About the Execution of ITS-Tools for GPUForwardProgress-PT-12b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 379889.00 | 0.00 | 0.00 | FFFFFTFFFFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007900419.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-12b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007900419
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K 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 6.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 65K 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-12b-LTLCardinality-00
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-01
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-02
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-03
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-04
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-05
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-06
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-07
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-08
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-09
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-10
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-11
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-12
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-13
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-14
FORMULA_NAME GPUForwardProgress-PT-12b-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748960685203
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-03 14:24:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 14:24:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 14:24:48] [INFO ] Load time of PNML (sax parser for PT used): 179 ms
[2025-06-03 14:24:48] [INFO ] Transformed 264 places.
[2025-06-03 14:24:48] [INFO ] Transformed 277 transitions.
[2025-06-03 14:24:48] [INFO ] Found NUPN structural information;
[2025-06-03 14:24:48] [INFO ] Parsed PT model containing 264 places and 277 transitions and 677 arcs in 414 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Initial state reduction rules removed 1 formulas.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 264 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 264/264 places, 277/277 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 263 transition count 277
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 21 place count 243 transition count 257
Iterating global reduction 1 with 20 rules applied. Total rules applied 41 place count 243 transition count 257
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 50 place count 234 transition count 248
Iterating global reduction 1 with 9 rules applied. Total rules applied 59 place count 234 transition count 248
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 68 place count 234 transition count 239
Applied a total of 68 rules in 173 ms. Remains 234 /264 variables (removed 30) and now considering 239/277 (removed 38) transitions.
// Phase 1: matrix 239 rows 234 cols
[2025-06-03 14:24:49] [INFO ] Computed 13 invariants in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:24:49] [INFO ] Implicit Places using invariants in 539 ms returned []
[2025-06-03 14:24:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:24:50] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 1135 ms to find 0 implicit places.
Running 238 sub problems to find dead transitions.
[2025-06-03 14:24:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 239/472 variables, 233/246 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/472 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (OVERLAPS) 1/473 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/473 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 238 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 473/473 variables, and 247 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 234/234 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 238 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/233 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/233 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 239/472 variables, 233/246 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/472 variables, 238/484 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/472 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (OVERLAPS) 1/473 variables, 1/485 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/473 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 238 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 473/473 variables, and 485 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 234/234 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60205ms problems are : Problem set: 0 solved, 238 unsolved
Search for dead transitions found 0 dead transitions in 60250ms
Starting structural reductions in LTL mode, iteration 1 : 234/264 places, 239/277 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61603 ms. Remains : 234/264 places, 239/277 transitions.
Support contains 28 out of 234 places after structural reductions.
[2025-06-03 14:25:50] [INFO ] Flatten gal took : 112 ms
[2025-06-03 14:25:50] [INFO ] Flatten gal took : 49 ms
[2025-06-03 14:25:51] [INFO ] Input system was already deterministic with 239 transitions.
RANDOM walk for 40000 steps (357 resets) in 2450 ms. (16 steps per ms) remains 0/17 properties
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 48 stabilizing places and 48 stable transitions
Graph (complete) has 356 edges and 234 vertex of which 218 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.7 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 4 out of 234 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Graph (trivial) has 192 edges and 234 vertex of which 6 / 234 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 350 edges and 229 vertex of which 213 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.2 ms
Discarding 16 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 108 transitions
Trivial Post-agglo rules discarded 108 transitions
Performed 108 trivial Post agglomeration. Transition count delta: 108
Iterating post reduction 0 with 108 rules applied. Total rules applied 110 place count 212 transition count 121
Reduce places removed 108 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 112 rules applied. Total rules applied 222 place count 104 transition count 117
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 224 place count 103 transition count 116
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 225 place count 102 transition count 116
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 26 Pre rules applied. Total rules applied 225 place count 102 transition count 90
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 277 place count 76 transition count 90
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 289 place count 64 transition count 78
Iterating global reduction 4 with 12 rules applied. Total rules applied 301 place count 64 transition count 78
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 4 with 74 rules applied. Total rules applied 375 place count 27 transition count 41
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 376 place count 27 transition count 40
Discarding 9 places :
Symmetric choice reduction at 5 with 9 rule applications. Total rules 385 place count 18 transition count 23
Iterating global reduction 5 with 9 rules applied. Total rules applied 394 place count 18 transition count 23
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 396 place count 17 transition count 22
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 397 place count 17 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 398 place count 16 transition count 21
Applied a total of 398 rules in 57 ms. Remains 16 /234 variables (removed 218) and now considering 21/239 (removed 218) transitions.
// Phase 1: matrix 21 rows 16 cols
[2025-06-03 14:25:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:25:52] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-03 14:25:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:25:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 14:25:52] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:25:52] [INFO ] Redundant transitions in 12 ms returned []
Running 13 sub problems to find dead transitions.
[2025-06-03 14:25:52] [INFO ] Invariant cache hit.
[2025-06-03 14:25:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 20/31 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 5/36 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 1/37 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 17 constraints, problems are : Problem set: 0 solved, 13 unsolved in 405 ms.
Refiners :[State Equation: 16/16 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 20/31 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 5/36 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 1/37 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/37 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/37 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 30 constraints, problems are : Problem set: 0 solved, 13 unsolved in 362 ms.
Refiners :[State Equation: 16/16 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 774ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 774ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/234 places, 21/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 923 ms. Remains : 16/234 places, 21/239 transitions.
Stuttering acceptance computed with spot in 187 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-00
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 2 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-00 finished in 1183 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(!X((X((p0 U p1))||G(p0))))) U p2))'
Support contains 5 out of 234 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 224 transition count 229
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 224 transition count 229
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 224 transition count 228
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 221 transition count 225
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 221 transition count 225
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 28 place count 221 transition count 224
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 220 transition count 223
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 220 transition count 223
Applied a total of 30 rules in 29 ms. Remains 220 /234 variables (removed 14) and now considering 223/239 (removed 16) transitions.
// Phase 1: matrix 223 rows 220 cols
[2025-06-03 14:25:53] [INFO ] Computed 13 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:25:53] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-03 14:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:25:53] [INFO ] Implicit Places using invariants and state equation in 387 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
Running 222 sub problems to find dead transitions.
[2025-06-03 14:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/219 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (OVERLAPS) 223/442 variables, 219/232 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/442 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (OVERLAPS) 1/443 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/443 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 6 (OVERLAPS) 0/443 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 222 unsolved
No progress, stopping.
After SMT solving in domain Real declared 443/443 variables, and 233 constraints, problems are : Problem set: 0 solved, 222 unsolved in 30011 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 220/220 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/219 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 2 (OVERLAPS) 223/442 variables, 219/232 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/442 variables, 222/454 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/442 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 5 (OVERLAPS) 1/443 variables, 1/455 constraints. Problems are: Problem set: 0 solved, 222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/443 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 443/443 variables, and 455 constraints, problems are : Problem set: 0 solved, 222 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 220/220 constraints, PredecessorRefiner: 222/222 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60096ms problems are : Problem set: 0 solved, 222 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Starting structural reductions in LTL mode, iteration 1 : 220/234 places, 223/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60625 ms. Remains : 220/234 places, 223/239 transitions.
Stuttering acceptance computed with spot in 445 ms :[(NOT p2), (OR (NOT p2) p1 p0), (OR p0 p1), (OR p0 p1), p1, p0, true]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-01 finished in 61095 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U !p1))'
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Graph (trivial) has 194 edges and 234 vertex of which 6 / 234 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 350 edges and 229 vertex of which 213 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.3 ms
Discarding 16 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 110 transitions
Trivial Post-agglo rules discarded 110 transitions
Performed 110 trivial Post agglomeration. Transition count delta: 110
Iterating post reduction 0 with 110 rules applied. Total rules applied 112 place count 212 transition count 119
Reduce places removed 110 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 114 rules applied. Total rules applied 226 place count 102 transition count 115
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 227 place count 101 transition count 115
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 28 Pre rules applied. Total rules applied 227 place count 101 transition count 87
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 283 place count 73 transition count 87
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 294 place count 62 transition count 76
Iterating global reduction 3 with 11 rules applied. Total rules applied 305 place count 62 transition count 76
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 3 with 74 rules applied. Total rules applied 379 place count 25 transition count 39
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 380 place count 25 transition count 38
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 391 place count 14 transition count 17
Iterating global reduction 4 with 11 rules applied. Total rules applied 402 place count 14 transition count 17
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 404 place count 13 transition count 16
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 405 place count 13 transition count 16
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 406 place count 12 transition count 15
Applied a total of 406 rules in 48 ms. Remains 12 /234 variables (removed 222) and now considering 15/239 (removed 224) transitions.
// Phase 1: matrix 15 rows 12 cols
[2025-06-03 14:26:54] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:26:54] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-03 14:26:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:26:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 14:26:54] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:26:54] [INFO ] Redundant transitions in 18 ms returned []
Running 13 sub problems to find dead transitions.
[2025-06-03 14:26:54] [INFO ] Invariant cache hit.
[2025-06-03 14:26:54] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 2/26 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 1/27 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 0/27 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/27 variables, and 15 constraints, problems are : Problem set: 0 solved, 13 unsolved in 387 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 14/24 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 1/27 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/27 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/27 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/27 variables, and 28 constraints, problems are : Problem set: 0 solved, 13 unsolved in 410 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 804ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 805ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/234 places, 15/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 977 ms. Remains : 12/234 places, 15/239 transitions.
Stuttering acceptance computed with spot in 60 ms :[true, p1]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-03 finished in 1056 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 X(X(p1)))))'
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 222 transition count 227
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 222 transition count 227
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 222 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 217 transition count 221
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 217 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 37 place count 217 transition count 219
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 216 transition count 218
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 216 transition count 218
Applied a total of 39 rules in 31 ms. Remains 216 /234 variables (removed 18) and now considering 218/239 (removed 21) transitions.
// Phase 1: matrix 218 rows 216 cols
[2025-06-03 14:26:55] [INFO ] Computed 13 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:26:55] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-06-03 14:26:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:26:55] [INFO ] Implicit Places using invariants and state equation in 319 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Running 217 sub problems to find dead transitions.
[2025-06-03 14:26:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/434 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 434/434 variables, and 229 constraints, problems are : Problem set: 0 solved, 217 unsolved in 27500 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 217/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/433 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/434 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 434/434 variables, and 446 constraints, problems are : Problem set: 0 solved, 217 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57565ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 57568ms
Starting structural reductions in LTL mode, iteration 1 : 216/234 places, 218/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58040 ms. Remains : 216/234 places, 218/239 transitions.
Stuttering acceptance computed with spot in 398 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-06
Product exploration explored 100000 steps with 26670 reset in 420 ms.
Product exploration explored 100000 steps with 26640 reset in 328 ms.
Computed a total of 39 stabilizing places and 39 stable transitions
Graph (complete) has 335 edges and 216 vertex of which 200 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.7 ms
Computed a total of 39 stabilizing places and 39 stable transitions
Detected a total of 39/216 stabilizing places and 39/218 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 198 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 351 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
RANDOM walk for 148 steps (0 resets) in 9 ms. (14 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 339 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 368 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 367 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 3 out of 216 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 216/216 places, 218/218 transitions.
Applied a total of 0 rules in 4 ms. Remains 216 /216 variables (removed 0) and now considering 218/218 (removed 0) transitions.
[2025-06-03 14:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:56] [INFO ] Implicit Places using invariants in 149 ms returned []
[2025-06-03 14:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:56] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 575 ms to find 0 implicit places.
Running 217 sub problems to find dead transitions.
[2025-06-03 14:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/434 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 434/434 variables, and 229 constraints, problems are : Problem set: 0 solved, 217 unsolved in 26088 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 217/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/433 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/434 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 434/434 variables, and 446 constraints, problems are : Problem set: 0 solved, 217 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56157ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 56159ms
Finished structural reductions in LTL mode , in 1 iterations and 56740 ms. Remains : 216/216 places, 218/218 transitions.
Computed a total of 39 stabilizing places and 39 stable transitions
Graph (complete) has 335 edges and 216 vertex of which 200 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.4 ms
Computed a total of 39 stabilizing places and 39 stable transitions
Detected a total of 39/216 stabilizing places and 39/218 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 204 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 407 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
RANDOM walk for 210 steps (0 resets) in 10 ms. (19 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 6 factoid took 349 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 371 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 367 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 366 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 26574 reset in 166 ms.
Product exploration explored 100000 steps with 26691 reset in 249 ms.
Applying partial POR strategy [false, false, false, true, false, false, true]
Stuttering acceptance computed with spot in 378 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 3 out of 216 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 216/216 places, 218/218 transitions.
Graph (complete) has 335 edges and 216 vertex of which 200 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.2 ms
Discarding 16 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 98 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 98 rules applied. Total rules applied 99 place count 200 transition count 215
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 2 rules applied. Total rules applied 101 place count 200 transition count 214
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 101 place count 200 transition count 216
Deduced a syphon composed of 114 places in 0 ms
Iterating global reduction 2 with 15 rules applied. Total rules applied 116 place count 200 transition count 216
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 187 place count 129 transition count 145
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 2 with 71 rules applied. Total rules applied 258 place count 129 transition count 145
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 269 place count 118 transition count 134
Deduced a syphon composed of 43 places in 0 ms
Iterating global reduction 2 with 11 rules applied. Total rules applied 280 place count 118 transition count 134
Performed 43 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 86 places in 0 ms
Iterating global reduction 2 with 43 rules applied. Total rules applied 323 place count 118 transition count 135
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 325 place count 118 transition count 133
Discarding 32 places :
Symmetric choice reduction at 3 with 32 rule applications. Total rules 357 place count 86 transition count 100
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 3 with 32 rules applied. Total rules applied 389 place count 86 transition count 100
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 55 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 390 place count 86 transition count 100
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 391 place count 85 transition count 99
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 392 place count 85 transition count 99
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: -35
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 3 with 12 rules applied. Total rules applied 404 place count 85 transition count 134
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 426 place count 63 transition count 90
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 3 with 22 rules applied. Total rules applied 448 place count 63 transition count 90
Discarding 30 places :
Symmetric choice reduction at 3 with 30 rule applications. Total rules 478 place count 33 transition count 40
Deduced a syphon composed of 24 places in 0 ms
Iterating global reduction 3 with 30 rules applied. Total rules applied 508 place count 33 transition count 40
Deduced a syphon composed of 24 places in 0 ms
Applied a total of 508 rules in 79 ms. Remains 33 /216 variables (removed 183) and now considering 40/218 (removed 178) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:28:56] [INFO ] Redundant transitions in 24 ms returned []
Running 39 sub problems to find dead transitions.
// Phase 1: matrix 40 rows 33 cols
[2025-06-03 14:28:56] [INFO ] Computed 0 invariants in 1 ms
[2025-06-03 14:28:56] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
At refinement iteration 1 (OVERLAPS) 40/72 variables, 32/32 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 8/40 constraints. Problems are: Problem set: 28 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/40 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 1/73 variables, 1/41 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/41 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 0/73 variables, 0/41 constraints. Problems are: Problem set: 28 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 41 constraints, problems are : Problem set: 28 solved, 11 unsolved in 515 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 11 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 39/47 variables, 8/8 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 8/16 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 11/27 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/27 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 26/73 variables, 25/52 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/52 constraints. Problems are: Problem set: 28 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/52 constraints. Problems are: Problem set: 28 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 52 constraints, problems are : Problem set: 28 solved, 11 unsolved in 432 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 11/39 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 959ms problems are : Problem set: 28 solved, 11 unsolved
Search for dead transitions found 28 dead transitions in 960ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) removed 28 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 33/216 places, 12/218 transitions.
Graph (complete) has 30 edges and 33 vertex of which 9 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.0 ms
Discarding 24 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 9 /33 variables (removed 24) and now considering 12/12 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/216 places, 12/218 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1079 ms. Remains : 9/216 places, 12/218 transitions.
Built C files in :
/tmp/ltsmin2869318671371157007
[2025-06-03 14:28:57] [INFO ] Built C files in 26ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2869318671371157007
Running compilation step : cd /tmp/ltsmin2869318671371157007;'/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 959 ms.
Running link step : cd /tmp/ltsmin2869318671371157007;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin2869318671371157007;'/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/stateBased259691483171365867.hoa' '--buchi-type=spotba'
LTSmin run took 442 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-06 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-06 finished in 123591 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)) U p1)&&X(F((F(p2)&&X(p3))))))'
Support contains 4 out of 234 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 225 transition count 230
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 225 transition count 230
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 21 place count 222 transition count 227
Iterating global reduction 0 with 3 rules applied. Total rules applied 24 place count 222 transition count 227
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 222 transition count 226
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 221 transition count 225
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 221 transition count 225
Applied a total of 27 rules in 27 ms. Remains 221 /234 variables (removed 13) and now considering 225/239 (removed 14) transitions.
// Phase 1: matrix 225 rows 221 cols
[2025-06-03 14:28:59] [INFO ] Computed 13 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:28:59] [INFO ] Implicit Places using invariants in 130 ms returned []
[2025-06-03 14:28:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:28:59] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Running 224 sub problems to find dead transitions.
[2025-06-03 14:28:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/220 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 225/445 variables, 220/233 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/445 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (OVERLAPS) 1/446 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/446 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/446 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 446/446 variables, and 234 constraints, problems are : Problem set: 0 solved, 224 unsolved in 28656 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 221/221 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/220 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/220 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 225/445 variables, 220/233 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/445 variables, 224/457 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/445 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 1/446 variables, 1/458 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/446 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 7 (OVERLAPS) 0/446 variables, 0/458 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Int declared 446/446 variables, and 458 constraints, problems are : Problem set: 0 solved, 224 unsolved in 30010 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 221/221 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58702ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 58703ms
Starting structural reductions in LTL mode, iteration 1 : 221/234 places, 225/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59170 ms. Remains : 221/234 places, 225/239 transitions.
Stuttering acceptance computed with spot in 270 ms :[(OR (NOT p2) (NOT p1) (NOT p3)), p0, (NOT p1), (OR (NOT p2) (NOT p3)), (NOT p2), (NOT p3)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-07
Stuttering criterion allowed to conclude after 105 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-07 finished in 59473 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 234 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Graph (trivial) has 197 edges and 234 vertex of which 6 / 234 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 350 edges and 229 vertex of which 213 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.3 ms
Discarding 16 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 113 transitions
Trivial Post-agglo rules discarded 113 transitions
Performed 113 trivial Post agglomeration. Transition count delta: 113
Iterating post reduction 0 with 113 rules applied. Total rules applied 115 place count 212 transition count 116
Reduce places removed 113 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 117 rules applied. Total rules applied 232 place count 99 transition count 112
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 233 place count 98 transition count 112
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 233 place count 98 transition count 86
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 285 place count 72 transition count 86
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 296 place count 61 transition count 75
Iterating global reduction 3 with 11 rules applied. Total rules applied 307 place count 61 transition count 75
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 3 with 74 rules applied. Total rules applied 381 place count 24 transition count 38
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 382 place count 24 transition count 37
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 392 place count 14 transition count 18
Iterating global reduction 4 with 10 rules applied. Total rules applied 402 place count 14 transition count 18
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 406 place count 12 transition count 17
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 407 place count 12 transition count 17
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 408 place count 11 transition count 16
Applied a total of 408 rules in 27 ms. Remains 11 /234 variables (removed 223) and now considering 16/239 (removed 223) transitions.
[2025-06-03 14:29:58] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
// Phase 1: matrix 15 rows 11 cols
[2025-06-03 14:29:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:29:58] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-03 14:29:58] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
[2025-06-03 14:29:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:29:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 14:29:58] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:29:58] [INFO ] Redundant transitions in 24 ms returned []
Running 9 sub problems to find dead transitions.
[2025-06-03 14:29:58] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
[2025-06-03 14:29:58] [INFO ] Invariant cache hit.
[2025-06-03 14:29:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 14/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 3/25 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 1/26 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/26 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 12 constraints, problems are : Problem set: 0 solved, 9 unsolved in 261 ms.
Refiners :[State Equation: 11/11 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 14/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 3/25 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 1/26 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 21 constraints, problems are : Problem set: 0 solved, 9 unsolved in 294 ms.
Refiners :[State Equation: 11/11 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 578ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 579ms
Starting structural reductions in SI_LTL mode, iteration 1 : 11/234 places, 16/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 742 ms. Remains : 11/234 places, 16/239 transitions.
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-09
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-09 finished in 859 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 234 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 222 transition count 227
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 222 transition count 227
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 222 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 217 transition count 221
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 217 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 37 place count 217 transition count 219
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 216 transition count 218
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 216 transition count 218
Applied a total of 39 rules in 24 ms. Remains 216 /234 variables (removed 18) and now considering 218/239 (removed 21) transitions.
// Phase 1: matrix 218 rows 216 cols
[2025-06-03 14:29:59] [INFO ] Computed 13 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:29:59] [INFO ] Implicit Places using invariants in 134 ms returned []
[2025-06-03 14:29:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:29:59] [INFO ] Implicit Places using invariants and state equation in 426 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
Running 217 sub problems to find dead transitions.
[2025-06-03 14:29:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/434 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/434 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 434/434 variables, and 229 constraints, problems are : Problem set: 0 solved, 217 unsolved in 28961 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/215 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (OVERLAPS) 218/433 variables, 215/228 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/433 variables, 217/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/433 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/434 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 7 (OVERLAPS) 0/434 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Int declared 434/434 variables, and 446 constraints, problems are : Problem set: 0 solved, 217 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 13/13 constraints, State Equation: 216/216 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59007ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 59008ms
Starting structural reductions in LTL mode, iteration 1 : 216/234 places, 218/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59607 ms. Remains : 216/234 places, 218/239 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-12
Product exploration explored 100000 steps with 1714 reset in 347 ms.
Product exploration explored 100000 steps with 1710 reset in 439 ms.
Computed a total of 39 stabilizing places and 39 stable transitions
Graph (complete) has 335 edges and 216 vertex of which 200 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.4 ms
Computed a total of 39 stabilizing places and 39 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 250 steps (0 resets) in 4 ms. (50 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
[2025-06-03 14:31:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 14:31:00] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 8 ms returned sat
[2025-06-03 14:31:00] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2025-06-03 14:31:00] [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 14:31:01] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 12 ms returned sat
[2025-06-03 14:31:01] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2025-06-03 14:31:01] [INFO ] Computed and/alt/rep : 212/278/212 causal constraints (skipped 5 transitions) in 35 ms.
[2025-06-03 14:31:02] [INFO ] Added : 157 causal constraints over 32 iterations in 1108 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 216 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 216/216 places, 218/218 transitions.
Graph (trivial) has 177 edges and 216 vertex of which 6 / 216 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 329 edges and 211 vertex of which 195 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.1 ms
Discarding 16 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 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 0 with 96 rules applied. Total rules applied 98 place count 194 transition count 112
Reduce places removed 96 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 98 rules applied. Total rules applied 196 place count 98 transition count 110
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 198 place count 96 transition count 110
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 27 Pre rules applied. Total rules applied 198 place count 96 transition count 83
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 54 rules applied. Total rules applied 252 place count 69 transition count 83
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 263 place count 58 transition count 72
Iterating global reduction 3 with 11 rules applied. Total rules applied 274 place count 58 transition count 72
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 72 rules applied. Total rules applied 346 place count 22 transition count 36
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 347 place count 22 transition count 35
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 358 place count 11 transition count 14
Iterating global reduction 4 with 11 rules applied. Total rules applied 369 place count 11 transition count 14
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 371 place count 10 transition count 13
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 372 place count 9 transition count 12
Applied a total of 372 rules in 33 ms. Remains 9 /216 variables (removed 207) and now considering 12/218 (removed 206) transitions.
// Phase 1: matrix 12 rows 9 cols
[2025-06-03 14:31:02] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:31:02] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 14:31:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:31:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 14:31:02] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:31:02] [INFO ] Redundant transitions in 22 ms returned []
Running 8 sub problems to find dead transitions.
[2025-06-03 14:31:02] [INFO ] Invariant cache hit.
[2025-06-03 14:31:02] [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) 11/18 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/20 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/21 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 10 constraints, problems are : Problem set: 0 solved, 8 unsolved in 288 ms.
Refiners :[State Equation: 9/9 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) 11/18 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 2/20 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 1/21 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/21 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 18 constraints, problems are : Problem set: 0 solved, 8 unsolved in 270 ms.
Refiners :[State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 565ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 566ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/216 places, 12/218 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 706 ms. Remains : 9/216 places, 12/218 transitions.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 227 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 14 steps (0 resets) in 5 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 252 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
[2025-06-03 14:31:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 14:31:04] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-03 14:31:04] [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 14:31:04] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-03 14:31:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 14:31:04] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 14:31:04] [INFO ] Computed and/alt/rep : 8/15/8 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 14:31:04] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-12 finished in 64998 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 2 out of 234 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 234/234 places, 239/239 transitions.
Graph (trivial) has 196 edges and 234 vertex of which 6 / 234 are part of one of the 1 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 350 edges and 229 vertex of which 213 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.1 ms
Discarding 16 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 113 transitions
Trivial Post-agglo rules discarded 113 transitions
Performed 113 trivial Post agglomeration. Transition count delta: 113
Iterating post reduction 0 with 113 rules applied. Total rules applied 115 place count 212 transition count 116
Reduce places removed 113 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 115 rules applied. Total rules applied 230 place count 99 transition count 114
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 26 Pre rules applied. Total rules applied 230 place count 99 transition count 88
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 282 place count 73 transition count 88
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 294 place count 61 transition count 76
Iterating global reduction 2 with 12 rules applied. Total rules applied 306 place count 61 transition count 76
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 2 with 74 rules applied. Total rules applied 380 place count 24 transition count 39
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 381 place count 24 transition count 38
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 391 place count 14 transition count 19
Iterating global reduction 3 with 10 rules applied. Total rules applied 401 place count 14 transition count 19
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 405 place count 12 transition count 18
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 408 place count 12 transition count 18
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 409 place count 11 transition count 17
Applied a total of 409 rules in 21 ms. Remains 11 /234 variables (removed 223) and now considering 17/239 (removed 222) transitions.
[2025-06-03 14:31:04] [INFO ] Flow matrix only has 15 transitions (discarded 2 similar events)
// Phase 1: matrix 15 rows 11 cols
[2025-06-03 14:31:04] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:31:04] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-03 14:31:04] [INFO ] Flow matrix only has 15 transitions (discarded 2 similar events)
[2025-06-03 14:31:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:31:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 14:31:04] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:31:04] [INFO ] Redundant transitions in 18 ms returned []
Running 9 sub problems to find dead transitions.
[2025-06-03 14:31:04] [INFO ] Flow matrix only has 15 transitions (discarded 2 similar events)
[2025-06-03 14:31:04] [INFO ] Invariant cache hit.
[2025-06-03 14:31:04] [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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 14/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 3/25 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 1/26 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/26 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 12 constraints, problems are : Problem set: 0 solved, 9 unsolved in 265 ms.
Refiners :[State Equation: 11/11 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 14/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 3/25 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 1/26 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 21 constraints, problems are : Problem set: 0 solved, 9 unsolved in 280 ms.
Refiners :[State Equation: 11/11 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 551ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 551ms
Starting structural reductions in SI_LTL mode, iteration 1 : 11/234 places, 17/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 675 ms. Remains : 11/234 places, 17/239 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12b-LTLCardinality-14
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12b-LTLCardinality-14 finished in 742 ms.
All properties solved by simple procedures.
Total runtime 377053 ms.
BK_STOP 1748961065092
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-12b"
export BK_EXAMINATION="LTLCardinality"
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-12b, examination is LTLCardinality"
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-174867007900419"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-12b.tgz
mv GPUForwardProgress-PT-12b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;