Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422000084.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)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is HirschbergSinclair-PT-20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422000084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 12K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 284K 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 HirschbergSinclair-PT-20-LTLFireability-00
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-01
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-02
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-03
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-04
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-05
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-06
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-07
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-08
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-09
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-10
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-11
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-12
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-13
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-14
FORMULA_NAME HirschbergSinclair-PT-20-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748777042378

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HirschbergSinclair-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 11:24:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 11:24:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 11:24:03] [INFO ] Load time of PNML (sax parser for PT used): 92 ms
[2025-06-01 11:24:04] [INFO ] Transformed 530 places.
[2025-06-01 11:24:04] [INFO ] Transformed 485 transitions.
[2025-06-01 11:24:04] [INFO ] Parsed PT model containing 530 places and 485 transitions and 1479 arcs in 194 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA HirschbergSinclair-PT-20-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-20-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 47 out of 530 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 530/530 places, 485/485 transitions.
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 510 transition count 485
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 36 place count 494 transition count 469
Iterating global reduction 1 with 16 rules applied. Total rules applied 52 place count 494 transition count 469
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 65 place count 481 transition count 456
Iterating global reduction 1 with 13 rules applied. Total rules applied 78 place count 481 transition count 456
Applied a total of 78 rules in 121 ms. Remains 481 /530 variables (removed 49) and now considering 456/485 (removed 29) transitions.
// Phase 1: matrix 456 rows 481 cols
[2025-06-01 11:24:04] [INFO ] Computed 25 invariants in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:24:04] [INFO ] Implicit Places using invariants in 470 ms returned []
[2025-06-01 11:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:24:09] [INFO ] Implicit Places using invariants and state equation in 4823 ms returned []
Implicit Place search using SMT with State Equation took 5330 ms to find 0 implicit places.
Running 436 sub problems to find dead transitions.
[2025-06-01 11:24:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 2 (OVERLAPS) 20/481 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/481 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 4 (OVERLAPS) 456/937 variables, 481/506 constraints. Problems are: Problem set: 0 solved, 436 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 937/937 variables, and 506 constraints, problems are : Problem set: 0 solved, 436 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 481/481 constraints, PredecessorRefiner: 436/436 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 436 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 2 (OVERLAPS) 20/481 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/481 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 4 (OVERLAPS) 456/937 variables, 481/506 constraints. Problems are: Problem set: 0 solved, 436 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/937 variables, 436/942 constraints. Problems are: Problem set: 0 solved, 436 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 937/937 variables, and 942 constraints, problems are : Problem set: 0 solved, 436 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 481/481 constraints, PredecessorRefiner: 436/436 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60210ms problems are : Problem set: 0 solved, 436 unsolved
Search for dead transitions found 0 dead transitions in 60222ms
Starting structural reductions in LTL mode, iteration 1 : 481/530 places, 456/485 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65697 ms. Remains : 481/530 places, 456/485 transitions.
Support contains 47 out of 481 places after structural reductions.
[2025-06-01 11:25:10] [INFO ] Flatten gal took : 60 ms
[2025-06-01 11:25:10] [INFO ] Flatten gal took : 30 ms
[2025-06-01 11:25:10] [INFO ] Input system was already deterministic with 456 transitions.
RANDOM walk for 40000 steps (80 resets) in 1487 ms. (26 steps per ms) remains 3/35 properties
BEST_FIRST walk for 40004 steps (11 resets) in 315 ms. (126 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 175 ms. (227 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (9 resets) in 101 ms. (392 steps per ms) remains 2/3 properties
[2025-06-01 11:25:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp15 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 399/403 variables, 21/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/403 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/437 variables, 4/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/437 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 456/893 variables, 437/462 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/893 variables, 0/462 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 44/937 variables, 44/506 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/937 variables, 0/506 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/937 variables, 0/506 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 937/937 variables, and 506 constraints, problems are : Problem set: 1 solved, 1 unsolved in 454 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 481/481 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 401/403 variables, 21/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/403 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/437 variables, 4/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/437 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 456/893 variables, 437/462 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/893 variables, 1/463 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/893 variables, 0/463 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/937 variables, 44/507 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/937 variables, 0/507 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/937 variables, 0/507 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 937/937 variables, and 507 constraints, problems are : Problem set: 1 solved, 1 unsolved in 475 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 481/481 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 949ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 114 ms.
Support contains 2 out of 481 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 481/481 places, 456/456 transitions.
Graph (complete) has 914 edges and 481 vertex of which 461 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.2 ms
Discarding 20 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 199 transitions
Trivial Post-agglo rules discarded 199 transitions
Performed 199 trivial Post agglomeration. Transition count delta: 199
Iterating post reduction 0 with 219 rules applied. Total rules applied 220 place count 461 transition count 237
Reduce places removed 199 places and 0 transitions.
Graph (complete) has 457 edges and 262 vertex of which 146 are kept as prefixes of interest. Removing 116 places using SCC suffix rule.0 ms
Discarding 116 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Iterating post reduction 1 with 200 rules applied. Total rules applied 420 place count 146 transition count 236
Drop transitions (Empty/Sink Transition effects.) removed 114 transitions
Reduce isomorphic transitions removed 114 transitions.
Iterating post reduction 2 with 114 rules applied. Total rules applied 534 place count 146 transition count 122
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 534 place count 146 transition count 121
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 536 place count 145 transition count 121
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 539 place count 142 transition count 118
Iterating global reduction 3 with 3 rules applied. Total rules applied 542 place count 142 transition count 118
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 545 place count 142 transition count 115
Reduce places removed 3 places and 0 transitions.
Graph (complete) has 218 edges and 139 vertex of which 133 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 4 rules applied. Total rules applied 549 place count 133 transition count 115
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 555 place count 133 transition count 109
Reduce places removed 20 places and 20 transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 575 place count 113 transition count 89
Reduce places removed 18 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 63 transitions
Trivial Post-agglo rules discarded 63 transitions
Performed 63 trivial Post agglomeration. Transition count delta: 63
Iterating post reduction 6 with 81 rules applied. Total rules applied 656 place count 95 transition count 26
Reduce places removed 63 places and 0 transitions.
Iterating post reduction 7 with 63 rules applied. Total rules applied 719 place count 32 transition count 26
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 10 Pre rules applied. Total rules applied 719 place count 32 transition count 16
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 8 with 20 rules applied. Total rules applied 739 place count 22 transition count 16
Applied a total of 739 rules in 42 ms. Remains 22 /481 variables (removed 459) and now considering 16/456 (removed 440) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 22/481 places, 16/456 transitions.
RANDOM walk for 34580 steps (2032 resets) in 270 ms. (127 steps per ms) remains 0/1 properties
FORMULA HirschbergSinclair-PT-20-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA HirschbergSinclair-PT-20-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 481 stabilizing places and 456 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 481 transition count 456
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((G((p0||F(p1))) U X((F(p2)||X(p3))))))'
Support contains 6 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 474 transition count 449
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 474 transition count 449
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 18 place count 470 transition count 445
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 470 transition count 445
Applied a total of 22 rules in 33 ms. Remains 470 /481 variables (removed 11) and now considering 445/456 (removed 11) transitions.
// Phase 1: matrix 445 rows 470 cols
[2025-06-01 11:25:12] [INFO ] Computed 25 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:25:12] [INFO ] Implicit Places using invariants in 208 ms returned []
[2025-06-01 11:25:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:25:19] [INFO ] Implicit Places using invariants and state equation in 6670 ms returned []
Implicit Place search using SMT with State Equation took 6884 ms to find 0 implicit places.
Running 425 sub problems to find dead transitions.
[2025-06-01 11:25:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (OVERLAPS) 20/470 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 445/915 variables, 470/495 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 915/915 variables, and 495 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 470/470 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (OVERLAPS) 20/470 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 445/915 variables, 470/495 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/915 variables, 425/920 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 915/915 variables, and 920 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 470/470 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 425 unsolved
Search for dead transitions found 0 dead transitions in 60124ms
Starting structural reductions in LTL mode, iteration 1 : 470/481 places, 445/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67044 ms. Remains : 470/481 places, 445/456 transitions.
Stuttering acceptance computed with spot in 462 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) p0 (NOT p3)), (AND (NOT p2) (NOT p3)), (AND p0 (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-00
Product exploration explored 100000 steps with 3196 reset in 466 ms.
Product exploration explored 100000 steps with 3188 reset in 424 ms.
Computed a total of 470 stabilizing places and 445 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 470 transition count 445
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1 (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X p0), (X p1), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X p0)), (X (X p1)), (F (G p0)), (F (G p1)), (F (G (NOT p2))), (F (G (NOT p3)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3)))))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be false thanks to negative knowledge :(X (X p2))
Knowledge based reduction with 15 factoid took 141 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-20-LTLFireability-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-20-LTLFireability-00 finished in 68789 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 U p1) U (G((p0 U p1))||((p0 U p1)&&(p2 U (G(p2)||(p2&&(X(!p2) U ((!p1&&X(!p2))||X(G(!p2)))))))))))))'
Support contains 5 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 475 transition count 450
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 475 transition count 450
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 471 transition count 446
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 471 transition count 446
Applied a total of 20 rules in 33 ms. Remains 471 /481 variables (removed 10) and now considering 446/456 (removed 10) transitions.
// Phase 1: matrix 446 rows 471 cols
[2025-06-01 11:26:21] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:26:21] [INFO ] Implicit Places using invariants in 203 ms returned []
[2025-06-01 11:26:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:26:28] [INFO ] Implicit Places using invariants and state equation in 6678 ms returned []
Implicit Place search using SMT with State Equation took 6886 ms to find 0 implicit places.
Running 426 sub problems to find dead transitions.
[2025-06-01 11:26:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 917/917 variables, and 496 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 426 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/917 variables, 426/922 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/917 variables, and 922 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60112ms problems are : Problem set: 0 solved, 426 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Starting structural reductions in LTL mode, iteration 1 : 471/481 places, 446/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67036 ms. Remains : 471/481 places, 446/456 transitions.
Stuttering acceptance computed with spot in 370 ms :[(NOT p1), (NOT p1), (NOT p1), false, false, false, (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-01
Stuttering criterion allowed to conclude after 481 steps with 0 reset in 6 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-01 finished in 67443 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)&&F(G(p1)))))'
Support contains 3 out of 481 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Reduce places removed 20 places and 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 198 transitions
Trivial Post-agglo rules discarded 198 transitions
Performed 198 trivial Post agglomeration. Transition count delta: 198
Iterating post reduction 0 with 198 rules applied. Total rules applied 198 place count 461 transition count 238
Reduce places removed 198 places and 0 transitions.
Iterating post reduction 1 with 198 rules applied. Total rules applied 396 place count 263 transition count 238
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 401 place count 258 transition count 233
Iterating global reduction 2 with 5 rules applied. Total rules applied 406 place count 258 transition count 233
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 3 rules applied. Total rules applied 409 place count 258 transition count 230
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 412 place count 255 transition count 230
Applied a total of 412 rules in 34 ms. Remains 255 /481 variables (removed 226) and now considering 230/456 (removed 226) transitions.
// Phase 1: matrix 230 rows 255 cols
[2025-06-01 11:27:28] [INFO ] Computed 25 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:27:28] [INFO ] Implicit Places using invariants in 210 ms returned []
[2025-06-01 11:27:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:27:30] [INFO ] Implicit Places using invariants and state equation in 1789 ms returned []
Implicit Place search using SMT with State Equation took 2001 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:27:30] [INFO ] Redundant transitions in 9 ms returned []
Running 191 sub problems to find dead transitions.
[2025-06-01 11:27:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/216 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 2/218 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 197/415 variables, 218/243 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/415 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (OVERLAPS) 4/419 variables, 4/247 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (OVERLAPS) 0/419 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/485 variables, and 247 constraints, problems are : Problem set: 0 solved, 191 unsolved in 20730 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 222/255 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/216 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 2/218 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 197/415 variables, 218/243 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/415 variables, 191/434 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 415/485 variables, and 434 constraints, problems are : Problem set: 0 solved, 191 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 218/255 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50766ms problems are : Problem set: 0 solved, 191 unsolved
Search for dead transitions found 0 dead transitions in 50767ms
Starting structural reductions in SI_LTL mode, iteration 1 : 255/481 places, 230/456 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52815 ms. Remains : 255/481 places, 230/456 transitions.
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-02
Product exploration explored 100000 steps with 677 reset in 289 ms.
Product exploration explored 100000 steps with 652 reset in 258 ms.
Computed a total of 255 stabilizing places and 230 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 255 transition count 230
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X p1), (X (NOT p1)), (X (X (NOT p0))), (X (X p0)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 12 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-20-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-20-LTLFireability-02 finished in 53616 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(G((p0||X((p0||F(G(p1)))))))))'
Support contains 4 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 474 transition count 449
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 474 transition count 449
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 18 place count 470 transition count 445
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 470 transition count 445
Applied a total of 22 rules in 38 ms. Remains 470 /481 variables (removed 11) and now considering 445/456 (removed 11) transitions.
// Phase 1: matrix 445 rows 470 cols
[2025-06-01 11:28:22] [INFO ] Computed 25 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:28:22] [INFO ] Implicit Places using invariants in 202 ms returned []
[2025-06-01 11:28:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:28:29] [INFO ] Implicit Places using invariants and state equation in 6588 ms returned []
Implicit Place search using SMT with State Equation took 6793 ms to find 0 implicit places.
Running 425 sub problems to find dead transitions.
[2025-06-01 11:28:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (OVERLAPS) 20/470 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 445/915 variables, 470/495 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
(t1 1.0)
(t2 1.0)
(t3 1.0)
(t4 1.0)
(t5 1.0)
(t6 1.0)
(t7 1.0)
(t8 1.0)
(t9 1.0)
(t10 1.0)
(t11 1.0)
(t12 1.0)
(t13 1.0)
(t14 1.0)
(t15 1.0)
(t16 1.0)
(t17 1.0)
(t18 1.0)
(t19 1.0)
(t20 1.0)
(t21 0.0)
(t22 0.0)
(t23 0.0)
(t24 1.0)
(t25 0.0)
(t26 0.0)
(t27 0.0)
(t28 1.0)
(t29 0.0)
(t30 0.0)
(t31 0.0)
(t32 1.0)
(t33 0.0)
(t34 0.0)
(t35 0.0)
(t36 1.0)
(t37 0.0)
(t38 0.0)
(t39 0.0)
(t40 1.0)
(t41 0.0)
(t42 0.0)
(t43 0.0)
(t44 1.0)
(t45 0.0)
(t46 0.0)
(t47 0.0)
(t48 1.0)
(t49 0.0)
(t50 0.0)
(t51 0.0)
(t52 1.0)
(t53 0.0)
(t54 0.0)
(t55 0.0)
(t56 1.0)
(t57 0.0)
(t58 0.0)
(t59 0.0)
(t60 1.0)
(t61 0.0)
(t62 1.0)
(t63 0.0)
(t64 1.0)
(t65 0.0)
(t66 0.0)
(t67 0.0)
(t68 0.0)
(t69 0.0)
(t70 0.0)
(t71 0.0)
(t72 0.0)
(t73 0.0)
(t74 0.0)
(t75 0.0)
(t76 0.0)
(t77 0.0)
(t78 0.0)
(t79 0.0)
(t80 0.0)
(t81 0.0)
(t82 0.0)
(t83 0.0)
(t84 0.0)
(t85 0.0)
(t86 0.0)
(t87 0.0)
(t88 0.0)
(t89 0.0)
(t90 0.0)
(t91 0.0)
(t92 0.0)
(t93 0.0)
(t94 1.0)
(t95 1.0)
(t96 1.0)
(t97 1.0)
(t98 1.0)
(t99 1.0)
(t100 1.0)
(t101 1.0)
(t102 1.0)
(t103 1.0)
(t104 1.0)
(t105 1.0)
(t106 1.0)
(t107 1.0)
(t108 1.0)
(t109 1.0)
(t110 1.0)
(t111 1.0)
(t112 1.0)
(t113 1.0)
(t114 1.0)
(t115 1.0)
(t116 1.0)
(t117 1.0)
(t118 1.0)
(t119 1.0)
(t120 1.0)
(t121 1.0)
(t122 1.0)
(t123 1.0)
(t124 1.0)
(t125 1.0)
(t126 1.0)
(t127 1.0)
(t128 1.0)
(t129 1.0)
(t130 1.0)
(t131 1.0)
(t132 1.0)
(t133 1.0)
(t134 1.0)
(t135 1.0)
(t136 1.0)
(t137 1.0)
(t138 1.0)
(t139 1.0)
(t140 1.0)
(t141 1.0)
(t142 1.0)
(t143 1.0)
(t144 1.0)
(t145 1.0)
(t146 1.0)
(t147 1.0)
(t148 1.0)
(t149 1.0)
(t150 1.0)
(t151 1.0)
(t152 1.0)
(t153 1.0)
(t154 1.0)
(t155 1.0)
(t156 1.0)
(t157 1.0)
(t158 1.0)
(t159 1.0)
(t160 1.0)
(t161 1.0)
(t162 1.0)
(t163 1.0)
(t164 1.0)
(t165 1.0)
(t166 1.0)
(t167 1.0)
(t168 1.0)
(t169 1.0)
(t170 1.0)
(t171 1.0)
(t172 1.0)
(t173 1.0)
(t174 1.0)
(t175 1.0)
(t176 1.0)
(t177 1.0)
(t178 1.0)
(t179 1.0)
(t180 1.0)
(t181 1.0)
(t182 1.0)
(t183 1.0)
(t184 1.0)
(t185 1.0)
(t186 1.0)
(t187 1.0)
(t188 1.0)
(t189 1.0)
(t190 1.0)
(t191 1.0)
(t192 1.0)
(t193 1.0)
(t194 1.0)
(t195 1.0)
(t196 1.0)
(t197 1.0)
(t198 1.0)
(t199 1.0)
(t200 1.0)
(t201 1.0)
(t202 1.0)
(t203 1.0)
(t204 1.0)
(t205 1.0)
(t206 1.0)
(t207 1.0)
(t208 1.0)
(t209 1.0)
(t210 1.0)
(t211 1.0)
(t212 1.0)
(t213 1.0)
(t214 1.0)
(t215 1.0)
(t216 1.0)
(t217 1.0)
(t218 1.0)
(t219 1.0)
(t220 1.0)
(t221 1.0)
(t222 1.0)
(t223 1.0)
(t224 1.0)
(t225 1.0)
(t226 1.0)
(t227 1.0)
(t228 1.0)
(t229 1.0)
(t230 1.0)
(t231 1.0)
(t232 1.0)
(t233 1.0)
(t234 1.0)
(t235 1.0)
(t236 1.0)
(t237 1.0)
(t238 1.0)
(t239 1.0)
(t240 1.0)
(t241 1.0)
(t242 1.0)
(t243 1.0)
(t244 1.0)
(t245 1.0)
(t246 1.0)
(t247 1.0)
(t248 1.0)
(t249 1.0)
(t250 1.0)
(t251 1.0)
(t252 1.0)
(t253 1.0)
(t254 1.0)
(t255 1.0)
(t256 1.0)
(t257 1.0)
(t258 1.0)
(t259 1.0)
(t260 1.0)
(t261 1.0)
(t262 1.0)
(t263 1.0)
(t264 1.0)
(t265 1.0)
(t266 1.0)
(t267 1.0)
(t268 1.0)
(t269 1.0)
(t270 1.0)
(t271 1.0)
(t272 1.0)
(t273 1.0)
(t274 1.0)
(t275 1.0)
(t276 1.0)
(t277 1.0)
(t278 1.0)
(t279 1.0)
(t280 1.0)
(t281 1.0)
(t282 1.0)
(t283 1.0)
(t284 1.0)
(t285 1.0)
(t286 1.0)
(t287 1.0)
(t288 1.0)
(t289 1.0)
(t290 1.0)
(t291 1.0)
(t292 1.0)
(t293 1.0)
(t294 1.0)
(t295 1.0)
(t296 1.0)
(t297 1.0)
(t298 1.0)
(t299 1.0)
(t300 1.0)
(t301 1.0)
(t302 1.0)
(t303 1.0)
(t304 1.0)
(t305 1.0)
(t306 1.0)
(t307 1.0)
(t308 1.0)
(t309 1.0)
(t310 1.0)
(t311 1.0)
(t312 1.0)
(t313 1.0)
(t314 1.0)
(t315 1.0)
(t316 1.0)
(t317 1.0)
(t318 1.0)
(t319 1.0)
(t320 1.0)
(t321 1.0)
(t322 1.0)
(t323 1.0)
(t324 1.0)
(t325 1.0)
(t326 1.0)
(t327 1.0)
(t328 1.0)
(t329 1.0)
(t330 1.0)
(t331 1.0)
(t332 1.0)
(t333 1.0)
(t334 1.0)
(t335 1.0)
(t336 1.0)
(t337 1.0)
(t338 1.0)
(t339 1.0)
(t340 1.0)
(t341 1.0)
(t342 1.0)
(t343 1.0)
(t344 1.0)
(t345 1.0)
(t346 1.0)
(t347 1.0)
(t348 1.0)
(t349 1.0)
(t350 1.0)
(t351 1.0)
(t352 1.0)
(t353 1.0)
(t354 1.0)
(t355 1.0)
(t356 1.0)
(t357 1.0)
(t358 1.0)
(t359 1.0)
(t360 1.0)
(t361 1.0)
(t362 1.0)
(t363 1.0)
(t364 1.0)
(t365 1.0)
(t366 1.0)
(t367 1.0)
(t368 1.0)
(t369 1.0)
(t370 1.0)
(t371 1.0)
(t372 1.0)
(t373 1.0)
(t374 1.0)
(t375 1.0)
(t376 1.0)
(t377 1.0)
(t378 1.0)
(t379 1.0)
(t380 1.0)
(t381 1.0)
(t382 1.0)
(t383 1.0)
(t384 1.0)
(t385 1.0)
(t386 1.0)
(t387 1.0)
(t388 1.0)
(t389 1.0)
(t390 1.0)
(t391 1.0)
(t392 1.0)
(t393 1.0)
(t394 1.0)
(t395 1.0)
(t396 1.0)
(t397 1.0)
(t398 1.0)
(t399 1.0)
(t400 1.0)
(t401 1.0)
(t402 1.0)
(t403 1.0)
(t404 1.0)
(t405 1.0)
(t406 1.0)
(t407 1.0)
(t408 1.0)
(t409 1.0)
(t410 1.0)
(t411 1.0)
(t412 1.0)
(t413 1.0)
(t414 1.0)
(t415 1.0)
(t416 1.0)
(t417 timeout
1.0)
(t418 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 915/915 variables, and 495 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 470/470 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/450 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/450 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (OVERLAPS) 20/470 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 445/915 variables, 470/495 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/915 variables, 425/920 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 915/915 variables, and 920 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 470/470 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60098ms problems are : Problem set: 0 solved, 425 unsolved
Search for dead transitions found 0 dead transitions in 60100ms
Starting structural reductions in LTL mode, iteration 1 : 470/481 places, 445/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66934 ms. Remains : 470/481 places, 445/456 transitions.
Stuttering acceptance computed with spot in 226 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-03
Stuttering criterion allowed to conclude after 485 steps with 0 reset in 3 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-03 finished in 67179 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&&X(p1)))))'
Support contains 4 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 475 transition count 450
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 475 transition count 450
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 472 transition count 447
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 472 transition count 447
Applied a total of 18 rules in 35 ms. Remains 472 /481 variables (removed 9) and now considering 447/456 (removed 9) transitions.
// Phase 1: matrix 447 rows 472 cols
[2025-06-01 11:29:29] [INFO ] Computed 25 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:29:29] [INFO ] Implicit Places using invariants in 213 ms returned []
[2025-06-01 11:29:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:29:36] [INFO ] Implicit Places using invariants and state equation in 6774 ms returned []
Implicit Place search using SMT with State Equation took 6989 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2025-06-01 11:29:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/452 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (OVERLAPS) 20/472 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/472 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 447/919 variables, 472/497 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 919/919 variables, and 497 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 472/472 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/452 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (OVERLAPS) 20/472 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/472 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 447/919 variables, 472/497 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/919 variables, 427/924 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 919/919 variables, and 924 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 472/472 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60088ms
Starting structural reductions in LTL mode, iteration 1 : 472/481 places, 447/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67117 ms. Remains : 472/481 places, 447/456 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-05
Stuttering criterion allowed to conclude after 485 steps with 0 reset in 2 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-05 finished in 67251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 1 out of 481 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Reduce places removed 20 places and 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 200 transitions
Trivial Post-agglo rules discarded 200 transitions
Performed 200 trivial Post agglomeration. Transition count delta: 200
Iterating post reduction 0 with 200 rules applied. Total rules applied 200 place count 461 transition count 236
Reduce places removed 200 places and 0 transitions.
Iterating post reduction 1 with 200 rules applied. Total rules applied 400 place count 261 transition count 236
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 407 place count 254 transition count 229
Iterating global reduction 2 with 7 rules applied. Total rules applied 414 place count 254 transition count 229
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 3 rules applied. Total rules applied 417 place count 254 transition count 226
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 420 place count 251 transition count 226
Applied a total of 420 rules in 27 ms. Remains 251 /481 variables (removed 230) and now considering 226/456 (removed 230) transitions.
// Phase 1: matrix 226 rows 251 cols
[2025-06-01 11:30:36] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:30:36] [INFO ] Implicit Places using invariants in 220 ms returned []
[2025-06-01 11:30:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:30:38] [INFO ] Implicit Places using invariants and state equation in 1740 ms returned []
Implicit Place search using SMT with State Equation took 1962 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:30:38] [INFO ] Redundant transitions in 8 ms returned []
Running 187 sub problems to find dead transitions.
[2025-06-01 11:30:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 2/214 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (OVERLAPS) 189/403 variables, 214/239 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/403 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (OVERLAPS) 0/403 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Real declared 403/477 variables, and 239 constraints, problems are : Problem set: 0 solved, 187 unsolved in 14859 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 214/251 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 187 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/212 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/212 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 2/214 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (OVERLAPS) 189/403 variables, 214/239 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/403 variables, 187/426 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 187 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 403/477 variables, and 426 constraints, problems are : Problem set: 0 solved, 187 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 214/251 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44887ms problems are : Problem set: 0 solved, 187 unsolved
Search for dead transitions found 0 dead transitions in 44887ms
Starting structural reductions in SI_LTL mode, iteration 1 : 251/481 places, 226/456 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 46888 ms. Remains : 251/481 places, 226/456 transitions.
Stuttering acceptance computed with spot in 84 ms :[p0, p0]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-06
Product exploration explored 100000 steps with 942 reset in 283 ms.
Product exploration explored 100000 steps with 975 reset in 230 ms.
Computed a total of 251 stabilizing places and 226 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 251 transition count 226
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 10 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-20-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-20-LTLFireability-06 finished in 47589 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 481 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Reduce places removed 19 places and 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 190 transitions
Trivial Post-agglo rules discarded 190 transitions
Performed 190 trivial Post agglomeration. Transition count delta: 190
Iterating post reduction 0 with 190 rules applied. Total rules applied 190 place count 462 transition count 247
Reduce places removed 190 places and 0 transitions.
Iterating post reduction 1 with 190 rules applied. Total rules applied 380 place count 272 transition count 247
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 387 place count 265 transition count 240
Iterating global reduction 2 with 7 rules applied. Total rules applied 394 place count 265 transition count 240
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 3 rules applied. Total rules applied 397 place count 265 transition count 237
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 400 place count 262 transition count 237
Applied a total of 400 rules in 27 ms. Remains 262 /481 variables (removed 219) and now considering 237/456 (removed 219) transitions.
// Phase 1: matrix 237 rows 262 cols
[2025-06-01 11:31:24] [INFO ] Computed 25 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:31:24] [INFO ] Implicit Places using invariants in 226 ms returned []
[2025-06-01 11:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:31:26] [INFO ] Implicit Places using invariants and state equation in 1943 ms returned []
Implicit Place search using SMT with State Equation took 2171 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:31:26] [INFO ] Redundant transitions in 3 ms returned []
Running 201 sub problems to find dead transitions.
[2025-06-01 11:31:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/226 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/226 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 2 (OVERLAPS) 3/229 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/229 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 4 (OVERLAPS) 204/433 variables, 229/254 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/433 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 6 (OVERLAPS) 0/433 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 201 unsolved
No progress, stopping.
After SMT solving in domain Real declared 433/499 variables, and 254 constraints, problems are : Problem set: 0 solved, 201 unsolved in 17710 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 229/262 constraints, PredecessorRefiner: 201/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 201 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/226 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/226 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 2 (OVERLAPS) 3/229 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/229 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 4 (OVERLAPS) 204/433 variables, 229/254 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/433 variables, 201/455 constraints. Problems are: Problem set: 0 solved, 201 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/433 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 201 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/499 variables, and 455 constraints, problems are : Problem set: 0 solved, 201 unsolved in 30007 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 229/262 constraints, PredecessorRefiner: 201/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47736ms problems are : Problem set: 0 solved, 201 unsolved
Search for dead transitions found 0 dead transitions in 47736ms
Starting structural reductions in SI_LTL mode, iteration 1 : 262/481 places, 237/456 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 49945 ms. Remains : 262/481 places, 237/456 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-07
Stuttering criterion allowed to conclude after 258 steps with 0 reset in 1 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-07 finished in 49992 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||G(p1)||(X(p2)&&F(p1)))))'
Support contains 4 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 475 transition count 450
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 475 transition count 450
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 471 transition count 446
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 471 transition count 446
Applied a total of 20 rules in 34 ms. Remains 471 /481 variables (removed 10) and now considering 446/456 (removed 10) transitions.
// Phase 1: matrix 446 rows 471 cols
[2025-06-01 11:32:14] [INFO ] Computed 25 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:32:14] [INFO ] Implicit Places using invariants in 213 ms returned []
[2025-06-01 11:32:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:32:21] [INFO ] Implicit Places using invariants and state equation in 6869 ms returned []
Implicit Place search using SMT with State Equation took 7083 ms to find 0 implicit places.
Running 426 sub problems to find dead transitions.
[2025-06-01 11:32:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 917/917 variables, and 496 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 426 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/917 variables, 426/922 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/917 variables, and 922 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60092ms problems are : Problem set: 0 solved, 426 unsolved
Search for dead transitions found 0 dead transitions in 60094ms
Starting structural reductions in LTL mode, iteration 1 : 471/481 places, 446/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67214 ms. Remains : 471/481 places, 446/456 transitions.
Stuttering acceptance computed with spot in 261 ms :[(AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-08
Stuttering criterion allowed to conclude after 517 steps with 19 reset in 2 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-08 finished in 67497 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1)||(p2&&X(p3)))))'
Support contains 6 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 475 transition count 450
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 475 transition count 450
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 471 transition count 446
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 471 transition count 446
Applied a total of 20 rules in 49 ms. Remains 471 /481 variables (removed 10) and now considering 446/456 (removed 10) transitions.
// Phase 1: matrix 446 rows 471 cols
[2025-06-01 11:33:21] [INFO ] Computed 25 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:33:22] [INFO ] Implicit Places using invariants in 207 ms returned []
[2025-06-01 11:33:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:33:28] [INFO ] Implicit Places using invariants and state equation in 6827 ms returned []
Implicit Place search using SMT with State Equation took 7036 ms to find 0 implicit places.
Running 426 sub problems to find dead transitions.
[2025-06-01 11:33:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 917/917 variables, and 496 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 426 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/917 variables, 426/922 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/917 variables, and 922 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60094ms problems are : Problem set: 0 solved, 426 unsolved
Search for dead transitions found 0 dead transitions in 60098ms
Starting structural reductions in LTL mode, iteration 1 : 471/481 places, 446/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67187 ms. Remains : 471/481 places, 446/456 transitions.
Stuttering acceptance computed with spot in 232 ms :[true, (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-12
Product exploration explored 100000 steps with 33333 reset in 259 ms.
Product exploration explored 100000 steps with 33333 reset in 280 ms.
Computed a total of 471 stabilizing places and 446 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 471 transition count 446
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p3 (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p0) (NOT p1) p2)), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT p0)), (X (NOT p1)), (X (X p3)), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT p1))), (F (G p3)), (F (G (NOT p0))), (F (G (NOT p1))), (F (G p2))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 16 factoid took 15 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-20-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-20-LTLFireability-12 finished in 68147 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0)&&(p1||F(p2))))))'
Support contains 5 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 475 transition count 450
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 475 transition count 450
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 471 transition count 446
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 471 transition count 446
Applied a total of 20 rules in 34 ms. Remains 471 /481 variables (removed 10) and now considering 446/456 (removed 10) transitions.
[2025-06-01 11:34:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:34:30] [INFO ] Implicit Places using invariants in 198 ms returned []
[2025-06-01 11:34:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:34:37] [INFO ] Implicit Places using invariants and state equation in 6926 ms returned []
Implicit Place search using SMT with State Equation took 7128 ms to find 0 implicit places.
Running 426 sub problems to find dead transitions.
[2025-06-01 11:34:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 917/917 variables, and 496 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 426 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/917 variables, 426/922 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/917 variables, and 922 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60094ms problems are : Problem set: 0 solved, 426 unsolved
Search for dead transitions found 0 dead transitions in 60097ms
Starting structural reductions in LTL mode, iteration 1 : 471/481 places, 446/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67261 ms. Remains : 471/481 places, 446/456 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), true]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-13 finished in 67440 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0&&F(p1)&&F(G(p0)))))'
Support contains 3 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 474 transition count 449
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 474 transition count 449
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 471 transition count 446
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 471 transition count 446
Applied a total of 20 rules in 41 ms. Remains 471 /481 variables (removed 10) and now considering 446/456 (removed 10) transitions.
// Phase 1: matrix 446 rows 471 cols
[2025-06-01 11:35:37] [INFO ] Computed 25 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:35:37] [INFO ] Implicit Places using invariants in 211 ms returned []
[2025-06-01 11:35:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:35:43] [INFO ] Implicit Places using invariants and state equation in 6166 ms returned []
Implicit Place search using SMT with State Equation took 6379 ms to find 0 implicit places.
Running 426 sub problems to find dead transitions.
[2025-06-01 11:35:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 917/917 variables, and 496 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 426 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/451 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 2 (OVERLAPS) 20/471 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 4 (OVERLAPS) 446/917 variables, 471/496 constraints. Problems are: Problem set: 0 solved, 426 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/917 variables, 426/922 constraints. Problems are: Problem set: 0 solved, 426 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/917 variables, and 922 constraints, problems are : Problem set: 0 solved, 426 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 471/471 constraints, PredecessorRefiner: 426/426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 0 solved, 426 unsolved
Search for dead transitions found 0 dead transitions in 60086ms
Starting structural reductions in LTL mode, iteration 1 : 471/481 places, 446/456 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66508 ms. Remains : 471/481 places, 446/456 transitions.
Stuttering acceptance computed with spot in 150 ms :[true, true, true, (NOT p1), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-14
Entered a terminal (fully accepting) state of product in 141 steps with 3 reset in 2 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-14 finished in 66679 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (G(p0)||(p0&&G(p1)))) U (p0&&G(p2))))'
Support contains 3 out of 481 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 481/481 places, 456/456 transitions.
Reduce places removed 19 places and 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 199 transitions
Trivial Post-agglo rules discarded 199 transitions
Performed 199 trivial Post agglomeration. Transition count delta: 199
Iterating post reduction 0 with 199 rules applied. Total rules applied 199 place count 462 transition count 238
Reduce places removed 199 places and 0 transitions.
Iterating post reduction 1 with 199 rules applied. Total rules applied 398 place count 263 transition count 238
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 404 place count 257 transition count 232
Iterating global reduction 2 with 6 rules applied. Total rules applied 410 place count 257 transition count 232
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 3 rules applied. Total rules applied 413 place count 257 transition count 229
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 416 place count 254 transition count 229
Applied a total of 416 rules in 29 ms. Remains 254 /481 variables (removed 227) and now considering 229/456 (removed 227) transitions.
// Phase 1: matrix 229 rows 254 cols
[2025-06-01 11:36:44] [INFO ] Computed 25 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:36:44] [INFO ] Implicit Places using invariants in 217 ms returned []
[2025-06-01 11:36:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:36:44] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-01 11:36:46] [INFO ] Implicit Places using invariants and state equation in 2439 ms returned []
Implicit Place search using SMT with State Equation took 2664 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:36:46] [INFO ] Redundant transitions in 2 ms returned []
Running 193 sub problems to find dead transitions.
[2025-06-01 11:36:46] [INFO ] Invariant cache hit.
[2025-06-01 11:36:46] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 2 (OVERLAPS) 3/221 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 4 (OVERLAPS) 197/418 variables, 221/246 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 11/257 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 7 (OVERLAPS) 1/419 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 193 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/483 variables, and 258 constraints, problems are : Problem set: 0 solved, 193 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 222/254 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 193/193 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 193 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/218 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/218 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 2 (OVERLAPS) 3/221 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 4 (OVERLAPS) 197/418 variables, 221/246 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 11/257 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 193/450 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 193 unsolved
At refinement iteration 8 (OVERLAPS) 1/419 variables, 1/451 constraints. Problems are: Problem set: 0 solved, 193 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 419/483 variables, and 451 constraints, problems are : Problem set: 0 solved, 193 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 222/254 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 193/193 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60037ms problems are : Problem set: 0 solved, 193 unsolved
Search for dead transitions found 0 dead transitions in 60038ms
Starting structural reductions in SI_LTL mode, iteration 1 : 254/481 places, 229/456 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62738 ms. Remains : 254/481 places, 229/456 transitions.
Stuttering acceptance computed with spot in 261 ms :[(OR (NOT p0) (NOT p2)), true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p2)]
Running random walk in product with property : HirschbergSinclair-PT-20-LTLFireability-15
Entered a terminal (fully accepting) state of product in 199 steps with 0 reset in 1 ms.
FORMULA HirschbergSinclair-PT-20-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-20-LTLFireability-15 finished in 63017 ms.
All properties solved by simple procedures.
Total runtime 823285 ms.

BK_STOP 1748777867438

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="HirschbergSinclair-PT-20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is HirschbergSinclair-PT-20, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-tall-174876422000084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-20.tgz
mv HirschbergSinclair-PT-20 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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