6 rules applied. Total rules applied 1870 place count 107 transition count 247
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 16 with 3 rules applied. Total rules applied 1873 place count 107 transition count 244
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 17 with 16 rules applied. Total rules applied 1889 place count 107 transition count 228
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 1891 place count 106 transition count 227
Free-agglomeration rule applied 6 times.
Iterating global reduction 17 with 6 rules applied. Total rules applied 1897 place count 106 transition count 221
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 17 with 6 rules applied. Total rules applied 1903 place count 100 transition count 221
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 1905 place count 100 transition count 219
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 18 with 7 rules applied. Total rules applied 1912 place count 100 transition count 219
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 18 with 3 rules applied. Total rules applied 1915 place count 100 transition count 219
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 1916 place count 99 transition count 218
Applied a total of 1916 rules in 184 ms. Remains 99 /1571 variables (removed 1472) and now considering 218/2007 (removed 1789) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 99/1571 places, 218/2007 transitions.
RANDOM walk for 40000 steps (3489 resets) in 803 ms. (49 steps per ms) remains 2/26 properties
BEST_FIRST walk for 40004 steps (707 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (541 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
[2025-05-30 07:31:51] [INFO ] Flow matrix only has 207 transitions (discarded 11 similar events)
// Phase 1: matrix 207 rows 99 cols
[2025-05-30 07:31:51] [INFO ] Computed 3 invariants in 2 ms
[2025-05-30 07:31:51] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 70/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 185/260 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 3/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 33/293 variables, 15/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/293 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 11/304 variables, 7/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/304 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/306 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/306 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/306 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 107 constraints, problems are : Problem set: 0 solved, 2 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 70/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 185/260 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/260 variables, 3/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 33/293 variables, 15/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/293 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/293 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/293 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 11/304 variables, 7/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/304 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/306 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/306 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/306 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 109 constraints, problems are : Problem set: 0 solved, 2 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 392ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 20 ms.
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 218/218 transitions.
Graph (trivial) has 78 edges and 99 vertex of which 14 / 99 are part of one of the 7 SCC in 0 ms
Free SCC test removed 7 places
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 92 transition count 192
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 25 place count 81 transition count 190
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 25 place count 81 transition count 184
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 37 place count 75 transition count 184
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 42 place count 70 transition count 177
Iterating global reduction 2 with 5 rules applied. Total rules applied 47 place count 70 transition count 177
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 48 place count 70 transition count 176
Performed 9 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 66 place count 61 transition count 165
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 74 place count 61 transition count 157
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 75 place count 60 transition count 156
Iterating global reduction 4 with 1 rules applied. Total rules applied 76 place count 60 transition count 156
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 77 place count 60 transition count 155
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 87 place count 55 transition count 154
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 5 with 13 rules applied. Total rules applied 100 place count 55 transition count 141
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 104 place count 51 transition count 135
Iterating global reduction 6 with 4 rules applied. Total rules applied 108 place count 51 transition count 135
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 112 place count 51 transition count 131
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 114 place count 50 transition count 130
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 118 place count 50 transition count 126
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 119 place count 49 transition count 125
Iterating global reduction 8 with 1 rules applied. Total rules applied 120 place count 49 transition count 125
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 121 place count 49 transition count 124
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 9 with 22 rules applied. Total rules applied 143 place count 49 transition count 102
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 145 place count 47 transition count 96
Iterating global reduction 9 with 2 rules applied. Total rules applied 147 place count 47 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 148 place count 47 transition count 95
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 150 place count 45 transition count 93
Iterating global reduction 10 with 2 rules applied. Total rules applied 152 place count 45 transition count 93
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 154 place count 45 transition count 91
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 156 place count 44 transition count 90
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 158 place count 44 transition count 88
Free-agglomeration rule applied 4 times.
Iterating global reduction 11 with 4 rules applied. Total rules applied 162 place count 44 transition count 84
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 169 place count 40 transition count 81
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 170 place count 40 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 171 place count 40 transition count 80
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 172 place count 39 transition count 79
Iterating global reduction 12 with 1 rules applied. Total rules applied 173 place count 39 transition count 79
Applied a total of 173 rules in 42 ms. Remains 39 /99 variables (removed 60) and now considering 79/218 (removed 139) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 39/99 places, 79/218 transitions.
RANDOM walk for 1494 steps (22 resets) in 10 ms. (135 steps per ms) remains 0/1 properties
FORMULA CloudReconfiguration-PT-309-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 28 stabilizing places and 30 stable transitions
Graph (complete) has 2188 edges and 1571 vertex of which 1562 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.32 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((F((F(p1)&&X(G(p2))&&p0)) U p3))))'
Support contains 5 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1558 transition count 1994
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1558 transition count 1994
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 28 place count 1558 transition count 1992
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 36 place count 1550 transition count 1982
Iterating global reduction 1 with 8 rules applied. Total rules applied 44 place count 1550 transition count 1982
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 51 place count 1543 transition count 1974
Iterating global reduction 1 with 7 rules applied. Total rules applied 58 place count 1543 transition count 1974
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 65 place count 1536 transition count 1967
Iterating global reduction 1 with 7 rules applied. Total rules applied 72 place count 1536 transition count 1967
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 73 place count 1536 transition count 1966
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 78 place count 1531 transition count 1961
Iterating global reduction 2 with 5 rules applied. Total rules applied 83 place count 1531 transition count 1961
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 88 place count 1526 transition count 1955
Iterating global reduction 2 with 5 rules applied. Total rules applied 93 place count 1526 transition count 1955
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 98 place count 1521 transition count 1949
Iterating global reduction 2 with 5 rules applied. Total rules applied 103 place count 1521 transition count 1949
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 107 place count 1517 transition count 1945
Iterating global reduction 2 with 4 rules applied. Total rules applied 111 place count 1517 transition count 1945
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 112 place count 1517 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 115 place count 1514 transition count 1939
Iterating global reduction 3 with 3 rules applied. Total rules applied 118 place count 1514 transition count 1939
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 120 place count 1512 transition count 1936
Iterating global reduction 3 with 2 rules applied. Total rules applied 122 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 123 place count 1511 transition count 1935
Iterating global reduction 3 with 1 rules applied. Total rules applied 124 place count 1511 transition count 1935
Applied a total of 124 rules in 892 ms. Remains 1511 /1571 variables (removed 60) and now considering 1935/2007 (removed 72) transitions.
// Phase 1: matrix 1935 rows 1511 cols
[2025-05-30 07:31:53] [INFO ] Computed 4 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:31:53] [INFO ] Implicit Places using invariants in 238 ms returned []
[2025-05-30 07:31:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:31:54] [INFO ] Implicit Places using invariants and state equation in 929 ms returned []
Implicit Place search using SMT with State Equation took 1169 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 07:31:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
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(s1082 0)
(s1083 0)
(s1084 0)
(s1085 0)
(s1086 0)
(s1087 0)
(s1088 0)
(s1089 0)
(s1090 0)
(s1091 0)
(s1092 0)
(s1093 0)
(s1094 0)
(s1095 0)
(s1096 0)
(s1097 0)
(s1098 1)
(s1099 1)
(s1100 1)
(s1101 0)
(s1102 0)
(s1103 0)
(s1104 1)
(s1105 0)
(s1106 0)
(s1107 0)
(s1108 1)
(s1109 0)
(s1110 0)
(s1111 0)
(s1112 1)
(s1113 0)
(s1114 0)
(s1115 0)
(s1116 1)
(s1117 1)
(s1118 0)
(s1119 0)
(s1120 0)
(s1121 0)
(s1122 0)
(s1123 0)
(s1124 0)
(s1125 0)
(s1126 0)
(s1127 0)
(s1128 0)
(s1129 1)
(s1130 1)
(s1131 0)
(s1132 0)
(s1133 0)
(s1134 1)
(s1135 0)
(s1136 0)
(s1137 0)
(s1138 0)
(s1139 0)
(s1140 0)
(s1141 0)
(s1142 0)
(s1143 0)
(s1144 0)
(s1145 0)
(s1146 0)
(s1147 0)
(s1148 0)
(s1149 0)
(s1150 0)
(s1151 0)
(s1152 0)
(s1153 0)
(s1154 0)
(s1155 0)
(s1156 timeout
0)
(s1157 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60453ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60457ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1571 places, 1935/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62532 ms. Remains : 1511/1571 places, 1935/2007 transitions.
Stuttering acceptance computed with spot in 445 ms :[(NOT p3), (NOT p3), (NOT p3), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-00
Stuttering criterion allowed to conclude after 140 steps with 0 reset in 15 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-00 finished in 63061 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||X(X(F((p1&&X(G((p1||G(p2)))))))))))'
Support contains 2 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1556 transition count 1991
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1556 transition count 1991
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1556 transition count 1989
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 40 place count 1548 transition count 1979
Iterating global reduction 1 with 8 rules applied. Total rules applied 48 place count 1548 transition count 1979
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 55 place count 1541 transition count 1971
Iterating global reduction 1 with 7 rules applied. Total rules applied 62 place count 1541 transition count 1971
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 63 place count 1541 transition count 1970
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 69 place count 1535 transition count 1964
Iterating global reduction 2 with 6 rules applied. Total rules applied 75 place count 1535 transition count 1964
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 76 place count 1535 transition count 1963
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 80 place count 1531 transition count 1959
Iterating global reduction 3 with 4 rules applied. Total rules applied 84 place count 1531 transition count 1959
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 88 place count 1527 transition count 1954
Iterating global reduction 3 with 4 rules applied. Total rules applied 92 place count 1527 transition count 1954
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 96 place count 1523 transition count 1949
Iterating global reduction 3 with 4 rules applied. Total rules applied 100 place count 1523 transition count 1949
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 104 place count 1519 transition count 1945
Iterating global reduction 3 with 4 rules applied. Total rules applied 108 place count 1519 transition count 1945
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 109 place count 1519 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 112 place count 1516 transition count 1939
Iterating global reduction 4 with 3 rules applied. Total rules applied 115 place count 1516 transition count 1939
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 117 place count 1514 transition count 1936
Iterating global reduction 4 with 2 rules applied. Total rules applied 119 place count 1514 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 120 place count 1513 transition count 1935
Iterating global reduction 4 with 1 rules applied. Total rules applied 121 place count 1513 transition count 1935
Applied a total of 121 rules in 758 ms. Remains 1513 /1571 variables (removed 58) and now considering 1935/2007 (removed 72) transitions.
// Phase 1: matrix 1935 rows 1513 cols
[2025-05-30 07:32:56] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:32:56] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-05-30 07:32:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:32:57] [INFO ] Implicit Places using invariants and state equation in 964 ms returned []
Implicit Place search using SMT with State Equation took 1181 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 07:32:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30046 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60442ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60447ms
Starting structural reductions in LTL mode, iteration 1 : 1513/1571 places, 1935/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62392 ms. Remains : 1513/1571 places, 1935/2007 transitions.
Stuttering acceptance computed with spot in 252 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-01
Product exploration explored 100000 steps with 710 reset in 202 ms.
Product exploration explored 100000 steps with 707 reset in 182 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2112 edges and 1513 vertex of which 1504 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.8 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 82 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 16 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 212 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 8 to 7
RANDOM walk for 40000 steps (280 resets) in 386 ms. (103 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (80 resets) in 113 ms. (350 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (79 resets) in 112 ms. (354 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (70 resets) in 104 ms. (380 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (72 resets) in 99 ms. (400 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (74 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (73 resets) in 79 ms. (500 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (80 resets) in 84 ms. (470 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 307942 steps, run timeout after 3001 ms. (steps per millisecond=102 ) properties seen :0 out of 7
Probabilistic random walk after 307942 steps, saw 75390 distinct states, run finished after 3008 ms. (steps per millisecond=102 ) properties seen :0
[2025-05-30 07:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 698/700 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/700 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 802/1502 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3427 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 2/3435 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3435 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 2/3437 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 2/3439 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3439 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 2/3441 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3441/3448 variables, and 1513 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5012 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1509/1513 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 698/700 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/700 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 802/1502 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3427 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 7/1513 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3427 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 2/3429 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3429 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 2/3431 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3431 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 2/3433 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3433 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 2/3435 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3435 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 2/3437 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3437/3448 variables, and 1518 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5016 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1513 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10040ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1513/1513 places, 1935/1935 transitions.
Graph (trivial) has 1844 edges and 1513 vertex of which 679 / 1513 are part of one of the 62 SCC in 2 ms
Free SCC test removed 617 places
Drop transitions (Empty/Sink Transition effects.) removed 778 transitions
Reduce isomorphic transitions removed 778 transitions.
Graph (complete) has 1329 edges and 896 vertex of which 887 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 498 transitions
Trivial Post-agglo rules discarded 498 transitions
Performed 498 trivial Post agglomeration. Transition count delta: 498
Iterating post reduction 0 with 505 rules applied. Total rules applied 507 place count 887 transition count 648
Reduce places removed 498 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 558 rules applied. Total rules applied 1065 place count 389 transition count 588
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 41 rules applied. Total rules applied 1106 place count 350 transition count 586
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1109 place count 349 transition count 584
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 1113 place count 348 transition count 581
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 3 rules applied. Total rules applied 1116 place count 346 transition count 580
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1117 place count 345 transition count 580
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 51 Pre rules applied. Total rules applied 1117 place count 345 transition count 529
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 7 with 102 rules applied. Total rules applied 1219 place count 294 transition count 529
Discarding 10 places :
Symmetric choice reduction at 7 with 10 rule applications. Total rules 1229 place count 284 transition count 515
Iterating global reduction 7 with 10 rules applied. Total rules applied 1239 place count 284 transition count 515
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 7 with 2 rules applied. Total rules applied 1241 place count 284 transition count 513
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1243 place count 282 transition count 513
Discarding 7 places :
Symmetric choice reduction at 9 with 7 rule applications. Total rules 1250 place count 275 transition count 505
Iterating global reduction 9 with 7 rules applied. Total rules applied 1257 place count 275 transition count 505
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1263 place count 275 transition count 499
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1264 place count 274 transition count 493
Iterating global reduction 10 with 1 rules applied. Total rules applied 1265 place count 274 transition count 493
Performed 146 Post agglomeration using F-continuation condition with reduction of 98 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 10 with 292 rules applied. Total rules applied 1557 place count 128 transition count 249
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 1572 place count 128 transition count 234
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 1575 place count 125 transition count 231
Iterating global reduction 11 with 3 rules applied. Total rules applied 1578 place count 125 transition count 231
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 11 with 24 rules applied. Total rules applied 1602 place count 113 transition count 217
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 11 with 14 rules applied. Total rules applied 1616 place count 113 transition count 203
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 1618 place count 112 transition count 202
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1620 place count 112 transition count 200
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1622 place count 111 transition count 199
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 1624 place count 111 transition count 197
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 14 with 66 rules applied. Total rules applied 1690 place count 78 transition count 228
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 14 with 47 rules applied. Total rules applied 1737 place count 78 transition count 181
Discarding 23 places :
Symmetric choice reduction at 15 with 23 rule applications. Total rules 1760 place count 55 transition count 151
Iterating global reduction 15 with 23 rules applied. Total rules applied 1783 place count 55 transition count 151
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 15 with 14 rules applied. Total rules applied 1797 place count 55 transition count 137
Discarding 6 places :
Symmetric choice reduction at 16 with 6 rule applications. Total rules 1803 place count 49 transition count 125
Iterating global reduction 16 with 6 rules applied. Total rules applied 1809 place count 49 transition count 125
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 16 with 6 rules applied. Total rules applied 1815 place count 49 transition count 119
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 17 with 21 rules applied. Total rules applied 1836 place count 49 transition count 98
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 1838 place count 47 transition count 92
Iterating global reduction 17 with 2 rules applied. Total rules applied 1840 place count 47 transition count 92
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 1842 place count 45 transition count 90
Iterating global reduction 17 with 2 rules applied. Total rules applied 1844 place count 45 transition count 90
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 1846 place count 45 transition count 88
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 18 with 2 rules applied. Total rules applied 1848 place count 44 transition count 87
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 1850 place count 44 transition count 85
Free-agglomeration rule applied 3 times.
Iterating global reduction 18 with 3 rules applied. Total rules applied 1853 place count 44 transition count 82
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 4 rules applied. Total rules applied 1857 place count 41 transition count 81
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 1858 place count 41 transition count 81
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 1859 place count 40 transition count 80
Applied a total of 1859 rules in 82 ms. Remains 40 /1513 variables (removed 1473) and now considering 80/1935 (removed 1855) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 40/1513 places, 80/1935 transitions.
RANDOM walk for 40000 steps (753 resets) in 88 ms. (449 steps per ms) remains 1/7 properties
BEST_FIRST walk for 40000 steps (9 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
[2025-05-30 07:34:12] [INFO ] Flow matrix only has 75 transitions (discarded 5 similar events)
// Phase 1: matrix 75 rows 40 cols
[2025-05-30 07:34:12] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 07:34:12] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/17 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 07:34:12] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 5 ms to minimize.
Problem apf1 is UNSAT
After SMT solving in domain Real declared 17/115 variables, and 3 constraints, problems are : Problem set: 1 solved, 0 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 2/4 constraints, State Equation: 0/40 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 77ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 p2), (X (X p1)), (G (OR p1 p2)), (G (OR p1 p2))]
False Knowledge obtained : [(F (NOT (OR p1 (NOT p2)))), (F (NOT p0)), (F (NOT p1)), (F (NOT (OR (NOT p1) p2))), (F (NOT p2)), (F (NOT (AND p1 p2)))]
Knowledge based reduction with 4 factoid took 291 ms. Reduced automaton from 6 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 266 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 244 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1513/1513 places, 1935/1935 transitions.
Applied a total of 0 rules in 75 ms. Remains 1513 /1513 variables (removed 0) and now considering 1935/1935 (removed 0) transitions.
// Phase 1: matrix 1935 rows 1513 cols
[2025-05-30 07:34:13] [INFO ] Computed 4 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:34:13] [INFO ] Implicit Places using invariants in 217 ms returned []
[2025-05-30 07:34:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:34:14] [INFO ] Implicit Places using invariants and state equation in 900 ms returned []
Implicit Place search using SMT with State Equation took 1120 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 07:34:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60470ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60475ms
Finished structural reductions in LTL mode , in 1 iterations and 61677 ms. Remains : 1513/1513 places, 1935/1935 transitions.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2112 edges and 1513 vertex of which 1504 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 249 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (288 resets) in 191 ms. (208 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (80 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
[2025-05-30 07:35:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 423/424 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/424 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1078/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3427 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3435 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3435 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3437 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3439 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3439 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3441 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3441 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3443 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3443 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3445 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3445 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3447 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3447 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3448 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3448 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3448 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3448/3448 variables, and 1517 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2404 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 423/424 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/424 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1078/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3427 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3427 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3429 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3429 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3431 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3431 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3433 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3433 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3435 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3435 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3437 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3439 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3439 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3441 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3441 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3443 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3443 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3445 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3445 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3447 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3447 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3448 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3448 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3448 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3448/3448 variables, and 1518 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2008 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4420ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 114 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=114 )
Parikh walk visited 1 properties in 5 ms.
Knowledge obtained : [(AND p0 p1 p2), (X (X p1))]
False Knowledge obtained : [(F (NOT p2)), (F (NOT (AND p1 p2))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 232 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 253 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 695 reset in 119 ms.
Product exploration explored 100000 steps with 712 reset in 139 ms.
Applying partial POR strategy [false, false, true, true, true, true]
Stuttering acceptance computed with spot in 269 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1513/1513 places, 1935/1935 transitions.
Graph (trivial) has 1844 edges and 1513 vertex of which 679 / 1513 are part of one of the 62 SCC in 4 ms
Free SCC test removed 617 places
Ensure Unique test removed 715 transitions
Reduce isomorphic transitions removed 715 transitions.
Graph (complete) has 1391 edges and 896 vertex of which 887 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Performed 484 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 484 rules applied. Total rules applied 486 place count 887 transition count 1215
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 14 rules applied. Total rules applied 500 place count 887 transition count 1202
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 2 with 2 rules applied. Total rules applied 502 place count 887 transition count 1201
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 503 place count 887 transition count 1200
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 22 Pre rules applied. Total rules applied 503 place count 887 transition count 1214
Deduced a syphon composed of 508 places in 1 ms
Iterating global reduction 4 with 22 rules applied. Total rules applied 525 place count 887 transition count 1214
Discarding 288 places :
Symmetric choice reduction at 4 with 288 rule applications. Total rules 813 place count 599 transition count 918
Deduced a syphon composed of 234 places in 0 ms
Iterating global reduction 4 with 288 rules applied. Total rules applied 1101 place count 599 transition count 918
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1112 place count 588 transition count 904
Deduced a syphon composed of 232 places in 1 ms
Iterating global reduction 4 with 11 rules applied. Total rules applied 1123 place count 588 transition count 904
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1129 place count 588 transition count 898
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1139 place count 578 transition count 888
Deduced a syphon composed of 223 places in 1 ms
Iterating global reduction 5 with 10 rules applied. Total rules applied 1149 place count 578 transition count 888
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1150 place count 577 transition count 886
Deduced a syphon composed of 223 places in 0 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 1151 place count 577 transition count 886
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1152 place count 576 transition count 884
Deduced a syphon composed of 223 places in 1 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 1153 place count 576 transition count 884
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1155 place count 574 transition count 882
Deduced a syphon composed of 222 places in 0 ms
Iterating global reduction 5 with 2 rules applied. Total rules applied 1157 place count 574 transition count 882
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1158 place count 573 transition count 880
Deduced a syphon composed of 222 places in 1 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 1159 place count 573 transition count 880
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1160 place count 572 transition count 878
Deduced a syphon composed of 222 places in 0 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 1161 place count 572 transition count 878
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1163 place count 570 transition count 875
Deduced a syphon composed of 221 places in 0 ms
Iterating global reduction 5 with 2 rules applied. Total rules applied 1165 place count 570 transition count 875
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1167 place count 568 transition count 867
Deduced a syphon composed of 220 places in 0 ms
Iterating global reduction 5 with 2 rules applied. Total rules applied 1169 place count 568 transition count 867
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1171 place count 566 transition count 865
Deduced a syphon composed of 219 places in 0 ms
Iterating global reduction 5 with 2 rules applied. Total rules applied 1173 place count 566 transition count 865
Performed 114 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 333 places in 0 ms
Iterating global reduction 5 with 114 rules applied. Total rules applied 1287 place count 566 transition count 942
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 5 with 44 rules applied. Total rules applied 1331 place count 566 transition count 898
Discarding 108 places :
Symmetric choice reduction at 6 with 108 rule applications. Total rules 1439 place count 458 transition count 780
Deduced a syphon composed of 235 places in 0 ms
Iterating global reduction 6 with 108 rules applied. Total rules applied 1547 place count 458 transition count 780
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 1553 place count 452 transition count 771
Deduced a syphon composed of 229 places in 0 ms
Iterating global reduction 6 with 6 rules applied. Total rules applied 1559 place count 452 transition count 771
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 237 places in 1 ms
Iterating global reduction 6 with 8 rules applied. Total rules applied 1567 place count 452 transition count 771
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1573 place count 452 transition count 765
Discarding 18 places :
Symmetric choice reduction at 7 with 18 rule applications. Total rules 1591 place count 434 transition count 743
Deduced a syphon composed of 223 places in 0 ms
Iterating global reduction 7 with 18 rules applied. Total rules applied 1609 place count 434 transition count 743
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 1615 place count 434 transition count 737
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1619 place count 430 transition count 733
Deduced a syphon composed of 219 places in 1 ms
Iterating global reduction 8 with 4 rules applied. Total rules applied 1623 place count 430 transition count 733
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 221 places in 0 ms
Iterating global reduction 8 with 2 rules applied. Total rules applied 1625 place count 430 transition count 733
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 1629 place count 430 transition count 729
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1631 place count 428 transition count 727
Deduced a syphon composed of 219 places in 0 ms
Iterating global reduction 9 with 2 rules applied. Total rules applied 1633 place count 428 transition count 727
Performed 74 Post agglomeration using F-continuation condition with reduction of 123 identical transitions.
Deduced a syphon composed of 293 places in 0 ms
Iterating global reduction 9 with 74 rules applied. Total rules applied 1707 place count 428 transition count 1072
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 9 with 124 rules applied. Total rules applied 1831 place count 428 transition count 948
Discarding 128 places :
Symmetric choice reduction at 10 with 128 rule applications. Total rules 1959 place count 300 transition count 603
Deduced a syphon composed of 174 places in 0 ms
Iterating global reduction 10 with 128 rules applied. Total rules applied 2087 place count 300 transition count 603
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 2102 place count 300 transition count 588
Discarding 26 places :
Symmetric choice reduction at 11 with 26 rule applications. Total rules 2128 place count 274 transition count 534
Deduced a syphon composed of 148 places in 0 ms
Iterating global reduction 11 with 26 rules applied. Total rules applied 2154 place count 274 transition count 534
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -50
Deduced a syphon composed of 151 places in 1 ms
Iterating global reduction 11 with 3 rules applied. Total rules applied 2157 place count 274 transition count 584
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 2160 place count 271 transition count 556
Deduced a syphon composed of 148 places in 0 ms
Iterating global reduction 11 with 3 rules applied. Total rules applied 2163 place count 271 transition count 556
Deduced a syphon composed of 148 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 11 with 56 rules applied. Total rules applied 2219 place count 271 transition count 500
Discarding 5 places :
Symmetric choice reduction at 11 with 5 rule applications. Total rules 2224 place count 266 transition count 495
Deduced a syphon composed of 143 places in 0 ms
Iterating global reduction 11 with 5 rules applied. Total rules applied 2229 place count 266 transition count 495
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -60
Deduced a syphon composed of 146 places in 0 ms
Iterating global reduction 11 with 3 rules applied. Total rules applied 2232 place count 266 transition count 555
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 2235 place count 263 transition count 540
Deduced a syphon composed of 143 places in 0 ms
Iterating global reduction 11 with 3 rules applied. Total rules applied 2238 place count 263 transition count 540
Deduced a syphon composed of 143 places in 0 ms
Applied a total of 2238 rules in 343 ms. Remains 263 /1513 variables (removed 1250) and now considering 540/1935 (removed 1395) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 07:35:22] [INFO ] Redundant transitions in 34 ms returned []
Running 539 sub problems to find dead transitions.
[2025-05-30 07:35:22] [INFO ] Flow matrix only has 482 transitions (discarded 58 similar events)
// Phase 1: matrix 482 rows 263 cols
[2025-05-30 07:35:22] [INFO ] Computed 0 invariants in 2 ms
[2025-05-30 07:35:22] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/262 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 539 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD260 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD281 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD287 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD303 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD328 is UNSAT
Problem TDEAD329 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD348 is UNSAT
Problem TDEAD351 is UNSAT
Problem TDEAD352 is UNSAT
Problem TDEAD353 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD358 is UNSAT
Problem TDEAD361 is UNSAT
Problem TDEAD362 is UNSAT
Problem TDEAD363 is UNSAT
Problem TDEAD364 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD366 is UNSAT
Problem TDEAD367 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD369 is UNSAT
Problem TDEAD370 is UNSAT
Problem TDEAD371 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD373 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD375 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD377 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD391 is UNSAT
Problem TDEAD392 is UNSAT
Problem TDEAD393 is UNSAT
Problem TDEAD396 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD405 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD407 is UNSAT
Problem TDEAD408 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD414 is UNSAT
Problem TDEAD417 is UNSAT
Problem TDEAD418 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD424 is UNSAT
Problem TDEAD427 is UNSAT
Problem TDEAD428 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD432 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD434 is UNSAT
Problem TDEAD435 is UNSAT
Problem TDEAD436 is UNSAT
Problem TDEAD437 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD480 is UNSAT
Problem TDEAD481 is UNSAT
Problem TDEAD482 is UNSAT
Problem TDEAD483 is UNSAT
Problem TDEAD484 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD492 is UNSAT
Problem TDEAD493 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD533 is UNSAT
Problem TDEAD534 is UNSAT
At refinement iteration 1 (OVERLAPS) 481/743 variables, 262/262 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/743 variables, 3/265 constraints. Problems are: Problem set: 263 solved, 276 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/743 variables, 0/265 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 4 (OVERLAPS) 1/744 variables, 1/266 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/744 variables, 0/266 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 6 (OVERLAPS) 1/745 variables, 1/267 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/745 variables, 0/267 constraints. Problems are: Problem set: 263 solved, 276 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 745/745 variables, and 267 constraints, problems are : Problem set: 263 solved, 276 unsolved in 30013 ms.
Refiners :[State Equation: 263/263 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 539/539 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 263 solved, 276 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 0/0 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 1 (OVERLAPS) 478/597 variables, 119/119 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/597 variables, 3/122 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/597 variables, 276/398 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/597 variables, 0/398 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 5 (OVERLAPS) 147/744 variables, 144/542 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/744 variables, 0/542 constraints. Problems are: Problem set: 263 solved, 276 unsolved
At refinement iteration 7 (OVERLAPS) 1/745 variables, 1/543 constraints. Problems are: Problem set: 263 solved, 276 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 745/745 variables, and 543 constraints, problems are : Problem set: 263 solved, 276 unsolved in 30019 ms.
Refiners :[State Equation: 263/263 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 276/539 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 263 solved, 276 unsolved
Search for dead transitions found 263 dead transitions in 60148ms
Found 263 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 263 transitions
Dead transitions reduction (with SMT) removed 263 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 263/1513 places, 277/1935 transitions.
Graph (complete) has 426 edges and 263 vertex of which 120 are kept as prefixes of interest. Removing 143 places using SCC suffix rule.1 ms
Discarding 143 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 120 /263 variables (removed 143) and now considering 277/277 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/1513 places, 277/1935 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60542 ms. Remains : 120/1513 places, 277/1935 transitions.
Built C files in :
/tmp/ltsmin14717625604803529134
[2025-05-30 07:36:22] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14717625604803529134
Running compilation step : cd /tmp/ltsmin14717625604803529134;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14717625604803529134;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin14717625604803529134;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1513/1513 places, 1935/1935 transitions.
Applied a total of 0 rules in 40 ms. Remains 1513 /1513 variables (removed 0) and now considering 1935/1935 (removed 0) transitions.
// Phase 1: matrix 1935 rows 1513 cols
[2025-05-30 07:36:25] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:36:25] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-05-30 07:36:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:36:26] [INFO ] Implicit Places using invariants and state equation in 904 ms returned []
Implicit Place search using SMT with State Equation took 1127 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 07:36:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1512/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60404ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60406ms
Finished structural reductions in LTL mode , in 1 iterations and 61581 ms. Remains : 1513/1513 places, 1935/1935 transitions.
Built C files in :
/tmp/ltsmin16114881841446999814
[2025-05-30 07:37:27] [INFO ] Built C files in 19ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16114881841446999814
Running compilation step : cd /tmp/ltsmin16114881841446999814;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin16114881841446999814;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin16114881841446999814;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-05-30 07:37:30] [INFO ] Flatten gal took : 52 ms
[2025-05-30 07:37:30] [INFO ] Flatten gal took : 50 ms
[2025-05-30 07:37:30] [INFO ] Time to serialize gal into /tmp/LTL9247906769455577302.gal : 20 ms
[2025-05-30 07:37:30] [INFO ] Time to serialize properties into /tmp/LTL16360351735645489207.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9247906769455577302.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15736535620758658772.hoa' '-atoms' '/tmp/LTL16360351735645489207.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL16360351735645489207.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15736535620758658772.hoa
Detected timeout of ITS tools.
[2025-05-30 07:37:45] [INFO ] Flatten gal took : 44 ms
[2025-05-30 07:37:45] [INFO ] Flatten gal took : 40 ms
[2025-05-30 07:37:45] [INFO ] Time to serialize gal into /tmp/LTL12774742283407058461.gal : 8 ms
[2025-05-30 07:37:45] [INFO ] Time to serialize properties into /tmp/LTL13965377617532934951.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12774742283407058461.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13965377617532934951.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((G(("(p165==0)")||(X(X(F(("(p165!=1)")&&(X(G(("(p165!=1)")||(G("(p1216!=1)"))))))))))))
Formula 0 simplified : F(!"(p165==0)" & XXG(!"(p165!=1)" | XF(!"(p165!=1)" & F!"(p1216!=1)")))
Detected timeout of ITS tools.
[2025-05-30 07:38:00] [INFO ] Flatten gal took : 37 ms
[2025-05-30 07:38:00] [INFO ] Applying decomposition
[2025-05-30 07:38:00] [INFO ] Flatten gal took : 45 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16170841208033327554.txt' '-o' '/tmp/graph16170841208033327554.bin' '-w' '/tmp/graph16170841208033327554.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16170841208033327554.bin' '-l' '-1' '-v' '-w' '/tmp/graph16170841208033327554.weights' '-q' '0' '-e' '0.001'
[2025-05-30 07:38:00] [INFO ] Decomposing Gal with order
[2025-05-30 07:38:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 07:38:01] [INFO ] Removed a total of 516 redundant transitions.
[2025-05-30 07:38:01] [INFO ] Flatten gal took : 115 ms
[2025-05-30 07:38:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 38 labels/synchronizations in 31 ms.
[2025-05-30 07:38:01] [INFO ] Time to serialize gal into /tmp/LTL16724806860495481134.gal : 20 ms
[2025-05-30 07:38:01] [INFO ] Time to serialize properties into /tmp/LTL8028707455570033042.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16724806860495481134.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8028707455570033042.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G(("(i3.u29.p165==0)")||(X(X(F(("(i3.u29.p165!=1)")&&(X(G(("(i3.u29.p165!=1)")||(G("(i17.i0.i3.u228.p1216!=1)"))))))))))))
Formula 0 simplified : F(!"(i3.u29.p165==0)" & XXG(!"(i3.u29.p165!=1)" | XF(!"(i3.u29.p165!=1)" & F!"(i17.i0.i3.u228.p1216!=1)")))
Reverse transition relation is NOT exact ! Due to transitions t26, t181, t262, t293, t371, t442, t491, t494, t679, t760, t791, t820, t869, t940, t991, t119...2088
Computing Next relation with stutter on 140576 deadlock states
Detected timeout of ITS tools.
Treatment of property CloudReconfiguration-PT-309-LTLFireability-01 finished in 320690 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&&X(p2)))||(p3 U X(p4))))'
Support contains 5 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1558 transition count 1993
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1558 transition count 1993
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 27 place count 1558 transition count 1992
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 34 place count 1551 transition count 1983
Iterating global reduction 1 with 7 rules applied. Total rules applied 41 place count 1551 transition count 1983
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 47 place count 1545 transition count 1976
Iterating global reduction 1 with 6 rules applied. Total rules applied 53 place count 1545 transition count 1976
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 54 place count 1545 transition count 1975
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 59 place count 1540 transition count 1970
Iterating global reduction 2 with 5 rules applied. Total rules applied 64 place count 1540 transition count 1970
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 68 place count 1536 transition count 1966
Iterating global reduction 2 with 4 rules applied. Total rules applied 72 place count 1536 transition count 1966
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 76 place count 1532 transition count 1961
Iterating global reduction 2 with 4 rules applied. Total rules applied 80 place count 1532 transition count 1961
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 84 place count 1528 transition count 1956
Iterating global reduction 2 with 4 rules applied. Total rules applied 88 place count 1528 transition count 1956
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 91 place count 1525 transition count 1953
Iterating global reduction 2 with 3 rules applied. Total rules applied 94 place count 1525 transition count 1953
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 95 place count 1525 transition count 1952
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 97 place count 1523 transition count 1949
Iterating global reduction 3 with 2 rules applied. Total rules applied 99 place count 1523 transition count 1949
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 101 place count 1521 transition count 1946
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 1521 transition count 1946
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 104 place count 1520 transition count 1945
Iterating global reduction 3 with 1 rules applied. Total rules applied 105 place count 1520 transition count 1945
Applied a total of 105 rules in 655 ms. Remains 1520 /1571 variables (removed 51) and now considering 1945/2007 (removed 62) transitions.
// Phase 1: matrix 1945 rows 1520 cols
[2025-05-30 07:38:17] [INFO ] Computed 4 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:38:17] [INFO ] Implicit Places using invariants in 267 ms returned []
[2025-05-30 07:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:38:18] [INFO ] Implicit Places using invariants and state equation in 881 ms returned []
Implicit Place search using SMT with State Equation took 1150 ms to find 0 implicit places.
Running 1944 sub problems to find dead transitions.
[2025-05-30 07:38:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1944 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1519/3465 variables, and 4 constraints, problems are : Problem set: 0 solved, 1944 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1520 constraints, PredecessorRefiner: 1944/1944 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1944 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1944 unsolved
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(s686 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1519/3465 variables, and 4 constraints, problems are : Problem set: 0 solved, 1944 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1520 constraints, PredecessorRefiner: 0/1944 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60446ms problems are : Problem set: 0 solved, 1944 unsolved
Search for dead transitions found 0 dead transitions in 60448ms
Starting structural reductions in LTL mode, iteration 1 : 1520/1571 places, 1945/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62263 ms. Remains : 1520/1571 places, 1945/2007 transitions.
Stuttering acceptance computed with spot in 716 ms :[(OR (AND (NOT p1) (NOT p4)) (AND (NOT p2) (NOT p4))), (NOT p4), (NOT p4), (AND (NOT p0) (NOT p4)), (OR (AND p0 (NOT p1) (NOT p4)) (AND p1 (NOT p2) (NOT p4))), (AND (NOT p0) (NOT p4)), (OR (AND (NOT p1) (NOT p4)) (AND (NOT p2) (NOT p4))), (AND (NOT p4) (NOT p2)), (AND (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4)), (AND (NOT p2) (NOT p4)), true, (NOT p0), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-02 finished in 63015 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(p1)))'
Support contains 2 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1555 transition count 1990
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1555 transition count 1990
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1555 transition count 1988
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 43 place count 1546 transition count 1977
Iterating global reduction 1 with 9 rules applied. Total rules applied 52 place count 1546 transition count 1977
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 60 place count 1538 transition count 1968
Iterating global reduction 1 with 8 rules applied. Total rules applied 68 place count 1538 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 69 place count 1538 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 76 place count 1531 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 83 place count 1531 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 84 place count 1531 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 89 place count 1526 transition count 1954
Iterating global reduction 3 with 5 rules applied. Total rules applied 94 place count 1526 transition count 1954
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 99 place count 1521 transition count 1948
Iterating global reduction 3 with 5 rules applied. Total rules applied 104 place count 1521 transition count 1948
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 109 place count 1516 transition count 1942
Iterating global reduction 3 with 5 rules applied. Total rules applied 114 place count 1516 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 118 place count 1512 transition count 1938
Iterating global reduction 3 with 4 rules applied. Total rules applied 122 place count 1512 transition count 1938
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 123 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 126 place count 1509 transition count 1932
Iterating global reduction 4 with 3 rules applied. Total rules applied 129 place count 1509 transition count 1932
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 1507 transition count 1929
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 1506 transition count 1928
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 1506 transition count 1928
Applied a total of 135 rules in 698 ms. Remains 1506 /1571 variables (removed 65) and now considering 1928/2007 (removed 79) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 07:39:20] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:39:20] [INFO ] Implicit Places using invariants in 204 ms returned []
[2025-05-30 07:39:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:39:21] [INFO ] Implicit Places using invariants and state equation in 874 ms returned []
Implicit Place search using SMT with State Equation took 1078 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 07:39:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60406ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60409ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1571 places, 1928/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62191 ms. Remains : 1506/1571 places, 1928/2007 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-03
Product exploration explored 100000 steps with 735 reset in 172 ms.
Stack based approach found an accepted trace after 357 steps with 2 reset with depth 124 and stack size 124 in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-03 finished in 62526 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 1 out of 1571 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Graph (trivial) has 1916 edges and 1571 vertex of which 697 / 1571 are part of one of the 63 SCC in 2 ms
Free SCC test removed 634 places
Ensure Unique test removed 737 transitions
Reduce isomorphic transitions removed 737 transitions.
Graph (complete) has 1445 edges and 937 vertex of which 928 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 520 transitions
Trivial Post-agglo rules discarded 520 transitions
Performed 520 trivial Post agglomeration. Transition count delta: 520
Iterating post reduction 0 with 520 rules applied. Total rules applied 522 place count 927 transition count 744
Reduce places removed 520 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 544 rules applied. Total rules applied 1066 place count 407 transition count 720
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1078 place count 395 transition count 720
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 45 Pre rules applied. Total rules applied 1078 place count 395 transition count 675
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 3 with 90 rules applied. Total rules applied 1168 place count 350 transition count 675
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1186 place count 332 transition count 648
Iterating global reduction 3 with 18 rules applied. Total rules applied 1204 place count 332 transition count 648
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 1205 place count 332 transition count 647
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1206 place count 331 transition count 647
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1216 place count 321 transition count 634
Iterating global reduction 5 with 10 rules applied. Total rules applied 1226 place count 321 transition count 634
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1234 place count 321 transition count 626
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1235 place count 320 transition count 626
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1237 place count 318 transition count 622
Iterating global reduction 7 with 2 rules applied. Total rules applied 1239 place count 318 transition count 622
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1240 place count 317 transition count 620
Iterating global reduction 7 with 1 rules applied. Total rules applied 1241 place count 317 transition count 620
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1242 place count 316 transition count 618
Iterating global reduction 7 with 1 rules applied. Total rules applied 1243 place count 316 transition count 618
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1244 place count 315 transition count 616
Iterating global reduction 7 with 1 rules applied. Total rules applied 1245 place count 315 transition count 616
Performed 153 Post agglomeration using F-continuation condition with reduction of 95 identical transitions.
Deduced a syphon composed of 153 places in 1 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 7 with 306 rules applied. Total rules applied 1551 place count 162 transition count 368
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1566 place count 162 transition count 353
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1571 place count 157 transition count 346
Iterating global reduction 8 with 5 rules applied. Total rules applied 1576 place count 157 transition count 346
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1577 place count 156 transition count 344
Iterating global reduction 8 with 1 rules applied. Total rules applied 1578 place count 156 transition count 344
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1579 place count 155 transition count 342
Iterating global reduction 8 with 1 rules applied. Total rules applied 1580 place count 155 transition count 342
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1581 place count 154 transition count 340
Iterating global reduction 8 with 1 rules applied. Total rules applied 1582 place count 154 transition count 340
Performed 10 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 8 with 20 rules applied. Total rules applied 1602 place count 144 transition count 329
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 1613 place count 144 transition count 318
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1614 place count 143 transition count 316
Iterating global reduction 9 with 1 rules applied. Total rules applied 1615 place count 143 transition count 316
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 1651 place count 125 transition count 356
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 9 with 25 rules applied. Total rules applied 1676 place count 125 transition count 331
Discarding 11 places :
Symmetric choice reduction at 10 with 11 rule applications. Total rules 1687 place count 114 transition count 303
Iterating global reduction 10 with 11 rules applied. Total rules applied 1698 place count 114 transition count 303
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1704 place count 114 transition count 297
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 11 with 35 rules applied. Total rules applied 1739 place count 114 transition count 262
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1740 place count 113 transition count 261
Applied a total of 1740 rules in 75 ms. Remains 113 /1571 variables (removed 1458) and now considering 261/2007 (removed 1746) transitions.
[2025-05-30 07:40:21] [INFO ] Flow matrix only has 205 transitions (discarded 56 similar events)
// Phase 1: matrix 205 rows 113 cols
[2025-05-30 07:40:21] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 205 transitions (discarded 56 similar events)
[2025-05-30 07:40:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants and state equation in 118 ms returned [42, 75]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 183 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 111/1571 places, 261/2007 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 109 transition count 259
Applied a total of 1 rules in 9 ms. Remains 109 /111 variables (removed 2) and now considering 259/261 (removed 2) transitions.
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 203 transitions (discarded 56 similar events)
// Phase 1: matrix 203 rows 109 cols
[2025-05-30 07:40:22] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 203 transitions (discarded 56 similar events)
[2025-05-30 07:40:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 109/1571 places, 259/2007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 394 ms. Remains : 109/1571 places, 259/2007 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-04
Stuttering criterion allowed to conclude after 446 steps with 34 reset in 5 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-04 finished in 478 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 1571 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Graph (trivial) has 1915 edges and 1571 vertex of which 692 / 1571 are part of one of the 63 SCC in 1 ms
Free SCC test removed 629 places
Ensure Unique test removed 731 transitions
Reduce isomorphic transitions removed 731 transitions.
Graph (complete) has 1451 edges and 942 vertex of which 933 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 522 transitions
Trivial Post-agglo rules discarded 522 transitions
Performed 522 trivial Post agglomeration. Transition count delta: 522
Iterating post reduction 0 with 522 rules applied. Total rules applied 524 place count 932 transition count 748
Reduce places removed 522 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 546 rules applied. Total rules applied 1070 place count 410 transition count 724
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1082 place count 398 transition count 724
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 45 Pre rules applied. Total rules applied 1082 place count 398 transition count 679
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 3 with 90 rules applied. Total rules applied 1172 place count 353 transition count 679
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 1191 place count 334 transition count 651
Iterating global reduction 3 with 19 rules applied. Total rules applied 1210 place count 334 transition count 651
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 1211 place count 334 transition count 650
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1212 place count 333 transition count 650
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1212 place count 333 transition count 649
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1214 place count 332 transition count 649
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1224 place count 322 transition count 636
Iterating global reduction 5 with 10 rules applied. Total rules applied 1234 place count 322 transition count 636
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1242 place count 322 transition count 628
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1243 place count 321 transition count 628
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1245 place count 319 transition count 624
Iterating global reduction 7 with 2 rules applied. Total rules applied 1247 place count 319 transition count 624
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1248 place count 318 transition count 622
Iterating global reduction 7 with 1 rules applied. Total rules applied 1249 place count 318 transition count 622
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1250 place count 317 transition count 620
Iterating global reduction 7 with 1 rules applied. Total rules applied 1251 place count 317 transition count 620
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1252 place count 316 transition count 618
Iterating global reduction 7 with 1 rules applied. Total rules applied 1253 place count 316 transition count 618
Performed 153 Post agglomeration using F-continuation condition with reduction of 95 identical transitions.
Deduced a syphon composed of 153 places in 0 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 7 with 306 rules applied. Total rules applied 1559 place count 163 transition count 370
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1574 place count 163 transition count 355
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1579 place count 158 transition count 348
Iterating global reduction 8 with 5 rules applied. Total rules applied 1584 place count 158 transition count 348
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1585 place count 157 transition count 346
Iterating global reduction 8 with 1 rules applied. Total rules applied 1586 place count 157 transition count 346
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1587 place count 156 transition count 344
Iterating global reduction 8 with 1 rules applied. Total rules applied 1588 place count 156 transition count 344
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1589 place count 155 transition count 342
Iterating global reduction 8 with 1 rules applied. Total rules applied 1590 place count 155 transition count 342
Performed 10 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 8 with 20 rules applied. Total rules applied 1610 place count 145 transition count 331
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 1621 place count 145 transition count 320
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1622 place count 144 transition count 318
Iterating global reduction 9 with 1 rules applied. Total rules applied 1623 place count 144 transition count 318
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 1659 place count 126 transition count 358
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 9 with 25 rules applied. Total rules applied 1684 place count 126 transition count 333
Discarding 11 places :
Symmetric choice reduction at 10 with 11 rule applications. Total rules 1695 place count 115 transition count 305
Iterating global reduction 10 with 11 rules applied. Total rules applied 1706 place count 115 transition count 305
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1712 place count 115 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 11 with 35 rules applied. Total rules applied 1747 place count 115 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1748 place count 114 transition count 263
Applied a total of 1748 rules in 76 ms. Remains 114 /1571 variables (removed 1457) and now considering 263/2007 (removed 1744) transitions.
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
// Phase 1: matrix 206 rows 114 cols
[2025-05-30 07:40:22] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
[2025-05-30 07:40:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants and state equation in 110 ms returned [43, 76]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 155 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1571 places, 263/2007 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 261
Applied a total of 1 rules in 8 ms. Remains 110 /112 variables (removed 2) and now considering 261/263 (removed 2) transitions.
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
// Phase 1: matrix 204 rows 110 cols
[2025-05-30 07:40:22] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-30 07:40:22] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
[2025-05-30 07:40:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 07:40:22] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1571 places, 261/2007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 357 ms. Remains : 110/1571 places, 261/2007 transitions.
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-05
Stuttering criterion allowed to conclude after 6618 steps with 576 reset in 18 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-05 finished in 416 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0||X((p1&&X(p1))))) U ((!p2&&X((!p0||X((p1&&X(p1))))))||X(G((!p0||X((p1&&X(p1)))))))))'
Support contains 6 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1558 transition count 1993
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1558 transition count 1993
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 28 place count 1558 transition count 1991
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 34 place count 1552 transition count 1984
Iterating global reduction 1 with 6 rules applied. Total rules applied 40 place count 1552 transition count 1984
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 45 place count 1547 transition count 1979
Iterating global reduction 1 with 5 rules applied. Total rules applied 50 place count 1547 transition count 1979
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 51 place count 1547 transition count 1978
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 1543 transition count 1974
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 1543 transition count 1974
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 60 place count 1543 transition count 1973
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 63 place count 1540 transition count 1970
Iterating global reduction 3 with 3 rules applied. Total rules applied 66 place count 1540 transition count 1970
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 69 place count 1537 transition count 1967
Iterating global reduction 3 with 3 rules applied. Total rules applied 72 place count 1537 transition count 1967
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 75 place count 1534 transition count 1964
Iterating global reduction 3 with 3 rules applied. Total rules applied 78 place count 1534 transition count 1964
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 80 place count 1532 transition count 1962
Iterating global reduction 3 with 2 rules applied. Total rules applied 82 place count 1532 transition count 1962
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 84 place count 1530 transition count 1958
Iterating global reduction 3 with 2 rules applied. Total rules applied 86 place count 1530 transition count 1958
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 87 place count 1529 transition count 1956
Iterating global reduction 3 with 1 rules applied. Total rules applied 88 place count 1529 transition count 1956
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 89 place count 1528 transition count 1955
Iterating global reduction 3 with 1 rules applied. Total rules applied 90 place count 1528 transition count 1955
Applied a total of 90 rules in 725 ms. Remains 1528 /1571 variables (removed 43) and now considering 1955/2007 (removed 52) transitions.
// Phase 1: matrix 1955 rows 1528 cols
[2025-05-30 07:40:23] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:23] [INFO ] Implicit Places using invariants in 235 ms returned []
[2025-05-30 07:40:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:40:24] [INFO ] Implicit Places using invariants and state equation in 998 ms returned []
Implicit Place search using SMT with State Equation took 1235 ms to find 0 implicit places.
Running 1954 sub problems to find dead transitions.
[2025-05-30 07:40:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1527 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1954 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1527/3483 variables, and 4 constraints, problems are : Problem set: 0 solved, 1954 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1528 constraints, PredecessorRefiner: 1954/1954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1954 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1527 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1954 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1527/3483 variables, and 4 constraints, problems are : Problem set: 0 solved, 1954 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1528 constraints, PredecessorRefiner: 0/1954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60434ms problems are : Problem set: 0 solved, 1954 unsolved
Search for dead transitions found 0 dead transitions in 60438ms
Starting structural reductions in LTL mode, iteration 1 : 1528/1571 places, 1955/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62411 ms. Remains : 1528/1571 places, 1955/2007 transitions.
Stuttering acceptance computed with spot in 335 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1), true, (NOT p1), (AND p0 (NOT p1)), (AND (NOT p1) p0), (AND p0 (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 376 ms.
Product exploration explored 100000 steps with 50000 reset in 381 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2133 edges and 1528 vertex of which 1519 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT (AND p2 (NOT p1)))), (X p1), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT p0)), (X (NOT (AND p2 p0))), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p1)), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT (AND p2 p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 18 ms. Reduced automaton from 8 states, 18 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-309-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-309-LTLFireability-08 finished in 63561 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(!p0))))'
Support contains 1 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1555 transition count 1990
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1555 transition count 1990
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1555 transition count 1988
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 43 place count 1546 transition count 1977
Iterating global reduction 1 with 9 rules applied. Total rules applied 52 place count 1546 transition count 1977
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 60 place count 1538 transition count 1968
Iterating global reduction 1 with 8 rules applied. Total rules applied 68 place count 1538 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 69 place count 1538 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 76 place count 1531 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 83 place count 1531 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 84 place count 1531 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 89 place count 1526 transition count 1954
Iterating global reduction 3 with 5 rules applied. Total rules applied 94 place count 1526 transition count 1954
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 99 place count 1521 transition count 1948
Iterating global reduction 3 with 5 rules applied. Total rules applied 104 place count 1521 transition count 1948
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 109 place count 1516 transition count 1942
Iterating global reduction 3 with 5 rules applied. Total rules applied 114 place count 1516 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 118 place count 1512 transition count 1938
Iterating global reduction 3 with 4 rules applied. Total rules applied 122 place count 1512 transition count 1938
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 123 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 126 place count 1509 transition count 1932
Iterating global reduction 4 with 3 rules applied. Total rules applied 129 place count 1509 transition count 1932
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 1507 transition count 1929
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 1506 transition count 1928
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 1506 transition count 1928
Applied a total of 135 rules in 717 ms. Remains 1506 /1571 variables (removed 65) and now considering 1928/2007 (removed 79) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 07:41:27] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:41:27] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-05-30 07:41:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:41:28] [INFO ] Implicit Places using invariants and state equation in 961 ms returned []
Implicit Place search using SMT with State Equation took 1172 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 07:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60394ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60396ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1571 places, 1928/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62297 ms. Remains : 1506/1571 places, 1928/2007 transitions.
Stuttering acceptance computed with spot in 145 ms :[true, false, false, p0]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-09
Product exploration explored 100000 steps with 699 reset in 222 ms.
Entered a terminal (fully accepting) state of product in 526 steps with 2 reset in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-09 finished in 62685 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(p1) U p2))) U X(p3))))'
Support contains 4 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1557 transition count 1992
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1557 transition count 1992
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 29 place count 1557 transition count 1991
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 37 place count 1549 transition count 1982
Iterating global reduction 1 with 8 rules applied. Total rules applied 45 place count 1549 transition count 1982
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 53 place count 1541 transition count 1973
Iterating global reduction 1 with 8 rules applied. Total rules applied 61 place count 1541 transition count 1973
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 62 place count 1541 transition count 1972
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 69 place count 1534 transition count 1965
Iterating global reduction 2 with 7 rules applied. Total rules applied 76 place count 1534 transition count 1965
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 1534 transition count 1964
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 82 place count 1529 transition count 1959
Iterating global reduction 3 with 5 rules applied. Total rules applied 87 place count 1529 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 92 place count 1524 transition count 1953
Iterating global reduction 3 with 5 rules applied. Total rules applied 97 place count 1524 transition count 1953
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 102 place count 1519 transition count 1947
Iterating global reduction 3 with 5 rules applied. Total rules applied 107 place count 1519 transition count 1947
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 111 place count 1515 transition count 1943
Iterating global reduction 3 with 4 rules applied. Total rules applied 115 place count 1515 transition count 1943
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 116 place count 1515 transition count 1942
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 119 place count 1512 transition count 1937
Iterating global reduction 4 with 3 rules applied. Total rules applied 122 place count 1512 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 124 place count 1510 transition count 1934
Iterating global reduction 4 with 2 rules applied. Total rules applied 126 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 127 place count 1509 transition count 1933
Iterating global reduction 4 with 1 rules applied. Total rules applied 128 place count 1509 transition count 1933
Applied a total of 128 rules in 705 ms. Remains 1509 /1571 variables (removed 62) and now considering 1933/2007 (removed 74) transitions.
// Phase 1: matrix 1933 rows 1509 cols
[2025-05-30 07:42:29] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:42:29] [INFO ] Implicit Places using invariants in 219 ms returned []
[2025-05-30 07:42:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:42:30] [INFO ] Implicit Places using invariants and state equation in 912 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2025-05-30 07:42:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60396ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60400ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1571 places, 1933/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62247 ms. Remains : 1509/1571 places, 1933/2007 transitions.
Stuttering acceptance computed with spot in 375 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), (AND p2 (NOT p1) (NOT p3)), true, (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-10 finished in 62657 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)))'
Support contains 2 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1556 transition count 1991
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1556 transition count 1991
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1556 transition count 1989
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 41 place count 1547 transition count 1978
Iterating global reduction 1 with 9 rules applied. Total rules applied 50 place count 1547 transition count 1978
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 58 place count 1539 transition count 1969
Iterating global reduction 1 with 8 rules applied. Total rules applied 66 place count 1539 transition count 1969
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 67 place count 1539 transition count 1968
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 74 place count 1532 transition count 1961
Iterating global reduction 2 with 7 rules applied. Total rules applied 81 place count 1532 transition count 1961
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 82 place count 1532 transition count 1960
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 87 place count 1527 transition count 1955
Iterating global reduction 3 with 5 rules applied. Total rules applied 92 place count 1527 transition count 1955
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 97 place count 1522 transition count 1949
Iterating global reduction 3 with 5 rules applied. Total rules applied 102 place count 1522 transition count 1949
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 107 place count 1517 transition count 1943
Iterating global reduction 3 with 5 rules applied. Total rules applied 112 place count 1517 transition count 1943
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 116 place count 1513 transition count 1939
Iterating global reduction 3 with 4 rules applied. Total rules applied 120 place count 1513 transition count 1939
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 121 place count 1513 transition count 1938
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 124 place count 1510 transition count 1933
Iterating global reduction 4 with 3 rules applied. Total rules applied 127 place count 1510 transition count 1933
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 129 place count 1508 transition count 1930
Iterating global reduction 4 with 2 rules applied. Total rules applied 131 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 132 place count 1507 transition count 1929
Iterating global reduction 4 with 1 rules applied. Total rules applied 133 place count 1507 transition count 1929
Applied a total of 133 rules in 702 ms. Remains 1507 /1571 variables (removed 64) and now considering 1929/2007 (removed 78) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2025-05-30 07:43:32] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:43:32] [INFO ] Implicit Places using invariants in 211 ms returned []
[2025-05-30 07:43:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:43:33] [INFO ] Implicit Places using invariants and state equation in 889 ms returned []
Implicit Place search using SMT with State Equation took 1103 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2025-05-30 07:43:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60398ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60402ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1571 places, 1929/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62217 ms. Remains : 1507/1571 places, 1929/2007 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-12 finished in 62313 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(F((p0||G(p1))))))'
Support contains 2 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1555 transition count 1990
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1555 transition count 1990
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1555 transition count 1988
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 43 place count 1546 transition count 1977
Iterating global reduction 1 with 9 rules applied. Total rules applied 52 place count 1546 transition count 1977
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 60 place count 1538 transition count 1968
Iterating global reduction 1 with 8 rules applied. Total rules applied 68 place count 1538 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 69 place count 1538 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 76 place count 1531 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 83 place count 1531 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 84 place count 1531 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 89 place count 1526 transition count 1954
Iterating global reduction 3 with 5 rules applied. Total rules applied 94 place count 1526 transition count 1954
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 99 place count 1521 transition count 1948
Iterating global reduction 3 with 5 rules applied. Total rules applied 104 place count 1521 transition count 1948
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 109 place count 1516 transition count 1942
Iterating global reduction 3 with 5 rules applied. Total rules applied 114 place count 1516 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 118 place count 1512 transition count 1938
Iterating global reduction 3 with 4 rules applied. Total rules applied 122 place count 1512 transition count 1938
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 123 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 126 place count 1509 transition count 1932
Iterating global reduction 4 with 3 rules applied. Total rules applied 129 place count 1509 transition count 1932
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 1507 transition count 1929
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 1506 transition count 1928
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 1506 transition count 1928
Applied a total of 135 rules in 700 ms. Remains 1506 /1571 variables (removed 65) and now considering 1928/2007 (removed 79) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 07:44:34] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:44:34] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-05-30 07:44:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:44:35] [INFO ] Implicit Places using invariants and state equation in 865 ms returned []
Implicit Place search using SMT with State Equation took 1077 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 07:44:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60408ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60410ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1571 places, 1928/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62196 ms. Remains : 1506/1571 places, 1928/2007 transitions.
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-13
Stuttering criterion allowed to conclude after 179 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-309-LTLFireability-13 finished in 62322 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((p1&&X((p1 U (p2||G(p1))))))))))'
Support contains 3 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1556 transition count 1991
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1556 transition count 1991
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1556 transition count 1989
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 40 place count 1548 transition count 1979
Iterating global reduction 1 with 8 rules applied. Total rules applied 48 place count 1548 transition count 1979
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 55 place count 1541 transition count 1971
Iterating global reduction 1 with 7 rules applied. Total rules applied 62 place count 1541 transition count 1971
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 63 place count 1541 transition count 1970
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 69 place count 1535 transition count 1964
Iterating global reduction 2 with 6 rules applied. Total rules applied 75 place count 1535 transition count 1964
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 76 place count 1535 transition count 1963
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 80 place count 1531 transition count 1959
Iterating global reduction 3 with 4 rules applied. Total rules applied 84 place count 1531 transition count 1959
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 88 place count 1527 transition count 1954
Iterating global reduction 3 with 4 rules applied. Total rules applied 92 place count 1527 transition count 1954
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 96 place count 1523 transition count 1949
Iterating global reduction 3 with 4 rules applied. Total rules applied 100 place count 1523 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 103 place count 1520 transition count 1946
Iterating global reduction 3 with 3 rules applied. Total rules applied 106 place count 1520 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 107 place count 1520 transition count 1945
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 109 place count 1518 transition count 1942
Iterating global reduction 4 with 2 rules applied. Total rules applied 111 place count 1518 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 112 place count 1517 transition count 1941
Iterating global reduction 4 with 1 rules applied. Total rules applied 113 place count 1517 transition count 1941
Applied a total of 113 rules in 643 ms. Remains 1517 /1571 variables (removed 54) and now considering 1941/2007 (removed 66) transitions.
// Phase 1: matrix 1941 rows 1517 cols
[2025-05-30 07:45:36] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:45:37] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-05-30 07:45:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:45:38] [INFO ] Implicit Places using invariants and state equation in 860 ms returned []
Implicit Place search using SMT with State Equation took 1072 ms to find 0 implicit places.
Running 1940 sub problems to find dead transitions.
[2025-05-30 07:45:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s121 0.0)
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(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
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(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 timeout
0.0)
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1516 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1940 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1516/3458 variables, and 4 constraints, problems are : Problem set: 0 solved, 1940 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1517 constraints, PredecessorRefiner: 1940/1940 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1940 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1516 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1940 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1516/3458 variables, and 4 constraints, problems are : Problem set: 0 solved, 1940 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1517 constraints, PredecessorRefiner: 0/1940 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60408ms problems are : Problem set: 0 solved, 1940 unsolved
Search for dead transitions found 0 dead transitions in 60412ms
Starting structural reductions in LTL mode, iteration 1 : 1517/1571 places, 1941/2007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62134 ms. Remains : 1517/1571 places, 1941/2007 transitions.
Stuttering acceptance computed with spot in 287 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-15
Product exploration explored 100000 steps with 25000 reset in 251 ms.
Product exploration explored 100000 steps with 25000 reset in 239 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2119 edges and 1517 vertex of which 1508 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p1 p0 p2), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 75 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 6 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 220 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (281 resets) in 160 ms. (248 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (80 resets) in 46 ms. (851 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (42 resets) in 168 ms. (236 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (41 resets) in 63 ms. (625 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (71 resets) in 44 ms. (888 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (42 resets) in 41 ms. (952 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (38 resets) in 30 ms. (1290 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (42 resets) in 30 ms. (1290 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 313705 steps, run timeout after 3001 ms. (steps per millisecond=104 ) properties seen :0 out of 7
Probabilistic random walk after 313705 steps, saw 77151 distinct states, run finished after 3001 ms. (steps per millisecond=104 ) properties seen :0
[2025-05-30 07:46:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 701/704 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/704 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 802/1506 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1506 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1931/3437 variables, 1506/1510 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 2/3447 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 0.0)
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(s240 0.0)
(s241 0.0)
(s242 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3447/3458 variables, and 1515 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5013 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1517 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 701/704 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/704 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 802/1506 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1506 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1931/3437 variables, 1506/1510 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3437 variables, 7/1517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3437 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 2/3439 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3439 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 2/3441 variables, 1/1519 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 0)
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(s100 0)
(s101 0)
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(s103 0)
(s104 0)
(s105 0)
(s106 0)
(s107 0)
(s108 0)
(s109 0)
(s110 32)
(s111 0)
(s112 0)
(s113 0)
(s114 0)
(s115 0)
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(s117 0)
(s118 0)
(s119 0)
(s120 0)
(s121 0)
(s122 0)
(s123 0)
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(s125 0)
(s126 0)
(s127 0)
(s128 0)
(s129 0)
(s130 0)
(s131 0)
(s132 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3441/3458 variables, and 1519 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5023 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1508/1517 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10047ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1517 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1517/1517 places, 1941/1941 transitions.
Graph (trivial) has 1844 edges and 1517 vertex of which 693 / 1517 are part of one of the 63 SCC in 1 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 796 transitions
Reduce isomorphic transitions removed 796 transitions.
Graph (complete) has 1318 edges and 887 vertex of which 878 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 493 transitions
Trivial Post-agglo rules discarded 493 transitions
Performed 493 trivial Post agglomeration. Transition count delta: 493
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 878 transition count 642
Reduce places removed 493 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 553 rules applied. Total rules applied 1054 place count 385 transition count 582
Reduce places removed 39 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 42 rules applied. Total rules applied 1096 place count 346 transition count 579
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1099 place count 343 transition count 579
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 49 Pre rules applied. Total rules applied 1099 place count 343 transition count 530
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 4 with 98 rules applied. Total rules applied 1197 place count 294 transition count 530
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1208 place count 283 transition count 514
Iterating global reduction 4 with 11 rules applied. Total rules applied 1219 place count 283 transition count 514
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 4 with 3 rules applied. Total rules applied 1222 place count 283 transition count 511
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1225 place count 280 transition count 511
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 1233 place count 272 transition count 501
Iterating global reduction 6 with 8 rules applied. Total rules applied 1241 place count 272 transition count 501
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1247 place count 272 transition count 495
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1249 place count 270 transition count 483
Iterating global reduction 7 with 2 rules applied. Total rules applied 1251 place count 270 transition count 483
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 1 rules applied. Total rules applied 1252 place count 270 transition count 482
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1253 place count 269 transition count 482
Performed 142 Post agglomeration using F-continuation condition with reduction of 98 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 9 with 284 rules applied. Total rules applied 1537 place count 127 transition count 242
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 12 rules applied. Total rules applied 1549 place count 127 transition count 230
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1551 place count 126 transition count 229
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 1554 place count 123 transition count 226
Iterating global reduction 11 with 3 rules applied. Total rules applied 1557 place count 123 transition count 226
Performed 12 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 11 with 24 rules applied. Total rules applied 1581 place count 111 transition count 211
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 11 with 10 rules applied. Total rules applied 1591 place count 111 transition count 201
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 12 with 66 rules applied. Total rules applied 1657 place count 78 transition count 232
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 12 with 27 rules applied. Total rules applied 1684 place count 78 transition count 205
Discarding 21 places :
Symmetric choice reduction at 13 with 21 rule applications. Total rules 1705 place count 57 transition count 163
Iterating global reduction 13 with 21 rules applied. Total rules applied 1726 place count 57 transition count 163
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 13 with 12 rules applied. Total rules applied 1738 place count 57 transition count 151
Discarding 6 places :
Symmetric choice reduction at 14 with 6 rule applications. Total rules 1744 place count 51 transition count 139
Iterating global reduction 14 with 6 rules applied. Total rules applied 1750 place count 51 transition count 139
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1756 place count 51 transition count 133
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1758 place count 51 transition count 131
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1759 place count 51 transition count 131
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1760 place count 50 transition count 130
Applied a total of 1760 rules in 41 ms. Remains 50 /1517 variables (removed 1467) and now considering 130/1941 (removed 1811) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 50/1517 places, 130/1941 transitions.
RANDOM walk for 40000 steps (4239 resets) in 108 ms. (366 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40003 steps (601 resets) in 31 ms. (1250 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (589 resets) in 26 ms. (1481 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (589 resets) in 34 ms. (1142 steps per ms) remains 3/3 properties
[2025-05-30 07:46:52] [INFO ] Flow matrix only has 117 transitions (discarded 13 similar events)
// Phase 1: matrix 117 rows 50 cols
[2025-05-30 07:46:52] [INFO ] Computed 3 invariants in 0 ms
[2025-05-30 07:46:52] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
Problem apf4 is UNSAT
After SMT solving in domain Real declared 17/167 variables, and 1 constraints, problems are : Problem set: 3 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 1/3 constraints, State Equation: 0/50 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p1 p0 p2), (X (X p1)), (G (OR p1 p2)), (G (OR p0 p1 p2)), (G (OR p0 (NOT p1) p2))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p2))), (F (NOT p1)), (F (NOT p0)), (F (NOT p2))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 17 ms. Reduced automaton from 6 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-309-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-309-LTLFireability-15 finished in 76699 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||X(X(F((p1&&X(G((p1||G(p2)))))))))))'
Found a Shortening insensitive property : CloudReconfiguration-PT-309-LTLFireability-01
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 2 out of 1571 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1571/1571 places, 2007/2007 transitions.
Graph (trivial) has 1913 edges and 1571 vertex of which 683 / 1571 are part of one of the 62 SCC in 2 ms
Free SCC test removed 621 places
Ensure Unique test removed 720 transitions
Reduce isomorphic transitions removed 720 transitions.
Graph (complete) has 1462 edges and 950 vertex of which 941 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 523 transitions
Trivial Post-agglo rules discarded 523 transitions
Performed 523 trivial Post agglomeration. Transition count delta: 523
Iterating post reduction 0 with 523 rules applied. Total rules applied 525 place count 940 transition count 758
Reduce places removed 523 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 549 rules applied. Total rules applied 1074 place count 417 transition count 732
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 15 rules applied. Total rules applied 1089 place count 404 transition count 730
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1092 place count 403 transition count 728
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 1096 place count 402 transition count 725
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 3 rules applied. Total rules applied 1099 place count 400 transition count 724
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1100 place count 399 transition count 724
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 46 Pre rules applied. Total rules applied 1100 place count 399 transition count 678
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 7 with 92 rules applied. Total rules applied 1192 place count 353 transition count 678
Discarding 18 places :
Symmetric choice reduction at 7 with 18 rule applications. Total rules 1210 place count 335 transition count 652
Iterating global reduction 7 with 18 rules applied. Total rules applied 1228 place count 335 transition count 652
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 1 rules applied. Total rules applied 1229 place count 335 transition count 651
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1230 place count 334 transition count 651
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 1230 place count 334 transition count 650
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 1232 place count 333 transition count 650
Discarding 10 places :
Symmetric choice reduction at 9 with 10 rule applications. Total rules 1242 place count 323 transition count 637
Iterating global reduction 9 with 10 rules applied. Total rules applied 1252 place count 323 transition count 637
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 8 rules applied. Total rules applied 1260 place count 323 transition count 629
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1261 place count 322 transition count 629
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 1263 place count 320 transition count 625
Iterating global reduction 11 with 2 rules applied. Total rules applied 1265 place count 320 transition count 625
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1266 place count 319 transition count 623
Iterating global reduction 11 with 1 rules applied. Total rules applied 1267 place count 319 transition count 623
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1268 place count 318 transition count 621
Iterating global reduction 11 with 1 rules applied. Total rules applied 1269 place count 318 transition count 621
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1270 place count 317 transition count 619
Iterating global reduction 11 with 1 rules applied. Total rules applied 1271 place count 317 transition count 619
Performed 152 Post agglomeration using F-continuation condition with reduction of 94 identical transitions.
Deduced a syphon composed of 152 places in 0 ms
Reduce places removed 152 places and 0 transitions.
Iterating global reduction 11 with 304 rules applied. Total rules applied 1575 place count 165 transition count 373
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 1590 place count 165 transition count 358
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 1594 place count 161 transition count 353
Iterating global reduction 12 with 4 rules applied. Total rules applied 1598 place count 161 transition count 353
Performed 10 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 12 with 20 rules applied. Total rules applied 1618 place count 151 transition count 342
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 12 with 11 rules applied. Total rules applied 1629 place count 151 transition count 331
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 1630 place count 150 transition count 329
Iterating global reduction 13 with 1 rules applied. Total rules applied 1631 place count 150 transition count 329
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -39
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 13 with 40 rules applied. Total rules applied 1671 place count 130 transition count 368
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 13 with 24 rules applied. Total rules applied 1695 place count 130 transition count 344
Discarding 10 places :
Symmetric choice reduction at 14 with 10 rule applications. Total rules 1705 place count 120 transition count 321
Iterating global reduction 14 with 10 rules applied. Total rules applied 1715 place count 120 transition count 321
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1721 place count 120 transition count 315
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1722 place count 119 transition count 314
Applied a total of 1722 rules in 69 ms. Remains 119 /1571 variables (removed 1452) and now considering 314/2007 (removed 1693) transitions.
[2025-05-30 07:46:53] [INFO ] Flow matrix only has 256 transitions (discarded 58 similar events)
// Phase 1: matrix 256 rows 119 cols
[2025-05-30 07:46:53] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:46:53] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-05-30 07:46:53] [INFO ] Flow matrix only has 256 transitions (discarded 58 similar events)
[2025-05-30 07:46:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:46:53] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 07:46:53] [INFO ] Implicit Places using invariants and state equation in 115 ms returned [48, 81]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 180 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 117/1571 places, 314/2007 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 115 transition count 312
Applied a total of 1 rules in 7 ms. Remains 115 /117 variables (removed 2) and now considering 312/314 (removed 2) transitions.
[2025-05-30 07:46:53] [INFO ] Flow matrix only has 254 transitions (discarded 58 similar events)
// Phase 1: matrix 254 rows 115 cols
[2025-05-30 07:46:53] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:46:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 07:46:53] [INFO ] Flow matrix only has 254 transitions (discarded 58 similar events)
[2025-05-30 07:46:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 07:46:53] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 07:46:53] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 115/1571 places, 312/2007 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 396 ms. Remains : 115/1571 places, 312/2007 transitions.
Running random walk in product with property : CloudReconfiguration-PT-309-LTLFireability-01
Stuttering criterion allowed to conclude after 1053 steps with 89 reset in 2 ms.
Treatment of property CloudReconfiguration-PT-309-LTLFireability-01 finished in 772 ms.
Length sensitive decision was in the wrong direction : Shortening insensitive + false
[2025-05-30 07:46:53] [INFO ] Flatten gal took : 38 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin1624350289494912999
[2025-05-30 07:46:53] [INFO ] Too many transitions (2007) to apply POR reductions. Disabling POR matrices.
[2025-05-30 07:46:53] [INFO ] Applying decomposition
[2025-05-30 07:46:53] [INFO ] Built C files in 34ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1624350289494912999
Running compilation step : cd /tmp/ltsmin1624350289494912999;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2025-05-30 07:46:53] [INFO ] Flatten gal took : 49 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5509121295589160670.txt' '-o' '/tmp/graph5509121295589160670.bin' '-w' '/tmp/graph5509121295589160670.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5509121295589160670.bin' '-l' '-1' '-v' '-w' '/tmp/graph5509121295589160670.weights' '-q' '0' '-e' '0.001'
[2025-05-30 07:46:54] [INFO ] Decomposing Gal with order
[2025-05-30 07:46:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 07:46:54] [INFO ] Removed a total of 532 redundant transitions.
[2025-05-30 07:46:54] [INFO ] Flatten gal took : 86 ms
[2025-05-30 07:46:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 49 labels/synchronizations in 40 ms.
[2025-05-30 07:46:54] [INFO ] Time to serialize gal into /tmp/LTLFireability12397060502083810996.gal : 19 ms
[2025-05-30 07:46:54] [INFO ] Time to serialize properties into /tmp/LTLFireability12112598298818535435.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability12397060502083810996.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12112598298818535435.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 1 LTL properties
Checking formula 0 : !((G(("(i4.i0.i1.u30.p165==0)")||(X(X(F(("(i4.i0.i1.u30.p165!=1)")&&(X(G(("(i4.i0.i1.u30.p165!=1)")||(G("(i18.i0.i7.u289.p1216!=1)")))...164
Formula 0 simplified : F(!"(i4.i0.i1.u30.p165==0)" & XXG(!"(i4.i0.i1.u30.p165!=1)" | XF(!"(i4.i0.i1.u30.p165!=1)" & F!"(i18.i0.i7.u289.p1216!=1)")))
Compilation finished in 3603 ms.
Running link step : cd /tmp/ltsmin1624350289494912999;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin1624350289494912999;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '[](((LTLAPp0==true)||X(X(<>(((LTLAPp1==true)&&X([](((LTLAPp1==true)||[]((LTLAPp2==true)))))))))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t26, t181, t210, t262, t322, t371, t442, t491, t494, t679, t779, t791, t869, t940, t991, t107...2346
Computing Next relation with stutter on 160144 deadlock states
LTSmin run took 78240 ms.
FORMULA CloudReconfiguration-PT-309-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 1060402 ms.

BK_STOP 1748591295944

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-309"
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 CloudReconfiguration-PT-309, 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 r044-tall-174854028100276"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-309.tgz
mv CloudReconfiguration-PT-309 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 ;