About the Execution of ITS-Tools for GPUForwardProgress-PT-40b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 708581.00 | 0.00 | 0.00 | FFTFTFFFTFFFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867008100532.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-40b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867008100532
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K 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 18K 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 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K 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 199K 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-40b-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-40b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748994896710
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-40b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 23:54:59] [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 23:54:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:54:59] [INFO ] Load time of PNML (sax parser for PT used): 231 ms
[2025-06-03 23:54:59] [INFO ] Transformed 796 places.
[2025-06-03 23:54:59] [INFO ] Transformed 837 transitions.
[2025-06-03 23:54:59] [INFO ] Found NUPN structural information;
[2025-06-03 23:54:59] [INFO ] Parsed PT model containing 796 places and 837 transitions and 2077 arcs in 480 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40b-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 796 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 796/796 places, 837/837 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 795 transition count 837
Discarding 85 places :
Symmetric choice reduction at 1 with 85 rule applications. Total rules 86 place count 710 transition count 752
Iterating global reduction 1 with 85 rules applied. Total rules applied 171 place count 710 transition count 752
Discarding 37 places :
Symmetric choice reduction at 1 with 37 rule applications. Total rules 208 place count 673 transition count 715
Iterating global reduction 1 with 37 rules applied. Total rules applied 245 place count 673 transition count 715
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 1 with 34 rules applied. Total rules applied 279 place count 673 transition count 681
Applied a total of 279 rules in 305 ms. Remains 673 /796 variables (removed 123) and now considering 681/837 (removed 156) transitions.
// Phase 1: matrix 681 rows 673 cols
[2025-06-03 23:55:00] [INFO ] Computed 41 invariants in 43 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:55:01] [INFO ] Implicit Places using invariants in 661 ms returned []
[2025-06-03 23:55:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:55:02] [INFO ] Implicit Places using invariants and state equation in 909 ms returned []
Implicit Place search using SMT with State Equation took 1625 ms to find 0 implicit places.
Running 680 sub problems to find dead transitions.
[2025-06-03 23:55:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/672 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 680 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 1.0)
(s39 1.0)
(s40 1.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 1.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 1.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 1.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 1.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 1.0)
(s74 0.0)
(s75 0.0)
(s76 1.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 1.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 1.0)
(s91 1.0)
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(s227 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 672/1354 variables, and 41 constraints, problems are : Problem set: 0 solved, 680 unsolved in 30051 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/673 constraints, PredecessorRefiner: 680/680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 680 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/672 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 680 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/672 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 680 unsolved
At refinement iteration 2 (OVERLAPS) 681/1353 variables, 672/713 constraints. Problems are: Problem set: 0 solved, 680 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1353 variables, 680/1393 constraints. Problems are: Problem set: 0 solved, 680 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1353/1354 variables, and 1393 constraints, problems are : Problem set: 0 solved, 680 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 672/673 constraints, PredecessorRefiner: 680/680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60515ms problems are : Problem set: 0 solved, 680 unsolved
Search for dead transitions found 0 dead transitions in 60541ms
Starting structural reductions in LTL mode, iteration 1 : 673/796 places, 681/837 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62503 ms. Remains : 673/796 places, 681/837 transitions.
Support contains 23 out of 673 places after structural reductions.
[2025-06-03 23:56:03] [INFO ] Flatten gal took : 107 ms
[2025-06-03 23:56:03] [INFO ] Flatten gal took : 64 ms
[2025-06-03 23:56:03] [INFO ] Input system was already deterministic with 681 transitions.
Support contains 22 out of 673 places (down from 23) after GAL structural reductions.
RANDOM walk for 40000 steps (119 resets) in 1391 ms. (28 steps per ms) remains 15/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 56 ms. (70 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
[2025-06-03 23:56:03] [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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 196/208 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 464/672 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/672 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 681/1353 variables, 672/713 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1353 variables, 0/713 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 1/1354 variables, 1/714 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1354 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/1354 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1354/1354 variables, and 714 constraints, problems are : Problem set: 0 solved, 15 unsolved in 1849 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 673/673 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 196/208 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 464/672 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/672 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 681/1353 variables, 672/713 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1353 variables, 15/728 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1353 variables, 0/728 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 1/1354 variables, 1/729 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1354 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/1354 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1354/1354 variables, and 729 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3717 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 673/673 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5581ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 4 different solutions.
Finished Parikh walk after 292 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=146 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 15 properties in 278 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 125 stabilizing places and 125 stable transitions
Graph (complete) has 1050 edges and 673 vertex of which 629 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.36 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 673 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Graph (trivial) has 556 edges and 673 vertex of which 6 / 673 are part of one of the 1 SCC in 3 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 1044 edges and 668 vertex of which 624 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.5 ms
Discarding 44 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 323 transitions
Trivial Post-agglo rules discarded 323 transitions
Performed 323 trivial Post agglomeration. Transition count delta: 323
Iterating post reduction 0 with 323 rules applied. Total rules applied 325 place count 623 transition count 348
Reduce places removed 323 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 334 rules applied. Total rules applied 659 place count 300 transition count 337
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 664 place count 295 transition count 337
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 85 Pre rules applied. Total rules applied 664 place count 295 transition count 252
Deduced a syphon composed of 85 places in 0 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 3 with 170 rules applied. Total rules applied 834 place count 210 transition count 252
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 874 place count 170 transition count 212
Iterating global reduction 3 with 40 rules applied. Total rules applied 914 place count 170 transition count 212
Performed 121 Post agglomeration using F-continuation condition.Transition count delta: 121
Deduced a syphon composed of 121 places in 1 ms
Reduce places removed 121 places and 0 transitions.
Iterating global reduction 3 with 242 rules applied. Total rules applied 1156 place count 49 transition count 91
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1157 place count 49 transition count 90
Discarding 40 places :
Symmetric choice reduction at 4 with 40 rule applications. Total rules 1197 place count 9 transition count 11
Iterating global reduction 4 with 40 rules applied. Total rules applied 1237 place count 9 transition count 11
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 1239 place count 8 transition count 10
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1240 place count 7 transition count 9
Applied a total of 1240 rules in 102 ms. Remains 7 /673 variables (removed 666) and now considering 9/681 (removed 672) transitions.
// Phase 1: matrix 9 rows 7 cols
[2025-06-03 23:56:10] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:56:10] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-03 23:56:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:56:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 23:56:10] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:56:10] [INFO ] Redundant transitions in 20 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 23:56:10] [INFO ] Invariant cache hit.
[2025-06-03 23:56:10] [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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 8/13 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2/15 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1/16 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/16 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 8 constraints, problems are : Problem set: 0 solved, 5 unsolved in 126 ms.
Refiners :[State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 8/13 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2/15 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 1/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 133 ms.
Refiners :[State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 266ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/673 places, 9/681 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 456 ms. Remains : 7/673 places, 9/681 transitions.
Stuttering acceptance computed with spot in 240 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-00
Stuttering criterion allowed to conclude after 26 steps with 3 reset in 2 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-00 finished in 797 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (F(p1)&&X((G(F(p2)) U p3)))))'
Support contains 4 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 666 transition count 674
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 666 transition count 674
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 19 place count 666 transition count 669
Applied a total of 19 rules in 102 ms. Remains 666 /673 variables (removed 7) and now considering 669/681 (removed 12) transitions.
// Phase 1: matrix 669 rows 666 cols
[2025-06-03 23:56:11] [INFO ] Computed 41 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:56:11] [INFO ] Implicit Places using invariants in 375 ms returned []
[2025-06-03 23:56:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:56:12] [INFO ] Implicit Places using invariants and state equation in 842 ms returned []
Implicit Place search using SMT with State Equation took 1219 ms to find 0 implicit places.
Running 668 sub problems to find dead transitions.
[2025-06-03 23:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
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(s381 18.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/1335 variables, and 41 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 668/1374 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1334/1335 variables, and 1374 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60292ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60305ms
Starting structural reductions in LTL mode, iteration 1 : 666/673 places, 669/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61629 ms. Remains : 666/673 places, 669/681 transitions.
Stuttering acceptance computed with spot in 437 ms :[(OR (NOT p1) (NOT p3)), (NOT p1), (NOT p3), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-01
Product exploration explored 100000 steps with 860 reset in 373 ms.
Product exploration explored 100000 steps with 867 reset in 303 ms.
Computed a total of 123 stabilizing places and 123 stable transitions
Graph (complete) has 1038 edges and 666 vertex of which 622 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.16 ms
Computed a total of 123 stabilizing places and 123 stable transitions
Detected a total of 123/666 stabilizing places and 123/669 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (AND (NOT p1) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p1) (NOT p3))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 19 factoid took 220 ms. Reduced automaton from 7 states, 14 edges and 4 AP (stutter sensitive) to 19 states, 56 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 964 ms :[(OR (NOT p3) (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p3), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), false, false, false, false, false, false, false, false, false, false, false, false]
RANDOM walk for 40000 steps (117 resets) in 620 ms. (64 steps per ms) remains 11/21 properties
BEST_FIRST walk for 40003 steps (15 resets) in 213 ms. (186 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (12 resets) in 145 ms. (274 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (11 resets) in 174 ms. (228 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (12 resets) in 107 ms. (370 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40003 steps (12 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (12 resets) in 126 ms. (314 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (12 resets) in 83 ms. (476 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (11 resets) in 107 ms. (370 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (12 resets) in 189 ms. (210 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (11 resets) in 117 ms. (339 steps per ms) remains 10/10 properties
[2025-06-03 23:57:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 95/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 566/665 variables, 37/41 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/1335 variables, 1/707 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1335/1335 variables, and 707 constraints, problems are : Problem set: 0 solved, 10 unsolved in 3107 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 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, 10 unsolved
At refinement iteration 1 (OVERLAPS) 95/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 566/665 variables, 37/41 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 10/716 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 0/716 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 1/1335 variables, 1/717 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1335 variables, 0/717 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/1335 variables, 0/717 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1335/1335 variables, and 717 constraints, problems are : Problem set: 0 solved, 10 unsolved in 3091 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6218ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 9 different solutions.
Parikh walk visited 0 properties in 4172 ms.
Support contains 4 out of 666 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 666/666 places, 669/669 transitions.
Graph (trivial) has 540 edges and 666 vertex of which 6 / 666 are part of one of the 1 SCC in 5 ms
Free SCC test removed 5 places
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (complete) has 1031 edges and 661 vertex of which 617 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.1 ms
Discarding 44 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 320 transitions
Trivial Post-agglo rules discarded 320 transitions
Performed 320 trivial Post agglomeration. Transition count delta: 320
Iterating post reduction 0 with 322 rules applied. Total rules applied 324 place count 617 transition count 337
Reduce places removed 320 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 322 rules applied. Total rules applied 646 place count 297 transition count 335
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 648 place count 295 transition count 335
Performed 82 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 82 Pre rules applied. Total rules applied 648 place count 295 transition count 253
Deduced a syphon composed of 82 places in 1 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 812 place count 213 transition count 253
Discarding 41 places :
Symmetric choice reduction at 3 with 41 rule applications. Total rules 853 place count 172 transition count 212
Iterating global reduction 3 with 41 rules applied. Total rules applied 894 place count 172 transition count 212
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 894 place count 172 transition count 211
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 896 place count 171 transition count 211
Performed 117 Post agglomeration using F-continuation condition.Transition count delta: 117
Deduced a syphon composed of 117 places in 1 ms
Reduce places removed 117 places and 0 transitions.
Iterating global reduction 3 with 234 rules applied. Total rules applied 1130 place count 54 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 145 edges and 54 vertex of which 53 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 2 rules applied. Total rules applied 1132 place count 53 transition count 93
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1134 place count 53 transition count 91
Discarding 37 places :
Symmetric choice reduction at 5 with 37 rule applications. Total rules 1171 place count 16 transition count 17
Iterating global reduction 5 with 37 rules applied. Total rules applied 1208 place count 16 transition count 17
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 5 rules applied. Total rules applied 1213 place count 13 transition count 15
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 20 edges and 13 vertex of which 12 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 5 with 3 rules applied. Total rules applied 1216 place count 12 transition count 13
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1217 place count 12 transition count 12
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 1218 place count 12 transition count 12
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1219 place count 12 transition count 11
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1220 place count 11 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1221 place count 10 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 2 Pre rules applied. Total rules applied 1221 place count 10 transition count 8
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 1225 place count 8 transition count 8
Applied a total of 1225 rules in 55 ms. Remains 8 /666 variables (removed 658) and now considering 8/669 (removed 661) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 8/666 places, 8/669 transitions.
RANDOM walk for 40000 steps (8 resets) in 221 ms. (180 steps per ms) remains 0/10 properties
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (AND (NOT p1) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p1) (NOT p3))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p1) p2 (NOT p0) p3))), (F (NOT (OR (NOT p1) (NOT p2) p0 p3))), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT (OR p1 (NOT p2) p0 (NOT p3)))), (F (NOT (OR (NOT p1) p2 p0 p3))), (F (NOT (OR (NOT p1) (NOT p2) p0 (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2) (NOT p0) (NOT p3)))), (F p2), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0) p3))), (F p1), (F (NOT (AND (NOT p2) (NOT p0) (NOT p3)))), (F (NOT (OR p1 p2 (NOT p0) (NOT p3)))), (F p3), (F p0), (F (NOT (OR (NOT p1) p2 (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p1) p2 p0 (NOT p3)))), (F (NOT (OR p1 p2 p0 (NOT p3))))]
Knowledge based reduction with 19 factoid took 1208 ms. Reduced automaton from 19 states, 56 edges and 4 AP (stutter insensitive) to 19 states, 56 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 1088 ms :[(OR (NOT p3) (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p3), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), false, false, false, false, false, false, false, false, false, false, false, false]
Stuttering acceptance computed with spot in 1150 ms :[(OR (NOT p3) (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p3), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), false, false, false, false, false, false, false, false, false, false, false, false]
[2025-06-03 23:57:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 23:57:30] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 37 ms returned sat
[2025-06-03 23:57:30] [INFO ] [Real]Absence check using state equation in 196 ms returned unsat
Proved EG (NOT p3)
[2025-06-03 23:57:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 23:57:31] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 26 ms returned sat
[2025-06-03 23:57:33] [INFO ] [Real]Absence check using state equation in 2445 ms returned sat
[2025-06-03 23:57:33] [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 23:57:34] [INFO ] [Nat]Absence check using 0 positive and 41 generalized place invariants in 25 ms returned sat
[2025-06-03 23:57:34] [INFO ] [Nat]Absence check using state equation in 585 ms returned sat
[2025-06-03 23:57:34] [INFO ] Computed and/alt/rep : 663/871/663 causal constraints (skipped 5 transitions) in 54 ms.
[2025-06-03 23:57:37] [INFO ] Added : 237 causal constraints over 48 iterations in 2566 ms. Result :sat
Could not prove EG (NOT p1)
[2025-06-03 23:57:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 23:57:37] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 27 ms returned sat
[2025-06-03 23:57:44] [INFO ] [Real]Absence check using state equation in 7124 ms returned sat
[2025-06-03 23:57:44] [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 23:57:45] [INFO ] [Nat]Absence check using 0 positive and 41 generalized place invariants in 29 ms returned sat
[2025-06-03 23:57:50] [INFO ] [Nat]Absence check using state equation in 4845 ms returned sat
[2025-06-03 23:57:50] [INFO ] Computed and/alt/rep : 663/871/663 causal constraints (skipped 5 transitions) in 41 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:610)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:252)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:975)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
[2025-06-03 23:57:59] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (AND (NOT p0) (NOT p2))
Could not prove EG (AND (NOT p0) (NOT p2))
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (AND (NOT p1) (NOT p3) (NOT p2))), (X (AND (NOT p0) (NOT p3) (NOT p2))), (X (AND (NOT p1) (NOT p3))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p3) (NOT p2)))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p1) p2 (NOT p0) p3))), (F (NOT (OR (NOT p1) (NOT p2) p0 p3))), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT (OR p1 (NOT p2) p0 (NOT p3)))), (F (NOT (OR (NOT p1) p2 p0 p3))), (F (NOT (OR (NOT p1) (NOT p2) p0 (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2) (NOT p0) (NOT p3)))), (F p2), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0) p3))), (F p1), (F (NOT (AND (NOT p2) (NOT p0) (NOT p3)))), (F (NOT (OR p1 p2 (NOT p0) (NOT p3)))), (F p3), (F p0), (F (NOT (OR (NOT p1) p2 (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p1) p2 p0 (NOT p3)))), (F (NOT (OR p1 p2 p0 (NOT p3)))), (G (NOT p3))]
Property proved to be false thanks to negative knowledge :(G (NOT p3))
Knowledge based reduction with 19 factoid took 1480 ms. Reduced automaton from 19 states, 56 edges and 4 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA GPUForwardProgress-PT-40b-LTLFireability-01 FALSE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-01 finished in 110397 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||(G(p1) U X((p2&&F(G(p3)))))))))'
Support contains 4 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 668 transition count 676
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 668 transition count 676
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 13 place count 668 transition count 673
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 667 transition count 672
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 667 transition count 672
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 16 place count 667 transition count 671
Applied a total of 16 rules in 73 ms. Remains 667 /673 variables (removed 6) and now considering 671/681 (removed 10) transitions.
// Phase 1: matrix 671 rows 667 cols
[2025-06-03 23:58:01] [INFO ] Computed 41 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:58:01] [INFO ] Implicit Places using invariants in 271 ms returned []
[2025-06-03 23:58:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:58:02] [INFO ] Implicit Places using invariants and state equation in 770 ms returned []
Implicit Place search using SMT with State Equation took 1047 ms to find 0 implicit places.
Running 670 sub problems to find dead transitions.
[2025-06-03 23:58:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/666 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 670 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 666/1338 variables, and 41 constraints, problems are : Problem set: 0 solved, 670 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/667 constraints, PredecessorRefiner: 670/670 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 670 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/666 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 670 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/666 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 670 unsolved
At refinement iteration 2 (OVERLAPS) 671/1337 variables, 666/707 constraints. Problems are: Problem set: 0 solved, 670 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1337 variables, 670/1377 constraints. Problems are: Problem set: 0 solved, 670 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1337/1338 variables, and 1377 constraints, problems are : Problem set: 0 solved, 670 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/667 constraints, PredecessorRefiner: 670/670 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60184ms problems are : Problem set: 0 solved, 670 unsolved
Search for dead transitions found 0 dead transitions in 60187ms
Starting structural reductions in LTL mode, iteration 1 : 667/673 places, 671/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61308 ms. Remains : 667/673 places, 671/681 transitions.
Stuttering acceptance computed with spot in 369 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-03
Stuttering criterion allowed to conclude after 329 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-03 finished in 61722 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||(X(F(p0)) U G(p1)))))'
Support contains 2 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 665 transition count 673
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 665 transition count 673
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 21 place count 665 transition count 668
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 664 transition count 667
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 664 transition count 667
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 24 place count 664 transition count 666
Applied a total of 24 rules in 79 ms. Remains 664 /673 variables (removed 9) and now considering 666/681 (removed 15) transitions.
// Phase 1: matrix 666 rows 664 cols
[2025-06-03 23:59:03] [INFO ] Computed 41 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:59:03] [INFO ] Implicit Places using invariants in 408 ms returned []
[2025-06-03 23:59:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:59:04] [INFO ] Implicit Places using invariants and state equation in 1129 ms returned []
Implicit Place search using SMT with State Equation took 1539 ms to find 0 implicit places.
Running 665 sub problems to find dead transitions.
[2025-06-03 23:59:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/663 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 665 unsolved
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(s531 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 663/1330 variables, and 41 constraints, problems are : Problem set: 0 solved, 665 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/664 constraints, PredecessorRefiner: 665/665 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 665 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/663 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 665 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/663 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 665 unsolved
At refinement iteration 2 (OVERLAPS) 666/1329 variables, 663/704 constraints. Problems are: Problem set: 0 solved, 665 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1329 variables, 665/1369 constraints. Problems are: Problem set: 0 solved, 665 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1329/1330 variables, and 1369 constraints, problems are : Problem set: 0 solved, 665 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 663/664 constraints, PredecessorRefiner: 665/665 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60218ms problems are : Problem set: 0 solved, 665 unsolved
Search for dead transitions found 0 dead transitions in 60223ms
Starting structural reductions in LTL mode, iteration 1 : 664/673 places, 666/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61844 ms. Remains : 664/673 places, 666/681 transitions.
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-09
Stuttering criterion allowed to conclude after 329 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-09 finished in 62068 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 673 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Graph (trivial) has 556 edges and 673 vertex of which 6 / 673 are part of one of the 1 SCC in 2 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 1044 edges and 668 vertex of which 624 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.3 ms
Discarding 44 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 321 transitions
Trivial Post-agglo rules discarded 321 transitions
Performed 321 trivial Post agglomeration. Transition count delta: 321
Iterating post reduction 0 with 321 rules applied. Total rules applied 323 place count 623 transition count 350
Reduce places removed 321 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 332 rules applied. Total rules applied 655 place count 302 transition count 339
Reduce places removed 5 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 6 rules applied. Total rules applied 661 place count 297 transition count 338
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 662 place count 296 transition count 338
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 85 Pre rules applied. Total rules applied 662 place count 296 transition count 253
Deduced a syphon composed of 85 places in 1 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 4 with 170 rules applied. Total rules applied 832 place count 211 transition count 253
Discarding 40 places :
Symmetric choice reduction at 4 with 40 rule applications. Total rules 872 place count 171 transition count 213
Iterating global reduction 4 with 40 rules applied. Total rules applied 912 place count 171 transition count 213
Performed 122 Post agglomeration using F-continuation condition.Transition count delta: 122
Deduced a syphon composed of 122 places in 0 ms
Reduce places removed 122 places and 0 transitions.
Iterating global reduction 4 with 244 rules applied. Total rules applied 1156 place count 49 transition count 91
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1157 place count 49 transition count 90
Discarding 39 places :
Symmetric choice reduction at 5 with 39 rule applications. Total rules 1196 place count 10 transition count 13
Iterating global reduction 5 with 39 rules applied. Total rules applied 1235 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 1237 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 1238 place count 8 transition count 11
Applied a total of 1238 rules in 76 ms. Remains 8 /673 variables (removed 665) and now considering 11/681 (removed 670) transitions.
// Phase 1: matrix 11 rows 8 cols
[2025-06-04 00:00:05] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:00:05] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-04 00:00:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:00:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 00:00:05] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 00:00:05] [INFO ] Redundant transitions in 20 ms returned []
Running 7 sub problems to find dead transitions.
[2025-06-04 00:00:05] [INFO ] Invariant cache hit.
[2025-06-04 00:00:05] [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 164 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 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]
After SMT, in 388ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 389ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/673 places, 11/681 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 555 ms. Remains : 8/673 places, 11/681 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-11 finished in 622 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))&&F((p1||X((p2||X(F(p3))))))))'
Support contains 3 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 667 transition count 675
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 667 transition count 675
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 667 transition count 671
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 666 transition count 670
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 666 transition count 670
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 19 place count 666 transition count 669
Applied a total of 19 rules in 91 ms. Remains 666 /673 variables (removed 7) and now considering 669/681 (removed 12) transitions.
// Phase 1: matrix 669 rows 666 cols
[2025-06-04 00:00:05] [INFO ] Computed 41 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:00:06] [INFO ] Implicit Places using invariants in 345 ms returned []
[2025-06-04 00:00:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:00:07] [INFO ] Implicit Places using invariants and state equation in 1035 ms returned []
Implicit Place search using SMT with State Equation took 1388 ms to find 0 implicit places.
Running 668 sub problems to find dead transitions.
[2025-06-04 00:00:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/1335 variables, and 41 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 668/1374 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1334/1335 variables, and 1374 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60156ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60158ms
Starting structural reductions in LTL mode, iteration 1 : 666/673 places, 669/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61642 ms. Remains : 666/673 places, 669/681 transitions.
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p0), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-12
Product exploration explored 100000 steps with 29108 reset in 275 ms.
Product exploration explored 100000 steps with 28596 reset in 310 ms.
Computed a total of 124 stabilizing places and 124 stable transitions
Graph (complete) has 1038 edges and 666 vertex of which 622 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.11 ms
Computed a total of 124 stabilizing places and 124 stable transitions
Detected a total of 124/666 stabilizing places and 124/669 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) p3), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3)))))]
Knowledge based reduction with 9 factoid took 206 ms. Reduced automaton from 4 states, 5 edges and 4 AP (stutter sensitive) to 3 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (117 resets) in 131 ms. (303 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (12 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
[2025-06-04 00:01:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 611/665 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/1335 variables, 1/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1335/1335 variables, and 707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 686 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 611/665 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 1/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1335 variables, 1/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1335 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1335 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1335/1335 variables, and 708 constraints, problems are : Problem set: 0 solved, 1 unsolved in 711 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1407ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 161 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=161 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) p3), (X (NOT p2)), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (F p1), (F p2), (F (NOT (OR p3 p1 p2))), (F (NOT p3))]
Knowledge based reduction with 9 factoid took 462 ms. Reduced automaton from 3 states, 3 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2))]
Support contains 3 out of 666 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 666/666 places, 669/669 transitions.
Applied a total of 0 rules in 29 ms. Remains 666 /666 variables (removed 0) and now considering 669/669 (removed 0) transitions.
[2025-06-04 00:01:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:01:11] [INFO ] Implicit Places using invariants in 411 ms returned []
[2025-06-04 00:01:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:01:12] [INFO ] Implicit Places using invariants and state equation in 1011 ms returned []
Implicit Place search using SMT with State Equation took 1436 ms to find 0 implicit places.
Running 668 sub problems to find dead transitions.
[2025-06-04 00:01:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/1335 variables, and 41 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 668/1374 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1334/1335 variables, and 1374 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60172ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60176ms
Finished structural reductions in LTL mode , in 1 iterations and 61644 ms. Remains : 666/666 places, 669/669 transitions.
Computed a total of 124 stabilizing places and 124 stable transitions
Graph (complete) has 1038 edges and 666 vertex of which 622 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.11 ms
Computed a total of 124 stabilizing places and 124 stable transitions
Detected a total of 124/666 stabilizing places and 124/669 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p3 (NOT p1) (NOT p2)), (X (X (NOT p2))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p2)))))]
Knowledge based reduction with 4 factoid took 329 ms. Reduced automaton from 3 states, 3 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
RANDOM walk for 40000 steps (117 resets) in 135 ms. (294 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40002 steps (12 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
[2025-06-04 00:02:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 611/665 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/1335 variables, 1/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1335 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1335/1335 variables, and 707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 945 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 611/665 variables, 40/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1334 variables, 1/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1334 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/1335 variables, 1/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1335 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1335 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1335/1335 variables, and 708 constraints, problems are : Problem set: 0 solved, 1 unsolved in 839 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 666/666 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1796ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 146 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=146 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(AND p3 (NOT p1) (NOT p2)), (X (X (NOT p2))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p2))))), (F p1), (F p2), (F (NOT (OR p3 p2 p1))), (F (NOT p3))]
Knowledge based reduction with 4 factoid took 443 ms. Reduced automaton from 3 states, 3 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
Product exploration explored 100000 steps with 20107 reset in 155 ms.
Product exploration explored 100000 steps with 20230 reset in 206 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p1))]
Support contains 3 out of 666 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 666/666 places, 669/669 transitions.
Graph (trivial) has 541 edges and 666 vertex of which 6 / 666 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 1032 edges and 661 vertex of which 617 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.3 ms
Discarding 44 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 318 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 318 rules applied. Total rules applied 320 place count 617 transition count 660
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 43 Pre rules applied. Total rules applied 320 place count 617 transition count 663
Deduced a syphon composed of 361 places in 2 ms
Iterating global reduction 1 with 43 rules applied. Total rules applied 363 place count 617 transition count 663
Discarding 235 places :
Symmetric choice reduction at 1 with 235 rule applications. Total rules 598 place count 382 transition count 428
Deduced a syphon composed of 165 places in 1 ms
Iterating global reduction 1 with 235 rules applied. Total rules applied 833 place count 382 transition count 428
Discarding 39 places :
Symmetric choice reduction at 1 with 39 rule applications. Total rules 872 place count 343 transition count 389
Deduced a syphon composed of 126 places in 1 ms
Iterating global reduction 1 with 39 rules applied. Total rules applied 911 place count 343 transition count 389
Performed 125 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 251 places in 0 ms
Iterating global reduction 1 with 125 rules applied. Total rules applied 1036 place count 343 transition count 390
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1038 place count 343 transition count 388
Discarding 86 places :
Symmetric choice reduction at 2 with 86 rule applications. Total rules 1124 place count 257 transition count 301
Deduced a syphon composed of 165 places in 0 ms
Iterating global reduction 2 with 86 rules applied. Total rules applied 1210 place count 257 transition count 301
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 166 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 1211 place count 257 transition count 301
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 1212 place count 256 transition count 300
Deduced a syphon composed of 165 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 1213 place count 256 transition count 300
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -119
Deduced a syphon composed of 205 places in 1 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 1253 place count 256 transition count 419
Discarding 78 places :
Symmetric choice reduction at 2 with 78 rule applications. Total rules 1331 place count 178 transition count 263
Deduced a syphon composed of 164 places in 0 ms
Iterating global reduction 2 with 78 rules applied. Total rules applied 1409 place count 178 transition count 263
Discarding 111 places :
Symmetric choice reduction at 2 with 111 rule applications. Total rules 1520 place count 67 transition count 78
Deduced a syphon composed of 53 places in 0 ms
Iterating global reduction 2 with 111 rules applied. Total rules applied 1631 place count 67 transition count 78
Deduced a syphon composed of 53 places in 0 ms
Applied a total of 1631 rules in 247 ms. Remains 67 /666 variables (removed 599) and now considering 78/669 (removed 591) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 00:02:16] [INFO ] Redundant transitions in 21 ms returned []
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 78 rows 67 cols
[2025-06-04 00:02:16] [INFO ] Computed 0 invariants in 3 ms
[2025-06-04 00:02:16] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 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 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 TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
At refinement iteration 1 (OVERLAPS) 77/143 variables, 66/66 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 10/76 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/76 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 1/144 variables, 1/77 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 0/77 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 1/145 variables, 1/78 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/145 variables, 0/78 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 0/145 variables, 0/78 constraints. Problems are: Problem set: 58 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 145/145 variables, and 78 constraints, problems are : Problem set: 58 solved, 19 unsolved in 1882 ms.
Refiners :[State Equation: 67/67 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 58 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 76/89 variables, 13/13 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 10/23 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 19/42 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/42 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 55/144 variables, 54/96 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 0/96 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 1/145 variables, 1/97 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/145 variables, 0/97 constraints. Problems are: Problem set: 58 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 0/145 variables, 0/97 constraints. Problems are: Problem set: 58 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 145/145 variables, and 97 constraints, problems are : Problem set: 58 solved, 19 unsolved in 1521 ms.
Refiners :[State Equation: 67/67 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 19/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3417ms problems are : Problem set: 58 solved, 19 unsolved
Search for dead transitions found 58 dead transitions in 3417ms
Found 58 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 58 transitions
Dead transitions reduction (with SMT) removed 58 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 67/666 places, 20/669 transitions.
Graph (complete) has 43 edges and 67 vertex of which 14 are kept as prefixes of interest. Removing 53 places using SCC suffix rule.0 ms
Discarding 53 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 14 /67 variables (removed 53) and now considering 20/20 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/666 places, 20/669 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3698 ms. Remains : 14/666 places, 20/669 transitions.
Built C files in :
/tmp/ltsmin17027241833363857203
[2025-06-04 00:02:20] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17027241833363857203
Running compilation step : cd /tmp/ltsmin17027241833363857203;'/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 1880 ms.
Running link step : cd /tmp/ltsmin17027241833363857203;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin17027241833363857203;'/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/stateBased226287863671719959.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 666 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 666/666 places, 669/669 transitions.
Applied a total of 0 rules in 20 ms. Remains 666 /666 variables (removed 0) and now considering 669/669 (removed 0) transitions.
// Phase 1: matrix 669 rows 666 cols
[2025-06-04 00:02:35] [INFO ] Computed 41 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:02:35] [INFO ] Implicit Places using invariants in 345 ms returned []
[2025-06-04 00:02:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:02:36] [INFO ] Implicit Places using invariants and state equation in 1004 ms returned []
Implicit Place search using SMT with State Equation took 1353 ms to find 0 implicit places.
Running 668 sub problems to find dead transitions.
[2025-06-04 00:02:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/1335 variables, and 41 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30064 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 668 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/665 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 2 (OVERLAPS) 669/1334 variables, 665/706 constraints. Problems are: Problem set: 0 solved, 668 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 668/1374 constraints. Problems are: Problem set: 0 solved, 668 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1334/1335 variables, and 1374 constraints, problems are : Problem set: 0 solved, 668 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/666 constraints, PredecessorRefiner: 668/668 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60234ms problems are : Problem set: 0 solved, 668 unsolved
Search for dead transitions found 0 dead transitions in 60238ms
Finished structural reductions in LTL mode , in 1 iterations and 61617 ms. Remains : 666/666 places, 669/669 transitions.
Built C files in :
/tmp/ltsmin11950343540083178130
[2025-06-04 00:03:37] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11950343540083178130
Running compilation step : cd /tmp/ltsmin11950343540083178130;'/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 1968 ms.
Running link step : cd /tmp/ltsmin11950343540083178130;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 76 ms.
Running LTSmin : cd /tmp/ltsmin11950343540083178130;'/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/stateBased11053747584531895444.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-04 00:03:52] [INFO ] Flatten gal took : 40 ms
[2025-06-04 00:03:52] [INFO ] Flatten gal took : 38 ms
[2025-06-04 00:03:52] [INFO ] Time to serialize gal into /tmp/LTL3656367975684865984.gal : 11 ms
[2025-06-04 00:03:52] [INFO ] Time to serialize properties into /tmp/LTL16894225487052717637.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/LTL3656367975684865984.gal' '-t' 'CGAL' '-hoa' '/tmp/aut4091156311330050175.hoa' '-atoms' '/tmp/LTL16894225487052717637.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/LTL16894225487052717637.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut4091156311330050175.hoa
Detected timeout of ITS tools.
[2025-06-04 00:04:07] [INFO ] Flatten gal took : 53 ms
[2025-06-04 00:04:07] [INFO ] Flatten gal took : 52 ms
[2025-06-04 00:04:07] [INFO ] Time to serialize gal into /tmp/LTL9600873525854506848.gal : 12 ms
[2025-06-04 00:04:07] [INFO ] Time to serialize properties into /tmp/LTL7799586050920881056.ltl : 10 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/LTL9600873525854506848.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7799586050920881056.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !(((X(F("(p313==0)")))&&(F(("(p313==1)")||(X(("(p109==1)")||(X(F("(p761==0)")))))))))
Formula 0 simplified : XG!"(p313==0)" | G(!"(p313==1)" & X(!"(p109==1)" & XG!"(p761==0)"))
Detected timeout of ITS tools.
[2025-06-04 00:04:22] [INFO ] Flatten gal took : 50 ms
[2025-06-04 00:04:22] [INFO ] Applying decomposition
[2025-06-04 00:04:22] [INFO ] Flatten gal took : 44 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/graph1203502360995592979.txt' '-o' '/tmp/graph1203502360995592979.bin' '-w' '/tmp/graph1203502360995592979.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1203502360995592979.bin' '-l' '-1' '-v' '-w' '/tmp/graph1203502360995592979.weights' '-q' '0' '-e' '0.001'
[2025-06-04 00:04:23] [INFO ] Decomposing Gal with order
[2025-06-04 00:04:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 00:04:23] [INFO ] Removed a total of 213 redundant transitions.
[2025-06-04 00:04:23] [INFO ] Flatten gal took : 210 ms
[2025-06-04 00:04:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 17 ms.
[2025-06-04 00:04:23] [INFO ] Time to serialize gal into /tmp/LTL11859060491327076146.gal : 24 ms
[2025-06-04 00:04:23] [INFO ] Time to serialize properties into /tmp/LTL7540882668527529836.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/LTL11859060491327076146.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7540882668527529836.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((X(F("(i17.u116.p313==0)")))&&(F(("(i17.u116.p313==1)")||(X(("(i6.u41.p109==1)")||(X(F("(i40.u276.p761==0)")))))))))
Formula 0 simplified : XG!"(i17.u116.p313==0)" | G(!"(i17.u116.p313==1)" & X(!"(i6.u41.p109==1)" & XG!"(i40.u276.p761==0)"))
Reverse transition relation is NOT exact ! Due to transitions t599, i0.i1.t93, i0.i1.i1.u245.t86, i1.i1.i1.t254, i1.i1.i1.u170.t261, i2.t453, i2.t446, i3.i...1152
Computing Next relation with stutter on 2.43153e+19 deadlock states
4 unique states visited
0 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
488 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,0,5.02869,137512,1,0,250104,352,6348,245242,159,677,1055814
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-12 finished in 263464 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||G(p1)))))'
Support contains 2 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 666 transition count 674
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 666 transition count 674
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 666 transition count 670
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 665 transition count 669
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 665 transition count 669
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 665 transition count 668
Applied a total of 21 rules in 71 ms. Remains 665 /673 variables (removed 8) and now considering 668/681 (removed 13) transitions.
// Phase 1: matrix 668 rows 665 cols
[2025-06-04 00:04:29] [INFO ] Computed 41 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:04:29] [INFO ] Implicit Places using invariants in 452 ms returned []
[2025-06-04 00:04:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:04:30] [INFO ] Implicit Places using invariants and state equation in 1112 ms returned []
Implicit Place search using SMT with State Equation took 1580 ms to find 0 implicit places.
Running 667 sub problems to find dead transitions.
[2025-06-04 00:04:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/664 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 664/1333 variables, and 41 constraints, problems are : Problem set: 0 solved, 667 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/665 constraints, PredecessorRefiner: 667/667 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 667 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/664 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/664 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 2 (OVERLAPS) 668/1332 variables, 664/705 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1332 variables, 667/1372 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1332/1333 variables, and 1372 constraints, problems are : Problem set: 0 solved, 667 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 664/665 constraints, PredecessorRefiner: 667/667 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 667 unsolved
Search for dead transitions found 0 dead transitions in 60178ms
Starting structural reductions in LTL mode, iteration 1 : 665/673 places, 668/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61834 ms. Remains : 665/673 places, 668/681 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-13
Product exploration explored 100000 steps with 4102 reset in 304 ms.
Product exploration explored 100000 steps with 4096 reset in 300 ms.
Computed a total of 123 stabilizing places and 123 stable transitions
Graph (complete) has 1037 edges and 665 vertex of which 621 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.6 ms
Computed a total of 123 stabilizing places and 123 stable transitions
Detected a total of 123/665 stabilizing places and 123/668 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 224 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 195 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
RANDOM walk for 40000 steps (119 resets) in 158 ms. (251 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (12 resets) in 56 ms. (701 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (12 resets) in 44 ms. (888 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (12 resets) in 41 ms. (952 steps per ms) remains 3/3 properties
[2025-06-04 00:05:32] [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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 591/593 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/593 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/664 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/664 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 668/1332 variables, 664/705 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1332 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/1333 variables, 1/706 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1333 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/1333 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1333/1333 variables, and 706 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1417 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/665 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 591/593 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/593 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/664 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/664 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 668/1332 variables, 664/705 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1332 variables, 3/708 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1332 variables, 0/708 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/1333 variables, 1/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1333 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/1333 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1333/1333 variables, and 709 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1362 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 665/665 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2791ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 42 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=42 )
Parikh walk visited 3 properties in 6 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 10 factoid took 606 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
[2025-06-04 00:05:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 00:05:36] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 35 ms returned sat
[2025-06-04 00:05:37] [INFO ] [Real]Absence check using state equation in 972 ms returned sat
[2025-06-04 00:05:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 00:05:38] [INFO ] [Nat]Absence check using 0 positive and 41 generalized place invariants in 25 ms returned sat
[2025-06-04 00:05:38] [INFO ] [Nat]Absence check using state equation in 739 ms returned sat
[2025-06-04 00:05:38] [INFO ] Computed and/alt/rep : 662/869/662 causal constraints (skipped 5 transitions) in 57 ms.
[2025-06-04 00:05:39] [INFO ] Added : 79 causal constraints over 16 iterations in 1053 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 2 out of 665 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 665/665 places, 668/668 transitions.
Graph (trivial) has 543 edges and 665 vertex of which 6 / 665 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 1031 edges and 660 vertex of which 616 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.2 ms
Discarding 44 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 321 transitions
Trivial Post-agglo rules discarded 321 transitions
Performed 321 trivial Post agglomeration. Transition count delta: 321
Iterating post reduction 0 with 321 rules applied. Total rules applied 323 place count 615 transition count 337
Reduce places removed 321 places and 0 transitions.
Iterating post reduction 1 with 321 rules applied. Total rules applied 644 place count 294 transition count 337
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 644 place count 294 transition count 253
Deduced a syphon composed of 84 places in 0 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 812 place count 210 transition count 253
Discarding 39 places :
Symmetric choice reduction at 2 with 39 rule applications. Total rules 851 place count 171 transition count 214
Iterating global reduction 2 with 39 rules applied. Total rules applied 890 place count 171 transition count 214
Performed 119 Post agglomeration using F-continuation condition.Transition count delta: 119
Deduced a syphon composed of 119 places in 0 ms
Reduce places removed 119 places and 0 transitions.
Iterating global reduction 2 with 238 rules applied. Total rules applied 1128 place count 52 transition count 95
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1129 place count 52 transition count 94
Discarding 39 places :
Symmetric choice reduction at 3 with 39 rule applications. Total rules 1168 place count 13 transition count 17
Iterating global reduction 3 with 39 rules applied. Total rules applied 1207 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 3 with 4 rules applied. Total rules applied 1211 place count 11 transition count 16
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 1213 place count 11 transition count 16
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 1214 place count 10 transition count 15
Applied a total of 1214 rules in 35 ms. Remains 10 /665 variables (removed 655) and now considering 15/668 (removed 653) transitions.
[2025-06-04 00:05:40] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
// Phase 1: matrix 14 rows 10 cols
[2025-06-04 00:05:40] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:05:40] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-04 00:05:40] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
[2025-06-04 00:05:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:05:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 00:05:40] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 00:05:40] [INFO ] Redundant transitions in 15 ms returned []
Running 8 sub problems to find dead transitions.
[2025-06-04 00:05:40] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
[2025-06-04 00:05:40] [INFO ] Invariant cache hit.
[2025-06-04 00:05:40] [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 138 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 147 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 289ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 289ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/665 places, 15/668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 409 ms. Remains : 10/665 places, 15/668 transitions.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Detected a total of 4/10 stabilizing places and 4/15 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 601 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
RANDOM walk for 178 steps (19 resets) in 7 ms. (22 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F p0), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 6 factoid took 943 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 189 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
[2025-06-04 00:05:42] [INFO ] Flow matrix only has 14 transitions (discarded 1 similar events)
[2025-06-04 00:05:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 00:05:42] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-04 00:05:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 00:05:42] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-04 00:05:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-04 00:05:42] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-04 00:05:42] [INFO ] Computed and/alt/rep : 8/18/8 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-04 00:05:42] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false, false]
Stuttering criterion allowed to conclude after 7 steps with 3 reset in 0 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-13 finished in 73617 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((p0||G(p1)))||X(p2)) U p3))'
Support contains 3 out of 673 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 673/673 places, 681/681 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 666 transition count 674
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 666 transition count 674
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 666 transition count 670
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 665 transition count 669
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 665 transition count 669
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 665 transition count 668
Applied a total of 21 rules in 124 ms. Remains 665 /673 variables (removed 8) and now considering 668/681 (removed 13) transitions.
// Phase 1: matrix 668 rows 665 cols
[2025-06-04 00:05:42] [INFO ] Computed 41 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:05:43] [INFO ] Implicit Places using invariants in 440 ms returned []
[2025-06-04 00:05:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:05:44] [INFO ] Implicit Places using invariants and state equation in 1056 ms returned []
Implicit Place search using SMT with State Equation took 1507 ms to find 0 implicit places.
Running 667 sub problems to find dead transitions.
[2025-06-04 00:05:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/664 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 664/1333 variables, and 41 constraints, problems are : Problem set: 0 solved, 667 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/665 constraints, PredecessorRefiner: 667/667 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 667 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/664 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/664 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 2 (OVERLAPS) 668/1332 variables, 664/705 constraints. Problems are: Problem set: 0 solved, 667 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1332 variables, 667/1372 constraints. Problems are: Problem set: 0 solved, 667 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1332/1333 variables, and 1372 constraints, problems are : Problem set: 0 solved, 667 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 664/665 constraints, PredecessorRefiner: 667/667 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60240ms problems are : Problem set: 0 solved, 667 unsolved
Search for dead transitions found 0 dead transitions in 60244ms
Starting structural reductions in LTL mode, iteration 1 : 665/673 places, 668/681 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61879 ms. Remains : 665/673 places, 668/681 transitions.
Stuttering acceptance computed with spot in 324 ms :[(NOT p3), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-40b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 42214 steps with 124 reset in 187 ms.
FORMULA GPUForwardProgress-PT-40b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-40b-LTLFireability-14 finished in 62415 ms.
All properties solved by simple procedures.
Total runtime 705914 ms.
BK_STOP 1748995605291
--------------------
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-40b"
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-40b, 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-174867008100532"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-40b.tgz
mv GPUForwardProgress-PT-40b 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 ;