About the Execution of ITS-Tools for GPUForwardProgress-PT-24b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1044659.00 | 0.00 | 0.00 | FFTFFFFFFFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867008000468.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 GPUForwardProgress-PT-24b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867008000468
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K 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 122K 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 GPUForwardProgress-PT-24b-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-24b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748969855057
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-24b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 16:57:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 16:57:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 16:57:38] [INFO ] Load time of PNML (sax parser for PT used): 203 ms
[2025-06-03 16:57:38] [INFO ] Transformed 492 places.
[2025-06-03 16:57:38] [INFO ] Transformed 517 transitions.
[2025-06-03 16:57:38] [INFO ] Found NUPN structural information;
[2025-06-03 16:57:38] [INFO ] Parsed PT model containing 492 places and 517 transitions and 1277 arcs in 406 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-24b-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 492 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 492/492 places, 517/517 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 491 transition count 517
Discarding 51 places :
Symmetric choice reduction at 1 with 51 rule applications. Total rules 52 place count 440 transition count 466
Iterating global reduction 1 with 51 rules applied. Total rules applied 103 place count 440 transition count 466
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 125 place count 418 transition count 444
Iterating global reduction 1 with 22 rules applied. Total rules applied 147 place count 418 transition count 444
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 166 place count 418 transition count 425
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 167 place count 417 transition count 424
Iterating global reduction 2 with 1 rules applied. Total rules applied 168 place count 417 transition count 424
Applied a total of 168 rules in 204 ms. Remains 417 /492 variables (removed 75) and now considering 424/517 (removed 93) transitions.
// Phase 1: matrix 424 rows 417 cols
[2025-06-03 16:57:38] [INFO ] Computed 25 invariants in 44 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:57:39] [INFO ] Implicit Places using invariants in 563 ms returned []
[2025-06-03 16:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:57:39] [INFO ] Implicit Places using invariants and state equation in 649 ms returned []
Implicit Place search using SMT with State Equation took 1266 ms to find 0 implicit places.
Running 423 sub problems to find dead transitions.
[2025-06-03 16:57:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (OVERLAPS) 424/840 variables, 416/441 constraints. Problems are: Problem set: 0 solved, 423 unsolved
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 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 0.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 2.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 2.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 3.0)
(s103 5.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 6.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 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 Real declared 840/841 variables, and 441 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 416/417 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 423 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (OVERLAPS) 424/840 variables, 416/441 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/840 variables, 423/864 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/840 variables, 0/864 constraints. Problems are: Problem set: 0 solved, 423 unsolved
SMT process timed out in 60385ms, After SMT, problems are : Problem set: 0 solved, 423 unsolved
Search for dead transitions found 0 dead transitions in 60477ms
Starting structural reductions in LTL mode, iteration 1 : 417/492 places, 424/517 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61993 ms. Remains : 417/492 places, 424/517 transitions.
Support contains 32 out of 417 places after structural reductions.
[2025-06-03 16:58:40] [INFO ] Flatten gal took : 113 ms
[2025-06-03 16:58:40] [INFO ] Flatten gal took : 55 ms
[2025-06-03 16:58:41] [INFO ] Input system was already deterministic with 424 transitions.
Support contains 31 out of 417 places (down from 32) after GAL structural reductions.
RANDOM walk for 40000 steps (186 resets) in 2771 ms. (14 steps per ms) remains 2/28 properties
BEST_FIRST walk for 40004 steps (22 resets) in 190 ms. (209 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (22 resets) in 148 ms. (268 steps per ms) remains 1/2 properties
[2025-06-03 16:58:42] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/64 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 352/416 variables, 23/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/416 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 424/840 variables, 416/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/840 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/841 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/841 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/841 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 841/841 variables, and 442 constraints, problems are : Problem set: 0 solved, 1 unsolved in 350 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 417/417 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 62/64 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 352/416 variables, 23/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/416 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 424/840 variables, 416/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/840 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/840 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/841 variables, 1/443 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/841 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/841 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 841/841 variables, and 443 constraints, problems are : Problem set: 0 solved, 1 unsolved in 490 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 417/417 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 870ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2198 steps, including 12 resets, run visited all 1 properties in 16 ms. (steps per millisecond=137 )
Parikh walk visited 1 properties in 23 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 78 stabilizing places and 78 stable transitions
Graph (complete) has 649 edges and 417 vertex of which 389 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.15 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||X((F(p1)&&(G(p2)||(p2&&F(p3)))))))))'
Support contains 4 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 412 transition count 419
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 412 transition count 419
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 412 transition count 417
Applied a total of 12 rules in 34 ms. Remains 412 /417 variables (removed 5) and now considering 417/424 (removed 7) transitions.
// Phase 1: matrix 417 rows 412 cols
[2025-06-03 16:58:43] [INFO ] Computed 25 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:58:44] [INFO ] Implicit Places using invariants in 266 ms returned []
[2025-06-03 16:58:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:58:44] [INFO ] Implicit Places using invariants and state equation in 696 ms returned []
Implicit Place search using SMT with State Equation took 967 ms to find 0 implicit places.
Running 416 sub problems to find dead transitions.
[2025-06-03 16:58:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/829 variables, and 436 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 416 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/828 variables, 416/852 constraints. Problems are: Problem set: 0 solved, 416 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 828/829 variables, and 852 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60228ms problems are : Problem set: 0 solved, 416 unsolved
Search for dead transitions found 0 dead transitions in 60233ms
Starting structural reductions in LTL mode, iteration 1 : 412/417 places, 417/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61238 ms. Remains : 412/417 places, 417/424 transitions.
Stuttering acceptance computed with spot in 768 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-00
Product exploration explored 100000 steps with 483 reset in 617 ms.
Product exploration explored 100000 steps with 478 reset in 383 ms.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 642 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.8 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND p0 p2 p1 p3), (X p3), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p2 (NOT p3)))), (X p0), (X p2), (X p1), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p3))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 225 ms. Reduced automaton from 7 states, 21 edges and 4 AP (stutter sensitive) to 7 states, 21 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 336 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
RANDOM walk for 40000 steps (191 resets) in 610 ms. (65 steps per ms) remains 11/17 properties
BEST_FIRST walk for 40004 steps (24 resets) in 175 ms. (227 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (19 resets) in 128 ms. (310 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (19 resets) in 131 ms. (303 steps per ms) remains 9/11 properties
BEST_FIRST walk for 40004 steps (22 resets) in 117 ms. (339 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (23 resets) in 154 ms. (258 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (17 resets) in 121 ms. (327 steps per ms) remains 7/9 properties
BEST_FIRST walk for 40004 steps (20 resets) in 69 ms. (571 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (22 resets) in 100 ms. (396 steps per ms) remains 7/7 properties
[2025-06-03 16:59:47] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 318/411 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/829 variables, 1/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/829 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/829 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 829/829 variables, and 437 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1194 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 412/412 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 318/411 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 7/443 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/828 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/829 variables, 1/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/829 variables, 0/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/829 variables, 0/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 829/829 variables, and 444 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1840 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 412/412 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3059ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1154 steps, including 6 resets, run visited all 7 properties in 9 ms. (steps per millisecond=128 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 7 properties in 10 ms.
Knowledge obtained : [(AND p0 p2 p1 p3), (X p3), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p2 (NOT p3)))), (X p0), (X p2), (X p1), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p3))))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p2)), (F (NOT (OR (NOT p2) p1 p3))), (F (NOT (OR p0 p1 p3))), (F (NOT (OR p0 p3))), (F (NOT (OR (NOT p0) (NOT p2) p3))), (F (NOT (OR p0 (NOT p2) p3))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 p3))), (F (NOT (OR (NOT p2) p3))), (F (NOT p0)), (F (NOT (OR (NOT p2) p1))), (F (NOT (OR p0 p2))), (F (NOT p1)), (F (NOT p3)), (F (NOT (OR (NOT p0) p1 p3))), (F (NOT (OR p0 p2 p3)))]
Knowledge based reduction with 21 factoid took 1246 ms. Reduced automaton from 7 states, 21 edges and 4 AP (stutter sensitive) to 7 states, 21 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 434 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 436 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Support contains 4 out of 412 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 412/412 places, 417/417 transitions.
Applied a total of 0 rules in 31 ms. Remains 412 /412 variables (removed 0) and now considering 417/417 (removed 0) transitions.
[2025-06-03 16:59:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:59:53] [INFO ] Implicit Places using invariants in 226 ms returned []
[2025-06-03 16:59:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:59:54] [INFO ] Implicit Places using invariants and state equation in 648 ms returned []
Implicit Place search using SMT with State Equation took 878 ms to find 0 implicit places.
Running 416 sub problems to find dead transitions.
[2025-06-03 16:59:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
Error getting values : (error "ParserException while parsing response: (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 Real declared 828/829 variables, and 436 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 416 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/828 variables, 416/852 constraints. Problems are: Problem set: 0 solved, 416 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 828/829 variables, and 852 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60153ms problems are : Problem set: 0 solved, 416 unsolved
Search for dead transitions found 0 dead transitions in 60160ms
Finished structural reductions in LTL mode , in 1 iterations and 61071 ms. Remains : 412/412 places, 417/417 transitions.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 642 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.12 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND p0 p2 p1 p3), (X (NOT (AND p2 (NOT p1)))), (X p3), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p2 (NOT p3)))), (X p0), (X p2), (X p1), (X (X (NOT (AND p2 (NOT p1))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p3))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 297 ms. Reduced automaton from 7 states, 21 edges and 4 AP (stutter sensitive) to 7 states, 21 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 382 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
RANDOM walk for 40000 steps (192 resets) in 507 ms. (78 steps per ms) remains 9/17 properties
BEST_FIRST walk for 40003 steps (19 resets) in 92 ms. (430 steps per ms) remains 7/9 properties
BEST_FIRST walk for 40004 steps (19 resets) in 85 ms. (465 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (18 resets) in 98 ms. (404 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (20 resets) in 114 ms. (347 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (20 resets) in 127 ms. (312 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (21 resets) in 155 ms. (256 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (23 resets) in 159 ms. (250 steps per ms) remains 7/7 properties
[2025-06-03 17:00:55] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 318/411 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/829 variables, 1/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/829 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/829 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 829/829 variables, and 437 constraints, problems are : Problem set: 0 solved, 7 unsolved in 953 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 412/412 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 318/411 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 7/443 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/828 variables, 0/443 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/829 variables, 1/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/829 variables, 0/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/829 variables, 0/444 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 829/829 variables, and 444 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1859 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 412/412 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2826ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1880 steps, including 12 resets, run visited all 7 properties in 38 ms. (steps per millisecond=49 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 7 properties in 38 ms.
Knowledge obtained : [(AND p0 p2 p1 p3), (X (NOT (AND p2 (NOT p1)))), (X p3), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p2 (NOT p3)))), (X p0), (X p2), (X p1), (X (X (NOT (AND p2 (NOT p1))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p2 (NOT p3))))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p3))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (OR p2 p3))), (F (NOT (OR (NOT p2) (NOT p0) p3))), (F (NOT (OR p1 p0))), (F (NOT (OR (NOT p2) p0 p3))), (F (NOT (OR p1 p0 p3))), (F (NOT (OR p2 p0 p3))), (F (NOT (OR p2 p0))), (F (NOT (OR p1 (NOT p0) p3))), (F (NOT (OR p0 p3))), (F (NOT p3)), (F (NOT (OR p1 (NOT p2) p3))), (F (NOT p1)), (F (NOT (OR p1 (NOT p0)))), (F (NOT p0)), (F (NOT p2))]
Knowledge based reduction with 21 factoid took 1121 ms. Reduced automaton from 7 states, 21 edges and 4 AP (stutter sensitive) to 7 states, 21 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 410 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 373 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 325 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Product exploration explored 100000 steps with 482 reset in 311 ms.
Product exploration explored 100000 steps with 469 reset in 382 ms.
Applying partial POR strategy [false, false, true, true, true, true, true]
Stuttering acceptance computed with spot in 432 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Support contains 4 out of 412 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 412/412 places, 417/417 transitions.
Graph (complete) has 642 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.5 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 193 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 193 rules applied. Total rules applied 194 place count 384 transition count 414
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 1 with 2 rules applied. Total rules applied 196 place count 384 transition count 413
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 29 Pre rules applied. Total rules applied 196 place count 384 transition count 417
Deduced a syphon composed of 223 places in 1 ms
Iterating global reduction 2 with 29 rules applied. Total rules applied 225 place count 384 transition count 417
Discarding 142 places :
Symmetric choice reduction at 2 with 142 rule applications. Total rules 367 place count 242 transition count 275
Deduced a syphon composed of 104 places in 1 ms
Iterating global reduction 2 with 142 rules applied. Total rules applied 509 place count 242 transition count 275
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 532 place count 219 transition count 252
Deduced a syphon composed of 81 places in 1 ms
Iterating global reduction 2 with 23 rules applied. Total rules applied 555 place count 219 transition count 252
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 157 places in 0 ms
Iterating global reduction 2 with 76 rules applied. Total rules applied 631 place count 219 transition count 253
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 633 place count 219 transition count 251
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 686 place count 166 transition count 197
Deduced a syphon composed of 104 places in 0 ms
Iterating global reduction 3 with 53 rules applied. Total rules applied 739 place count 166 transition count 197
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 105 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 740 place count 166 transition count 197
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 741 place count 165 transition count 196
Deduced a syphon composed of 104 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 742 place count 165 transition count 196
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: -76
Deduced a syphon composed of 129 places in 0 ms
Iterating global reduction 3 with 25 rules applied. Total rules applied 767 place count 165 transition count 272
Discarding 46 places :
Symmetric choice reduction at 3 with 46 rule applications. Total rules 813 place count 119 transition count 180
Deduced a syphon composed of 103 places in 0 ms
Iterating global reduction 3 with 46 rules applied. Total rules applied 859 place count 119 transition count 180
Discarding 60 places :
Symmetric choice reduction at 3 with 60 rule applications. Total rules 919 place count 59 transition count 80
Deduced a syphon composed of 43 places in 0 ms
Iterating global reduction 3 with 60 rules applied. Total rules applied 979 place count 59 transition count 80
Deduced a syphon composed of 43 places in 0 ms
Applied a total of 979 rules in 227 ms. Remains 59 /412 variables (removed 353) and now considering 80/417 (removed 337) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:01:02] [INFO ] Redundant transitions in 24 ms returned []
Running 79 sub problems to find dead transitions.
[2025-06-03 17:01:02] [INFO ] Flow matrix only has 79 transitions (discarded 1 similar events)
// Phase 1: matrix 79 rows 59 cols
[2025-06-03 17:01:02] [INFO ] Computed 0 invariants in 2 ms
[2025-06-03 17:01:02] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
At refinement iteration 1 (OVERLAPS) 79/137 variables, 58/58 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 15/73 constraints. Problems are: Problem set: 53 solved, 26 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 0/73 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 1/138 variables, 1/74 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/138 variables, 0/74 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 0/138 variables, 0/74 constraints. Problems are: Problem set: 53 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 138/138 variables, and 74 constraints, problems are : Problem set: 53 solved, 26 unsolved in 1296 ms.
Refiners :[State Equation: 59/59 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 53 solved, 26 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 78/93 variables, 15/15 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 15/30 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 26/56 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/56 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 45/138 variables, 44/100 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/100 constraints. Problems are: Problem set: 53 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 0/138 variables, 0/100 constraints. Problems are: Problem set: 53 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 138/138 variables, and 100 constraints, problems are : Problem set: 53 solved, 26 unsolved in 1592 ms.
Refiners :[State Equation: 59/59 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 26/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2908ms problems are : Problem set: 53 solved, 26 unsolved
Search for dead transitions found 53 dead transitions in 2910ms
Found 53 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 53 transitions
Dead transitions reduction (with SMT) removed 53 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 59/412 places, 27/417 transitions.
Graph (complete) has 57 edges and 59 vertex of which 16 are kept as prefixes of interest. Removing 43 places using SCC suffix rule.0 ms
Discarding 43 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 16 /59 variables (removed 43) and now considering 27/27 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/412 places, 27/417 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3177 ms. Remains : 16/412 places, 27/417 transitions.
Built C files in :
/tmp/ltsmin5090046924803347662
[2025-06-03 17:01:05] [INFO ] Built C files in 39ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5090046924803347662
Running compilation step : cd /tmp/ltsmin5090046924803347662;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1503 ms.
Running link step : cd /tmp/ltsmin5090046924803347662;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 61 ms.
Running LTSmin : cd /tmp/ltsmin5090046924803347662;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4002038291851925988.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 412 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 412/412 places, 417/417 transitions.
Applied a total of 0 rules in 10 ms. Remains 412 /412 variables (removed 0) and now considering 417/417 (removed 0) transitions.
// Phase 1: matrix 417 rows 412 cols
[2025-06-03 17:01:20] [INFO ] Computed 25 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:01:20] [INFO ] Implicit Places using invariants in 164 ms returned []
[2025-06-03 17:01:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:01:21] [INFO ] Implicit Places using invariants and state equation in 705 ms returned []
Implicit Place search using SMT with State Equation took 876 ms to find 0 implicit places.
Running 416 sub problems to find dead transitions.
[2025-06-03 17:01:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
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(t253 4.0)
(t254 13.0)
(t255 13.0)
(t256 13.0)
(t257 11.0)
(t258 10.0)
(t259 9.0)
(t260 8.0)
(t261 3.0)
(t262 2.0)
(t263 0.0)
(t264 12.0)
(t265 6.0)
(t266 5.0)
(t267 4.0)
(t268 13.0)
(t269 12.0)
(t270 12.0)
(t271 11.0)
(t272 10.0)
(t273 9.0)
(t274 8.0)
(t275 3.0)
(t276 2.0)
(t277 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/829 variables, and 436 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 416 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/411 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/411 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 2 (OVERLAPS) 417/828 variables, 411/436 constraints. Problems are: Problem set: 0 solved, 416 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/828 variables, 416/852 constraints. Problems are: Problem set: 0 solved, 416 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 828/829 variables, and 852 constraints, problems are : Problem set: 0 solved, 416 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 411/412 constraints, PredecessorRefiner: 416/416 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60143ms problems are : Problem set: 0 solved, 416 unsolved
Search for dead transitions found 0 dead transitions in 60145ms
Finished structural reductions in LTL mode , in 1 iterations and 61033 ms. Remains : 412/412 places, 417/417 transitions.
Built C files in :
/tmp/ltsmin9217100067868705540
[2025-06-03 17:02:21] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9217100067868705540
Running compilation step : cd /tmp/ltsmin9217100067868705540;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1209 ms.
Running link step : cd /tmp/ltsmin9217100067868705540;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 62 ms.
Running LTSmin : cd /tmp/ltsmin9217100067868705540;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3348697707217792093.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-03 17:02:36] [INFO ] Flatten gal took : 24 ms
[2025-06-03 17:02:36] [INFO ] Flatten gal took : 24 ms
[2025-06-03 17:02:36] [INFO ] Time to serialize gal into /tmp/LTL18041018382857321581.gal : 15 ms
[2025-06-03 17:02:36] [INFO ] Time to serialize properties into /tmp/LTL5579943969548861486.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18041018382857321581.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14695858350078516207.hoa' '-atoms' '/tmp/LTL5579943969548861486.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/LTL5579943969548861486.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14695858350078516207.hoa
Detected timeout of ITS tools.
[2025-06-03 17:02:51] [INFO ] Flatten gal took : 40 ms
[2025-06-03 17:02:52] [INFO ] Flatten gal took : 49 ms
[2025-06-03 17:02:52] [INFO ] Time to serialize gal into /tmp/LTL9413416623245688987.gal : 15 ms
[2025-06-03 17:02:52] [INFO ] Time to serialize properties into /tmp/LTL13036209611846552895.ltl : 11 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/LTL9413416623245688987.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13036209611846552895.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...276
Read 1 LTL properties
Checking formula 0 : !((F(G(("(p99==0)")||(X((F("(p470==0)"))&&((G("(p243!=1)"))||(("(p243!=1)")&&(F("(p447!=1)"))))))))))
Formula 0 simplified : GF(!"(p99==0)" & X(G!"(p470==0)" | (F!"(p243!=1)" & (!"(p243!=1)" | G!"(p447!=1)"))))
Detected timeout of ITS tools.
[2025-06-03 17:03:07] [INFO ] Flatten gal took : 20 ms
[2025-06-03 17:03:07] [INFO ] Applying decomposition
[2025-06-03 17:03:07] [INFO ] Flatten gal took : 21 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/graph3474990471549361403.txt' '-o' '/tmp/graph3474990471549361403.bin' '-w' '/tmp/graph3474990471549361403.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3474990471549361403.bin' '-l' '-1' '-v' '-w' '/tmp/graph3474990471549361403.weights' '-q' '0' '-e' '0.001'
[2025-06-03 17:03:07] [INFO ] Decomposing Gal with order
[2025-06-03 17:03:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 17:03:07] [INFO ] Removed a total of 122 redundant transitions.
[2025-06-03 17:03:07] [INFO ] Flatten gal took : 145 ms
[2025-06-03 17:03:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 10 ms.
[2025-06-03 17:03:07] [INFO ] Time to serialize gal into /tmp/LTL6631740385655938814.gal : 17 ms
[2025-06-03 17:03:07] [INFO ] Time to serialize properties into /tmp/LTL5120159570337984997.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/LTL6631740385655938814.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5120159570337984997.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...254
Read 1 LTL properties
Checking formula 0 : !((F(G(("(i5.u37.p99==0)")||(X((F("(i25.u167.p470==0)"))&&((G("(i13.u91.p243!=1)"))||(("(i13.u91.p243!=1)")&&(F("(i24.u162.p447!=1)"))...163
Formula 0 simplified : GF(!"(i5.u37.p99==0)" & X(G!"(i25.u167.p470==0)" | (F!"(i13.u91.p243!=1)" & (!"(i13.u91.p243!=1)" | G!"(i24.u162.p447!=1)"))))
Reverse transition relation is NOT exact ! Due to transitions t374, i1.t369, i1.t361, i2.t355, i2.u24.t348, i3.t334, i3.u25.t341, i4.t327, i4.u31.t319, i5....766
Computing Next relation with stutter on 5.64842e+11 deadlock states
203 unique states visited
202 strongly connected components in search stack
205 transitions explored
203 items max in DFS search stack
539 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,5.46915,124040,1,0,262261,342,4275,318388,167,1187,425512
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-00 finished in 270281 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G((p1||X((!p0||G(p2)))))) U p3))'
Support contains 4 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 409 transition count 416
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 409 transition count 416
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 409 transition count 412
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 408 transition count 411
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 408 transition count 411
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 408 transition count 410
Applied a total of 23 rules in 27 ms. Remains 408 /417 variables (removed 9) and now considering 410/424 (removed 14) transitions.
// Phase 1: matrix 410 rows 408 cols
[2025-06-03 17:03:13] [INFO ] Computed 25 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:03:14] [INFO ] Implicit Places using invariants in 231 ms returned []
[2025-06-03 17:03:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:03:14] [INFO ] Implicit Places using invariants and state equation in 686 ms returned []
Implicit Place search using SMT with State Equation took 920 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:03:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Starting structural reductions in LTL mode, iteration 1 : 408/417 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61065 ms. Remains : 408/417 places, 410/424 transitions.
Stuttering acceptance computed with spot in 431 ms :[(NOT p3), (AND (NOT p2) p0), (AND (NOT p1) p0 (NOT p2)), (AND p0 (NOT p2) (NOT p1)), (AND p0 (NOT p2) (NOT p1)), true, (NOT p2), (AND p0 (NOT p2) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-01
Entered a terminal (fully accepting) state of product in 169 steps with 4 reset in 1 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-01 finished in 61541 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)&&(p1||X(p0)))))'
Support contains 1 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 409 transition count 416
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 409 transition count 416
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 409 transition count 412
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 408 transition count 411
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 408 transition count 411
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 408 transition count 410
Applied a total of 23 rules in 38 ms. Remains 408 /417 variables (removed 9) and now considering 410/424 (removed 14) transitions.
[2025-06-03 17:04:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:04:15] [INFO ] Implicit Places using invariants in 263 ms returned []
[2025-06-03 17:04:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:04:16] [INFO ] Implicit Places using invariants and state equation in 719 ms returned []
Implicit Place search using SMT with State Equation took 986 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:04:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/817 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
SMT process timed out in 60111ms, After SMT, problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Starting structural reductions in LTL mode, iteration 1 : 408/417 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61139 ms. Remains : 408/417 places, 410/424 transitions.
Stuttering acceptance computed with spot in 186 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-03
Product exploration explored 100000 steps with 33238 reset in 294 ms.
Product exploration explored 100000 steps with 33190 reset in 399 ms.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 635 edges and 408 vertex of which 380 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.6 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 133 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 667 steps (0 resets) in 7 ms. (83 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0))]
False Knowledge obtained : [(F p1), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 141 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 408/408 places, 410/410 transitions.
Applied a total of 0 rules in 12 ms. Remains 408 /408 variables (removed 0) and now considering 410/410 (removed 0) transitions.
[2025-06-03 17:05:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:05:18] [INFO ] Implicit Places using invariants in 268 ms returned []
[2025-06-03 17:05:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:05:19] [INFO ] Implicit Places using invariants and state equation in 607 ms returned []
Implicit Place search using SMT with State Equation took 878 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:05:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Error getting values : (error "ParserException while parsing response: (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 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60103ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60106ms
Finished structural reductions in LTL mode , in 1 iterations and 61002 ms. Remains : 408/408 places, 410/410 transitions.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 635 edges and 408 vertex of which 380 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.6 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 168 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 175 ms :[(NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 730 steps (0 resets) in 9 ms. (73 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0))]
False Knowledge obtained : [(F p1), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 180 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 165 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 33306 reset in 218 ms.
Product exploration explored 100000 steps with 33350 reset in 232 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 165 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 408/408 places, 410/410 transitions.
Graph (trivial) has 333 edges and 408 vertex of which 6 / 408 are part of one of the 1 SCC in 6 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 629 edges and 403 vertex of which 375 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.3 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 192 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 192 rules applied. Total rules applied 194 place count 375 transition count 401
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 26 Pre rules applied. Total rules applied 194 place count 375 transition count 403
Deduced a syphon composed of 218 places in 1 ms
Iterating global reduction 1 with 26 rules applied. Total rules applied 220 place count 375 transition count 403
Discarding 140 places :
Symmetric choice reduction at 1 with 140 rule applications. Total rules 360 place count 235 transition count 263
Deduced a syphon composed of 101 places in 0 ms
Iterating global reduction 1 with 140 rules applied. Total rules applied 500 place count 235 transition count 263
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 523 place count 212 transition count 240
Deduced a syphon composed of 78 places in 1 ms
Iterating global reduction 1 with 23 rules applied. Total rules applied 546 place count 212 transition count 240
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 156 places in 1 ms
Iterating global reduction 1 with 78 rules applied. Total rules applied 624 place count 212 transition count 241
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 626 place count 212 transition count 239
Discarding 55 places :
Symmetric choice reduction at 2 with 55 rule applications. Total rules 681 place count 157 transition count 183
Deduced a syphon composed of 101 places in 0 ms
Iterating global reduction 2 with 55 rules applied. Total rules applied 736 place count 157 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 102 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 737 place count 157 transition count 183
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 738 place count 156 transition count 182
Deduced a syphon composed of 101 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 739 place count 156 transition count 182
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -71
Deduced a syphon composed of 125 places in 0 ms
Iterating global reduction 2 with 24 rules applied. Total rules applied 763 place count 156 transition count 253
Discarding 46 places :
Symmetric choice reduction at 2 with 46 rule applications. Total rules 809 place count 110 transition count 161
Deduced a syphon composed of 101 places in 0 ms
Iterating global reduction 2 with 46 rules applied. Total rules applied 855 place count 110 transition count 161
Discarding 66 places :
Symmetric choice reduction at 2 with 66 rule applications. Total rules 921 place count 44 transition count 51
Deduced a syphon composed of 35 places in 0 ms
Iterating global reduction 2 with 66 rules applied. Total rules applied 987 place count 44 transition count 51
Deduced a syphon composed of 35 places in 0 ms
Applied a total of 987 rules in 145 ms. Remains 44 /408 variables (removed 364) and now considering 51/410 (removed 359) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:06:21] [INFO ] Redundant transitions in 25 ms returned []
Running 50 sub problems to find dead transitions.
// Phase 1: matrix 51 rows 44 cols
[2025-06-03 17:06:21] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 17:06:21] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
At refinement iteration 1 (OVERLAPS) 50/93 variables, 43/43 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 8/51 constraints. Problems are: Problem set: 39 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/51 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 1/94 variables, 1/52 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/52 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 1/95 variables, 1/53 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 0/53 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 0/95 variables, 0/53 constraints. Problems are: Problem set: 39 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 95/95 variables, and 53 constraints, problems are : Problem set: 39 solved, 11 unsolved in 787 ms.
Refiners :[State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 39 solved, 11 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 49/57 variables, 8/8 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 8/16 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 11/27 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/27 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 37/94 variables, 36/63 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/63 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 1/95 variables, 1/64 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/95 variables, 0/64 constraints. Problems are: Problem set: 39 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/95 variables, 0/64 constraints. Problems are: Problem set: 39 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 95/95 variables, and 64 constraints, problems are : Problem set: 39 solved, 11 unsolved in 814 ms.
Refiners :[State Equation: 44/44 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 11/50 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1621ms problems are : Problem set: 39 solved, 11 unsolved
Search for dead transitions found 39 dead transitions in 1621ms
Found 39 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 44/408 places, 12/410 transitions.
Graph (complete) has 30 edges and 44 vertex of which 9 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 9 /44 variables (removed 35) and now considering 12/12 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/408 places, 12/410 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1811 ms. Remains : 9/408 places, 12/410 transitions.
Built C files in :
/tmp/ltsmin15628616990688394535
[2025-06-03 17:06:22] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15628616990688394535
Running compilation step : cd /tmp/ltsmin15628616990688394535;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1159 ms.
Running link step : cd /tmp/ltsmin15628616990688394535;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin15628616990688394535;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3959369740909051210.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 408/408 places, 410/410 transitions.
Applied a total of 0 rules in 11 ms. Remains 408 /408 variables (removed 0) and now considering 410/410 (removed 0) transitions.
// Phase 1: matrix 410 rows 408 cols
[2025-06-03 17:06:38] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:06:38] [INFO ] Implicit Places using invariants in 199 ms returned []
[2025-06-03 17:06:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:06:38] [INFO ] Implicit Places using invariants and state equation in 685 ms returned []
Implicit Place search using SMT with State Equation took 887 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:06:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60150ms
Finished structural reductions in LTL mode , in 1 iterations and 61050 ms. Remains : 408/408 places, 410/410 transitions.
Built C files in :
/tmp/ltsmin12014247278244597817
[2025-06-03 17:07:39] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12014247278244597817
Running compilation step : cd /tmp/ltsmin12014247278244597817;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1339 ms.
Running link step : cd /tmp/ltsmin12014247278244597817;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 56 ms.
Running LTSmin : cd /tmp/ltsmin12014247278244597817;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4794816881805264263.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-03 17:07:54] [INFO ] Flatten gal took : 16 ms
[2025-06-03 17:07:54] [INFO ] Flatten gal took : 15 ms
[2025-06-03 17:07:54] [INFO ] Time to serialize gal into /tmp/LTL10554945668693030541.gal : 3 ms
[2025-06-03 17:07:54] [INFO ] Time to serialize properties into /tmp/LTL12975820458327957218.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/LTL10554945668693030541.gal' '-t' 'CGAL' '-hoa' '/tmp/aut942631772958417706.hoa' '-atoms' '/tmp/LTL12975820458327957218.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...318
Loading property file /tmp/LTL12975820458327957218.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut942631772958417706.hoa
Detected timeout of ITS tools.
[2025-06-03 17:08:09] [INFO ] Flatten gal took : 30 ms
[2025-06-03 17:08:09] [INFO ] Flatten gal took : 13 ms
[2025-06-03 17:08:09] [INFO ] Time to serialize gal into /tmp/LTL5424114784177573340.gal : 4 ms
[2025-06-03 17:08:09] [INFO ] Time to serialize properties into /tmp/LTL791580097399463224.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/LTL5424114784177573340.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL791580097399463224.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...274
Read 1 LTL properties
Checking formula 0 : !((G((F("(p146==0)"))&&(("(p146==1)")||(X("(p146==0)"))))))
Formula 0 simplified : F(G!"(p146==0)" | (!"(p146==1)" & X!"(p146==0)"))
Detected timeout of ITS tools.
[2025-06-03 17:08:24] [INFO ] Flatten gal took : 14 ms
[2025-06-03 17:08:24] [INFO ] Applying decomposition
[2025-06-03 17:08:24] [INFO ] Flatten gal took : 14 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/graph6361725934594102368.txt' '-o' '/tmp/graph6361725934594102368.bin' '-w' '/tmp/graph6361725934594102368.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6361725934594102368.bin' '-l' '-1' '-v' '-w' '/tmp/graph6361725934594102368.weights' '-q' '0' '-e' '0.001'
[2025-06-03 17:08:24] [INFO ] Decomposing Gal with order
[2025-06-03 17:08:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 17:08:24] [INFO ] Removed a total of 122 redundant transitions.
[2025-06-03 17:08:24] [INFO ] Flatten gal took : 43 ms
[2025-06-03 17:08:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6 ms.
[2025-06-03 17:08:24] [INFO ] Time to serialize gal into /tmp/LTL17373979739095149296.gal : 11 ms
[2025-06-03 17:08:24] [INFO ] Time to serialize properties into /tmp/LTL14985302115082230420.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/LTL17373979739095149296.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14985302115082230420.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...256
Read 1 LTL properties
Checking formula 0 : !((G((F("(i7.u55.p146==0)"))&&(("(i7.u55.p146==1)")||(X("(i7.u55.p146==0)"))))))
Formula 0 simplified : F(G!"(i7.u55.p146==0)" | (!"(i7.u55.p146==1)" & X!"(i7.u55.p146==0)"))
Reverse transition relation is NOT exact ! Due to transitions t374, i1.t369, i1.t361, i2.t355, i2.t348, i3.t341, i3.u25.t334, i4.t327, i4.u31.t319, i5.t312...767
Computing Next relation with stutter on 5.64842e+11 deadlock states
203 unique states visited
203 strongly connected components in search stack
204 transitions explored
203 items max in DFS search stack
777 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,7.87553,156548,1,0,364967,720,4068,370983,197,2313,524632
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-03 finished in 258225 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 417 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Graph (trivial) has 347 edges and 417 vertex of which 6 / 417 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 643 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.1 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 197 transitions
Trivial Post-agglo rules discarded 197 transitions
Performed 197 trivial Post agglomeration. Transition count delta: 197
Iterating post reduction 0 with 197 rules applied. Total rules applied 199 place count 383 transition count 217
Reduce places removed 197 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 1 with 206 rules applied. Total rules applied 405 place count 186 transition count 208
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 410 place count 182 transition count 207
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 411 place count 181 transition count 207
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 51 Pre rules applied. Total rules applied 411 place count 181 transition count 156
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 4 with 102 rules applied. Total rules applied 513 place count 130 transition count 156
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 536 place count 107 transition count 133
Iterating global reduction 4 with 23 rules applied. Total rules applied 559 place count 107 transition count 133
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 4 with 148 rules applied. Total rules applied 707 place count 33 transition count 59
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 708 place count 33 transition count 58
Discarding 23 places :
Symmetric choice reduction at 5 with 23 rule applications. Total rules 731 place count 10 transition count 13
Iterating global reduction 5 with 23 rules applied. Total rules applied 754 place count 10 transition count 13
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 5 with 2 rules applied. Total rules applied 756 place count 9 transition count 12
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 757 place count 8 transition count 11
Applied a total of 757 rules in 33 ms. Remains 8 /417 variables (removed 409) and now considering 11/424 (removed 413) transitions.
// Phase 1: matrix 11 rows 8 cols
[2025-06-03 17:08:33] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:08:33] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-03 17:08:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:08:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:08:33] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:08:33] [INFO ] Redundant transitions in 17 ms returned []
Running 7 sub problems to find dead transitions.
[2025-06-03 17:08:33] [INFO ] Invariant cache hit.
[2025-06-03 17:08:33] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1/19 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/19 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 157 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 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 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/19 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/19 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 158 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 324ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 324ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/417 places, 11/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 457 ms. Remains : 8/417 places, 11/424 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-04 finished in 534 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((F(p0) U X(p1))||G(p2)||(p1&&F(p2))))))'
Support contains 3 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 410 transition count 417
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 410 transition count 417
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 18 place count 410 transition count 413
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 409 transition count 412
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 409 transition count 412
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 21 place count 409 transition count 411
Applied a total of 21 rules in 36 ms. Remains 409 /417 variables (removed 8) and now considering 411/424 (removed 13) transitions.
// Phase 1: matrix 411 rows 409 cols
[2025-06-03 17:08:34] [INFO ] Computed 25 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:08:34] [INFO ] Implicit Places using invariants in 209 ms returned []
[2025-06-03 17:08:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:08:35] [INFO ] Implicit Places using invariants and state equation in 703 ms returned []
Implicit Place search using SMT with State Equation took 916 ms to find 0 implicit places.
Running 410 sub problems to find dead transitions.
[2025-06-03 17:08:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (OVERLAPS) 411/819 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 819/820 variables, and 433 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 408/409 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 410 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 2 (OVERLAPS) 411/819 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 410 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/819 variables, 410/843 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 819/820 variables, and 843 constraints, problems are : Problem set: 0 solved, 410 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 408/409 constraints, PredecessorRefiner: 410/410 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60134ms problems are : Problem set: 0 solved, 410 unsolved
Search for dead transitions found 0 dead transitions in 60137ms
Starting structural reductions in LTL mode, iteration 1 : 409/417 places, 411/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61091 ms. Remains : 409/417 places, 411/424 transitions.
Stuttering acceptance computed with spot in 567 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-05
Stuttering criterion allowed to conclude after 201 steps with 0 reset in 2 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-05 finished in 61716 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p0) U ((p1||X(F((p1&&F(p2))))) U p2))))'
Support contains 5 out of 417 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Graph (trivial) has 341 edges and 417 vertex of which 6 / 417 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 643 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.5 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 195 transitions
Trivial Post-agglo rules discarded 195 transitions
Performed 195 trivial Post agglomeration. Transition count delta: 195
Iterating post reduction 0 with 195 rules applied. Total rules applied 197 place count 383 transition count 219
Reduce places removed 195 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 1 with 204 rules applied. Total rules applied 401 place count 188 transition count 210
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 406 place count 184 transition count 209
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 407 place count 183 transition count 209
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 49 Pre rules applied. Total rules applied 407 place count 183 transition count 160
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 505 place count 134 transition count 160
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 528 place count 111 transition count 137
Iterating global reduction 4 with 23 rules applied. Total rules applied 551 place count 111 transition count 137
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 4 with 146 rules applied. Total rules applied 697 place count 38 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 698 place count 38 transition count 63
Discarding 21 places :
Symmetric choice reduction at 5 with 21 rule applications. Total rules 719 place count 17 transition count 22
Iterating global reduction 5 with 21 rules applied. Total rules applied 740 place count 17 transition count 22
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 5 with 2 rules applied. Total rules applied 742 place count 16 transition count 21
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 743 place count 16 transition count 21
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 744 place count 15 transition count 20
Applied a total of 744 rules in 47 ms. Remains 15 /417 variables (removed 402) and now considering 20/424 (removed 404) transitions.
// Phase 1: matrix 20 rows 15 cols
[2025-06-03 17:09:36] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:09:36] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 17:09:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:09:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:09:36] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:09:36] [INFO ] Redundant transitions in 18 ms returned []
Running 16 sub problems to find dead transitions.
[2025-06-03 17:09:36] [INFO ] Invariant cache hit.
[2025-06-03 17:09:36] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 19/30 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 4/34 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 1/35 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 16 constraints, problems are : Problem set: 0 solved, 16 unsolved in 484 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 19/30 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 4/34 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 14/31 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 1/35 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/35 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 32 constraints, problems are : Problem set: 0 solved, 16 unsolved in 609 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1099ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 1100ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/417 places, 20/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1265 ms. Remains : 15/417 places, 20/424 transitions.
Stuttering acceptance computed with spot in 440 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-06
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-06 finished in 1750 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) U G(p1))))'
Support contains 2 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 410 transition count 417
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 410 transition count 417
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 17 place count 410 transition count 414
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 409 transition count 413
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 409 transition count 413
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 20 place count 409 transition count 412
Applied a total of 20 rules in 37 ms. Remains 409 /417 variables (removed 8) and now considering 412/424 (removed 12) transitions.
// Phase 1: matrix 412 rows 409 cols
[2025-06-03 17:09:37] [INFO ] Computed 25 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:09:37] [INFO ] Implicit Places using invariants in 233 ms returned []
[2025-06-03 17:09:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:09:38] [INFO ] Implicit Places using invariants and state equation in 712 ms returned []
Implicit Place search using SMT with State Equation took 954 ms to find 0 implicit places.
Running 411 sub problems to find dead transitions.
[2025-06-03 17:09:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 411 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 411 unsolved
At refinement iteration 2 (OVERLAPS) 412/820 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 820/821 variables, and 433 constraints, problems are : Problem set: 0 solved, 411 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 408/409 constraints, PredecessorRefiner: 411/411 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 411 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 411 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 411 unsolved
At refinement iteration 2 (OVERLAPS) 412/820 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 411 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/820 variables, 411/844 constraints. Problems are: Problem set: 0 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 820/821 variables, and 844 constraints, problems are : Problem set: 0 solved, 411 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 408/409 constraints, PredecessorRefiner: 411/411 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60134ms problems are : Problem set: 0 solved, 411 unsolved
Search for dead transitions found 0 dead transitions in 60135ms
Starting structural reductions in LTL mode, iteration 1 : 409/417 places, 412/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61129 ms. Remains : 409/417 places, 412/424 transitions.
Stuttering acceptance computed with spot in 229 ms :[(NOT p1), (NOT p1), true, (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-07
Product exploration explored 100000 steps with 25024 reset in 233 ms.
Product exploration explored 100000 steps with 25008 reset in 257 ms.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 637 edges and 409 vertex of which 381 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.4 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND p1 p0))), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 13 factoid took 213 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p1), true, (AND (NOT p0) p1), (NOT p1)]
RANDOM walk for 40000 steps (191 resets) in 416 ms. (95 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (22 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
[2025-06-03 17:10:40] [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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/60 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 348/408 variables, 23/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 412/820 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/820 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/821 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/821 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/821 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 821/821 variables, and 434 constraints, problems are : Problem set: 0 solved, 1 unsolved in 599 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 409/409 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 58/60 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 348/408 variables, 23/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/408 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 412/820 variables, 408/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/820 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/820 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/821 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/821 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/821 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 821/821 variables, and 435 constraints, problems are : Problem set: 0 solved, 1 unsolved in 590 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 409/409 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1199ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 141 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=70 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND p1 p0))), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT p0)), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p1))))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 13 factoid took 330 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA GPUForwardProgress-PT-24b-LTLFireability-07 FALSE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-07 finished in 64005 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 417 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Graph (trivial) has 347 edges and 417 vertex of which 6 / 417 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 643 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.1 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 196 transitions
Trivial Post-agglo rules discarded 196 transitions
Performed 196 trivial Post agglomeration. Transition count delta: 196
Iterating post reduction 0 with 196 rules applied. Total rules applied 198 place count 383 transition count 218
Reduce places removed 196 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 1 with 205 rules applied. Total rules applied 403 place count 187 transition count 209
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 408 place count 183 transition count 208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 409 place count 182 transition count 208
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 52 Pre rules applied. Total rules applied 409 place count 182 transition count 156
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 4 with 104 rules applied. Total rules applied 513 place count 130 transition count 156
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 536 place count 107 transition count 133
Iterating global reduction 4 with 23 rules applied. Total rules applied 559 place count 107 transition count 133
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 4 with 148 rules applied. Total rules applied 707 place count 33 transition count 59
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 708 place count 33 transition count 58
Discarding 23 places :
Symmetric choice reduction at 5 with 23 rule applications. Total rules 731 place count 10 transition count 13
Iterating global reduction 5 with 23 rules applied. Total rules applied 754 place count 10 transition count 13
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 5 with 2 rules applied. Total rules applied 756 place count 9 transition count 12
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 757 place count 8 transition count 11
Applied a total of 757 rules in 48 ms. Remains 8 /417 variables (removed 409) and now considering 11/424 (removed 413) transitions.
// Phase 1: matrix 11 rows 8 cols
[2025-06-03 17:10:41] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:10:41] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-03 17:10:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:10:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:10:41] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:10:41] [INFO ] Redundant transitions in 17 ms returned []
Running 7 sub problems to find dead transitions.
[2025-06-03 17:10:41] [INFO ] Invariant cache hit.
[2025-06-03 17:10:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1/19 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/19 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 214 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 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 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/19 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/19 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 218 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 437ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 438ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/417 places, 11/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 589 ms. Remains : 8/417 places, 11/424 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-08 finished in 720 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(X(X(G(p0)))))))'
Support contains 1 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 409 transition count 416
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 409 transition count 416
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 409 transition count 412
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 408 transition count 411
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 408 transition count 411
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 408 transition count 410
Applied a total of 23 rules in 38 ms. Remains 408 /417 variables (removed 9) and now considering 410/424 (removed 14) transitions.
// Phase 1: matrix 410 rows 408 cols
[2025-06-03 17:10:42] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:10:42] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-06-03 17:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:10:43] [INFO ] Implicit Places using invariants and state equation in 710 ms returned []
Implicit Place search using SMT with State Equation took 981 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:10:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60125ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60130ms
Starting structural reductions in LTL mode, iteration 1 : 408/417 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61152 ms. Remains : 408/417 places, 410/424 transitions.
Stuttering acceptance computed with spot in 287 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-10
Entered a terminal (fully accepting) state of product in 87 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-10 finished in 61461 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Support contains 2 out of 417 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Graph (trivial) has 345 edges and 417 vertex of which 6 / 417 are part of one of the 1 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 643 edges and 412 vertex of which 384 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.4 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 196 transitions
Trivial Post-agglo rules discarded 196 transitions
Performed 196 trivial Post agglomeration. Transition count delta: 196
Iterating post reduction 0 with 196 rules applied. Total rules applied 198 place count 383 transition count 218
Reduce places removed 196 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 203 rules applied. Total rules applied 401 place count 187 transition count 211
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 404 place count 184 transition count 211
Performed 53 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 53 Pre rules applied. Total rules applied 404 place count 184 transition count 158
Deduced a syphon composed of 53 places in 0 ms
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 3 with 106 rules applied. Total rules applied 510 place count 131 transition count 158
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 533 place count 108 transition count 135
Iterating global reduction 3 with 23 rules applied. Total rules applied 556 place count 108 transition count 135
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 0 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 3 with 144 rules applied. Total rules applied 700 place count 36 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 701 place count 36 transition count 62
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 724 place count 13 transition count 17
Iterating global reduction 4 with 23 rules applied. Total rules applied 747 place count 13 transition count 17
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 751 place count 11 transition count 16
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 753 place count 11 transition count 16
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 754 place count 10 transition count 15
Applied a total of 754 rules in 23 ms. Remains 10 /417 variables (removed 407) and now considering 15/424 (removed 409) transitions.
[2025-06-03 17:11:43] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
// Phase 1: matrix 14 rows 10 cols
[2025-06-03 17:11:43] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:11:43] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-03 17:11:43] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
[2025-06-03 17:11:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:11:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:11:43] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:11:44] [INFO ] Redundant transitions in 14 ms returned []
Running 8 sub problems to find dead transitions.
[2025-06-03 17:11:44] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
[2025-06-03 17:11:44] [INFO ] Invariant cache hit.
[2025-06-03 17:11:44] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 13/20 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 3/23 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/24 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 11 constraints, problems are : Problem set: 0 solved, 8 unsolved in 231 ms.
Refiners :[State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 13/20 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 3/23 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 1/24 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 19 constraints, problems are : Problem set: 0 solved, 8 unsolved in 242 ms.
Refiners :[State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 479ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/417 places, 15/424 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 617 ms. Remains : 10/417 places, 15/424 transitions.
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-12
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-12 finished in 731 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 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 409 transition count 416
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 409 transition count 416
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 409 transition count 412
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 408 transition count 411
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 408 transition count 411
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 408 transition count 410
Applied a total of 23 rules in 36 ms. Remains 408 /417 variables (removed 9) and now considering 410/424 (removed 14) transitions.
// Phase 1: matrix 410 rows 408 cols
[2025-06-03 17:11:44] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:11:44] [INFO ] Implicit Places using invariants in 273 ms returned []
[2025-06-03 17:11:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:11:45] [INFO ] Implicit Places using invariants and state equation in 709 ms returned []
Implicit Place search using SMT with State Equation took 984 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:11:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Error getting values : (error "ParserException while parsing response: (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 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60128ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60130ms
Starting structural reductions in LTL mode, iteration 1 : 408/417 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61157 ms. Remains : 408/417 places, 410/424 transitions.
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 194 ms.
Product exploration explored 100000 steps with 33333 reset in 210 ms.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 635 edges and 408 vertex of which 380 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.3 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 21 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA GPUForwardProgress-PT-24b-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-13 finished in 61851 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)||(p1&&X(p1)))))'
Support contains 4 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 410 transition count 417
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 410 transition count 417
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 18 place count 410 transition count 413
Applied a total of 18 rules in 28 ms. Remains 410 /417 variables (removed 7) and now considering 413/424 (removed 11) transitions.
// Phase 1: matrix 413 rows 410 cols
[2025-06-03 17:12:46] [INFO ] Computed 25 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:12:46] [INFO ] Implicit Places using invariants in 256 ms returned []
[2025-06-03 17:12:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:12:47] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 972 ms to find 0 implicit places.
Running 412 sub problems to find dead transitions.
[2025-06-03 17:12:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/409 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/409 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 413/822 variables, 409/434 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 822/823 variables, and 434 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 409/410 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/409 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/409 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 413/822 variables, 409/434 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/822 variables, 412/846 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 822/823 variables, and 846 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 409/410 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60118ms problems are : Problem set: 0 solved, 412 unsolved
Search for dead transitions found 0 dead transitions in 60120ms
Starting structural reductions in LTL mode, iteration 1 : 410/417 places, 413/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61122 ms. Remains : 410/417 places, 413/424 transitions.
Stuttering acceptance computed with spot in 287 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-14 finished in 61437 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(F(p0)))'
Support contains 1 out of 417 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 417/417 places, 424/424 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 409 transition count 416
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 409 transition count 416
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 409 transition count 412
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 408 transition count 411
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 408 transition count 411
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 23 place count 408 transition count 410
Applied a total of 23 rules in 36 ms. Remains 408 /417 variables (removed 9) and now considering 410/424 (removed 14) transitions.
// Phase 1: matrix 410 rows 408 cols
[2025-06-03 17:13:47] [INFO ] Computed 25 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:13:48] [INFO ] Implicit Places using invariants in 283 ms returned []
[2025-06-03 17:13:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:13:48] [INFO ] Implicit Places using invariants and state equation in 709 ms returned []
Implicit Place search using SMT with State Equation took 996 ms to find 0 implicit places.
Running 409 sub problems to find dead transitions.
[2025-06-03 17:13:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 817/818 variables, and 432 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 410/817 variables, 407/432 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/817 variables, 409/841 constraints. Problems are: Problem set: 0 solved, 409 unsolved
(s86 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 0)
(s20 0)
(s21 2)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 1)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 1)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 1)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 1)
(s75 0)
(s76 0)
(s77 0)
(s78 0)
(s79 0)
(s80 0)
(s81 0)
(s82 0)
(s83 0)
(s84 0)
(s85 0)
(s86 0timeout
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 817/818 variables, and 841 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 407/408 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60152ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60155ms
Starting structural reductions in LTL mode, iteration 1 : 408/417 places, 410/424 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61189 ms. Remains : 408/417 places, 410/424 transitions.
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-24b-LTLFireability-15
Product exploration explored 100000 steps with 629 reset in 256 ms.
Product exploration explored 100000 steps with 633 reset in 566 ms.
Computed a total of 75 stabilizing places and 75 stable transitions
Graph (complete) has 635 edges and 408 vertex of which 380 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.3 ms
Computed a total of 75 stabilizing places and 75 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 681 steps (0 resets) in 5 ms. (113 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 133 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
[2025-06-03 17:14:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 17:14:51] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 21 ms returned sat
[2025-06-03 17:14:51] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2025-06-03 17:14:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 17:14:51] [INFO ] [Nat]Absence check using 0 positive and 25 generalized place invariants in 25 ms returned sat
[2025-06-03 17:14:52] [INFO ] [Nat]Absence check using state equation in 592 ms returned sat
[2025-06-03 17:14:52] [INFO ] Computed and/alt/rep : 404/530/404 causal constraints (skipped 5 transitions) in 49 ms.
[2025-06-03 17:14:58] [INFO ] Added : 390 causal constraints over 78 iterations in 5515 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 408/408 places, 410/410 transitions.
Graph (trivial) has 333 edges and 408 vertex of which 6 / 408 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 629 edges and 403 vertex of which 375 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.2 ms
Discarding 28 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 191 transitions
Trivial Post-agglo rules discarded 191 transitions
Performed 191 trivial Post agglomeration. Transition count delta: 191
Iterating post reduction 0 with 191 rules applied. Total rules applied 193 place count 374 transition count 209
Reduce places removed 191 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 192 rules applied. Total rules applied 385 place count 183 transition count 208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 386 place count 182 transition count 208
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 52 Pre rules applied. Total rules applied 386 place count 182 transition count 156
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 3 with 104 rules applied. Total rules applied 490 place count 130 transition count 156
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 513 place count 107 transition count 133
Iterating global reduction 3 with 23 rules applied. Total rules applied 536 place count 107 transition count 133
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 3 with 148 rules applied. Total rules applied 684 place count 33 transition count 59
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 685 place count 33 transition count 58
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 708 place count 10 transition count 13
Iterating global reduction 4 with 23 rules applied. Total rules applied 731 place count 10 transition count 13
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 4 with 2 rules applied. Total rules applied 733 place count 9 transition count 12
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 734 place count 8 transition count 11
Applied a total of 734 rules in 33 ms. Remains 8 /408 variables (removed 400) and now considering 11/410 (removed 399) transitions.
// Phase 1: matrix 11 rows 8 cols
[2025-06-03 17:14:58] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:14:58] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-03 17:14:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:14:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:14:58] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:14:58] [INFO ] Redundant transitions in 19 ms returned []
Running 7 sub problems to find dead transitions.
[2025-06-03 17:14:58] [INFO ] Invariant cache hit.
[2025-06-03 17:14:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1/19 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/19 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 201 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 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 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/19 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/19 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 224 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 431ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 431ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/408 places, 11/410 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 564 ms. Remains : 8/408 places, 11/410 transitions.
Computed a total of 2 stabilizing places and 4 stable transitions
Computed a total of 2 stabilizing places and 4 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 224 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 7 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 252 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
[2025-06-03 17:14:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 17:14:59] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 17:14:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 17:14:59] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 17:14:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 17:14:59] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-03 17:14:59] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 17:14:59] [INFO ] Computed and/alt/rep : 7/15/7 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 17:14:59] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering criterion allowed to conclude after 6 steps with 2 reset in 1 ms.
FORMULA GPUForwardProgress-PT-24b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-24b-LTLFireability-15 finished in 71762 ms.
All properties solved by simple procedures.
Total runtime 1041998 ms.
BK_STOP 1748970899716
--------------------
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="GPUForwardProgress-PT-24b"
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 GPUForwardProgress-PT-24b, 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 r100-smll-174867008000468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-24b.tgz
mv GPUForwardProgress-PT-24b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;