Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067600532.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleLock-PT-p1s2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067600532
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.4M 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 DoubleLock-PT-p1s2-LTLFireability-00
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-01
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-02
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-03
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-04
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-05
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-06
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-07
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-08
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-09
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-10
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-11
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-12
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-13
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-14
FORMULA_NAME DoubleLock-PT-p1s2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748762870013

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 07:27:51] [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 07:27:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 07:27:51] [INFO ] Load time of PNML (sax parser for PT used): 311 ms
[2025-06-01 07:27:51] [INFO ] Transformed 570 places.
[2025-06-01 07:27:51] [INFO ] Transformed 7600 transitions.
[2025-06-01 07:27:51] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 435 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
Deduced a syphon composed of 132 places in 22 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s2-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 438 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 438/438 places, 7344/7344 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 434 transition count 7344
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 433 transition count 7216
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 433 transition count 7216
Applied a total of 6 rules in 144 ms. Remains 433 /438 variables (removed 5) and now considering 7216/7344 (removed 128) transitions.
[2025-06-01 07:27:52] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
// Phase 1: matrix 4875 rows 433 cols
[2025-06-01 07:27:52] [INFO ] Computed 2 invariants in 90 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:52] [INFO ] Implicit Places using invariants in 713 ms returned []
[2025-06-01 07:27:52] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:27:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:27:53] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:28:24] [INFO ] Performed 124/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:28:51] [INFO ] Implicit Places using invariants and state equation in 58345 ms returned []
Implicit Place search using SMT with State Equation took 59089 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:28:51] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:28:51] [INFO ] Invariant cache hit.
[2025-06-01 07:28:51] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 45337ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 45383ms
Starting structural reductions in LTL mode, iteration 1 : 433/438 places, 7216/7344 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 104668 ms. Remains : 433/438 places, 7216/7344 transitions.
Support contains 41 out of 433 places after structural reductions.
[2025-06-01 07:29:37] [INFO ] Flatten gal took : 367 ms
[2025-06-01 07:29:37] [INFO ] Flatten gal took : 227 ms
[2025-06-01 07:29:37] [INFO ] Input system was already deterministic with 7216 transitions.
Reduction of identical properties reduced properties to check from 24 to 23
RANDOM walk for 40010 steps (348 resets) in 1741 ms. (22 steps per ms) remains 17/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4003 steps (9 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (9 resets) in 19 ms. (200 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 37 ms. (105 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 14/14 properties
[2025-06-01 07:29:38] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:29:38] [INFO ] Invariant cache hit.
[2025-06-01 07:29:38] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 131/159 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2955/3114 variables, 159/160 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3114 variables, 12/172 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3114 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2073/5187 variables, 153/325 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5187 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5187 variables, 388/714 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5187/5308 variables, and 714 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 312/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 14/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 131/159 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 2955/3114 variables, 159/160 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3114 variables, 12/172 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3114 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 2073/5187 variables, 153/325 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5187 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5187/5308 variables, and 714 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 312/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10139ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 28 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 433 transition count 7156
Applied a total of 60 rules in 328 ms. Remains 433 /433 variables (removed 0) and now considering 7156/7216 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 330 ms. Remains : 433/433 places, 7156/7216 transitions.
RANDOM walk for 40008 steps (348 resets) in 312 ms. (127 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40004 steps (54 resets) in 111 ms. (357 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40004 steps (56 resets) in 100 ms. (396 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (56 resets) in 97 ms. (408 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (53 resets) in 89 ms. (444 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (55 resets) in 80 ms. (493 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (56 resets) in 119 ms. (333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (54 resets) in 82 ms. (481 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (54 resets) in 89 ms. (444 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (52 resets) in 92 ms. (430 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (53 resets) in 103 ms. (384 steps per ms) remains 9/10 properties
[2025-06-01 07:29:49] [INFO ] Flow matrix only has 4815 transitions (discarded 2341 similar events)
// Phase 1: matrix 4815 rows 433 cols
[2025-06-01 07:29:49] [INFO ] Computed 2 invariants in 45 ms
[2025-06-01 07:29:49] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 133/152 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2730/2882 variables, 152/153 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2882 variables, 12/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2882 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2241/5123 variables, 156/321 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5123 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5123 variables, 388/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5123 variables, 0/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 125/5248 variables, 125/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5248 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 0/5248 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5248/5248 variables, and 835 constraints, problems are : Problem set: 0 solved, 9 unsolved in 38549 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 9/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 133/152 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2730/2882 variables, 152/153 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2882 variables, 12/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2882 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 2241/5123 variables, 156/321 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5123 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5123 variables, 388/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5123 variables, 8/718 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5123 variables, 0/718 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5248/5248 variables, and 843 constraints, problems are : Problem set: 0 solved, 9 unsolved in 45021 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 9/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 83668ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7156/7156 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 433 transition count 7155
Applied a total of 1 rules in 194 ms. Remains 433 /433 variables (removed 0) and now considering 7155/7156 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 194 ms. Remains : 433/433 places, 7155/7156 transitions.
RANDOM walk for 40012 steps (342 resets) in 403 ms. (99 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (55 resets) in 98 ms. (404 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (57 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (54 resets) in 87 ms. (454 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (46 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (55 resets) in 84 ms. (470 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (50 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (55 resets) in 64 ms. (615 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (53 resets) in 72 ms. (547 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (51 resets) in 73 ms. (540 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 101202 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 9
Probabilistic random walk after 101202 steps, saw 79397 distinct states, run finished after 3006 ms. (steps per millisecond=33 ) properties seen :0
[2025-06-01 07:31:16] [INFO ] Flow matrix only has 4814 transitions (discarded 2341 similar events)
// Phase 1: matrix 4814 rows 433 cols
[2025-06-01 07:31:16] [INFO ] Computed 2 invariants in 34 ms
[2025-06-01 07:31:16] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 133/152 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2730/2882 variables, 152/153 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2882 variables, 12/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2882 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2240/5122 variables, 156/321 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5122 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5122 variables, 388/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5122 variables, 0/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 125/5247 variables, 125/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5247 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 0/5247 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5247/5247 variables, and 835 constraints, problems are : Problem set: 0 solved, 9 unsolved in 52593 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 9/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 133/152 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 2730/2882 variables, 152/153 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2882 variables, 12/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2882 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 2240/5122 variables, 156/321 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5122 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5122 variables, 388/710 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5122 variables, 8/718 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:32:30] [INFO ] Deduced a trap along path composed of 4 places in 61 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/5122 variables, 1/719 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5122 variables, 0/719 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5247/5247 variables, and 844 constraints, problems are : Problem set: 0 solved, 9 unsolved in 75029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 9/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 127705ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7155/7155 transitions.
Applied a total of 0 rules in 176 ms. Remains 433 /433 variables (removed 0) and now considering 7155/7155 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 433/433 places, 7155/7155 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7155/7155 transitions.
Applied a total of 0 rules in 164 ms. Remains 433 /433 variables (removed 0) and now considering 7155/7155 (removed 0) transitions.
[2025-06-01 07:33:24] [INFO ] Flow matrix only has 4814 transitions (discarded 2341 similar events)
[2025-06-01 07:33:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:33:25] [INFO ] Implicit Places using invariants in 414 ms returned []
[2025-06-01 07:33:25] [INFO ] Flow matrix only has 4814 transitions (discarded 2341 similar events)
[2025-06-01 07:33:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:33:25] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:33:56] [INFO ] Performed 30/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:34:26] [INFO ] Performed 109/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:34:56] [INFO ] Performed 419/433 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2025-06-01 07:35:01] [INFO ] Implicit Places using invariants and state equation in 96859 ms returned []
Implicit Place search using SMT with State Equation took 97279 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:35:02] [INFO ] Redundant transitions in 784 ms returned []
Running 7153 sub problems to find dead transitions.
[2025-06-01 07:35:02] [INFO ] Flow matrix only has 4814 transitions (discarded 2341 similar events)
[2025-06-01 07:35:02] [INFO ] Invariant cache hit.
[2025-06-01 07:35:02] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7153 unsolved
SMT process timed out in 43925ms, After SMT, problems are : Problem set: 0 solved, 7153 unsolved
Search for dead transitions found 0 dead transitions in 43940ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142195 ms. Remains : 433/433 places, 7155/7155 transitions.
Computed a total of 10 stabilizing places and 2176 stable transitions
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(p1)||G(p2))&&p0)))'
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 105 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:35:47] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
// Phase 1: matrix 4875 rows 433 cols
[2025-06-01 07:35:47] [INFO ] Computed 2 invariants in 29 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:35:47] [INFO ] Implicit Places using invariants in 443 ms returned []
[2025-06-01 07:35:47] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:35:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:35:48] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:36:19] [INFO ] Performed 392/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:36:41] [INFO ] Implicit Places using invariants and state equation in 54019 ms returned []
Implicit Place search using SMT with State Equation took 54465 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:36:41] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:36:41] [INFO ] Invariant cache hit.
[2025-06-01 07:36:41] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44288ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44300ms
Finished structural reductions in LTL mode , in 1 iterations and 98896 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 310 ms :[true, (NOT p1), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-00 finished in 99272 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(p0)&&(!p0||X(p1))))||G(p2)))'
Support contains 6 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 25 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:37:26] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:37:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:37:26] [INFO ] Implicit Places using invariants in 410 ms returned []
[2025-06-01 07:37:26] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:37:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:37:27] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:37:58] [INFO ] Performed 392/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:38:19] [INFO ] Implicit Places using invariants and state equation in 52602 ms returned []
Implicit Place search using SMT with State Equation took 53019 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:38:19] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:38:19] [INFO ] Invariant cache hit.
[2025-06-01 07:38:19] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44155ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44169ms
Finished structural reductions in LTL mode , in 1 iterations and 97236 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), true, (OR (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-03
Entered a terminal (fully accepting) state of product in 346 steps with 5 reset in 14 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-03 finished in 97617 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((X(p1)&&p0))&&(F(p2) U X(p3))))'
Support contains 8 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 29 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:39:03] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:39:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:39:04] [INFO ] Implicit Places using invariants in 385 ms returned []
[2025-06-01 07:39:04] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:39:04] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:39:35] [INFO ] Performed 317/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:40:05] [INFO ] Performed 420/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:40:11] [INFO ] Implicit Places using invariants and state equation in 67138 ms returned []
Implicit Place search using SMT with State Equation took 67526 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:40:11] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:40:11] [INFO ] Invariant cache hit.
[2025-06-01 07:40:11] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44051ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44063ms
Finished structural reductions in LTL mode , in 1 iterations and 111639 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 259 ms :[(OR (NOT p3) (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p1), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-06
Stuttering criterion allowed to conclude after 55 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-06 finished in 111932 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((p0||X(p1)))))))'
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 26 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:40:55] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:40:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:40:56] [INFO ] Implicit Places using invariants in 416 ms returned []
[2025-06-01 07:40:56] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:40:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:40:56] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:41:27] [INFO ] Performed 256/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:41:58] [INFO ] Performed 410/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:42:11] [INFO ] Implicit Places using invariants and state equation in 75374 ms returned []
Implicit Place search using SMT with State Equation took 75795 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:42:11] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:42:11] [INFO ] Invariant cache hit.
[2025-06-01 07:42:11] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44149ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44160ms
Finished structural reductions in LTL mode , in 1 iterations and 120014 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 207 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-07
Stuttering criterion allowed to conclude after 105 steps with 0 reset in 2 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-07 finished in 120246 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (!(G((p1 U p2)) U G(p3)) U (X(p2) U p0))))'
Support contains 8 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 28 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:42:56] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:42:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:42:56] [INFO ] Implicit Places using invariants in 406 ms returned []
[2025-06-01 07:42:56] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:42:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:42:57] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:43:27] [INFO ] Performed 407/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:43:40] [INFO ] Implicit Places using invariants and state equation in 43555 ms returned []
Implicit Place search using SMT with State Equation took 43963 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:43:40] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:43:40] [INFO ] Invariant cache hit.
[2025-06-01 07:43:40] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44104ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44115ms
Finished structural reductions in LTL mode , in 1 iterations and 88120 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 288 ms :[(NOT p0), (AND p3 (NOT p2)), (AND (NOT p0) p2 p3), p3, (AND (NOT p0) p2 p3), (AND p2 p3), (AND p2 p3)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-08
Stuttering criterion allowed to conclude after 128 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-08 finished in 88453 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(p1))))'
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 265 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:44:24] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:44:25] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-01 07:44:25] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:44:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:44:25] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:44:57] [INFO ] Performed 386/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:45:27] [INFO ] Performed 426/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:45:30] [INFO ] Implicit Places using invariants and state equation in 65604 ms returned []
Implicit Place search using SMT with State Equation took 66032 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:45:31] [INFO ] Redundant transitions in 689 ms returned []
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:45:31] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:45:31] [INFO ] Invariant cache hit.
[2025-06-01 07:45:31] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44275ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44286ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 111293 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 146 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-09
Stuttering criterion allowed to conclude after 85 steps with 0 reset in 2 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-09 finished in 111466 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 172 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:46:16] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:46:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:46:16] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-06-01 07:46:16] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:46:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:46:17] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:46:48] [INFO ] Performed 102/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:47:18] [INFO ] Performed 406/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:47:37] [INFO ] Implicit Places using invariants and state equation in 81093 ms returned []
Implicit Place search using SMT with State Equation took 81497 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:47:38] [INFO ] Redundant transitions in 584 ms returned []
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:47:38] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:47:38] [INFO ] Invariant cache hit.
[2025-06-01 07:47:38] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44085ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44093ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 126371 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 57 ms :[true, (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-12
Product exploration explored 100000 steps with 1260 reset in 1201 ms.
Product exploration explored 100000 steps with 1260 reset in 835 ms.
Computed a total of 10 stabilizing places and 2176 stable transitions
Computed a total of 10 stabilizing places and 2176 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
RANDOM walk for 40004 steps (344 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (56 resets) in 180 ms. (221 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 166095 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 1
Probabilistic random walk after 166095 steps, saw 128073 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2025-06-01 07:48:27] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:48:27] [INFO ] Invariant cache hit.
[2025-06-01 07:48:27] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4631/5178 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5178 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5178 variables, 400/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5178 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/5182 variables, 1/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5182 variables, 4/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5182 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5308/5308 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3234 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4631/5178 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5178 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5178/5308 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1796 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 303/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5058ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 0 with 62 rules applied. Total rules applied 62 place count 433 transition count 7154
Applied a total of 62 rules in 175 ms. Remains 433 /433 variables (removed 0) and now considering 7154/7216 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 433/433 places, 7154/7216 transitions.
RANDOM walk for 40003 steps (337 resets) in 228 ms. (174 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (52 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 161975 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 1
Probabilistic random walk after 161975 steps, saw 125007 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2025-06-01 07:48:36] [INFO ] Flow matrix only has 4813 transitions (discarded 2341 similar events)
// Phase 1: matrix 4813 rows 433 cols
[2025-06-01 07:48:36] [INFO ] Computed 2 invariants in 33 ms
[2025-06-01 07:48:36] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4569/5116 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5116 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5116 variables, 400/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5116 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/5120 variables, 1/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5120 variables, 4/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5120 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 126/5246 variables, 126/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5246 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/5246 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5246/5246 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2632 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4569/5116 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5116 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5116 variables, 400/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:48:41] [INFO ] Deduced a trap along path composed of 4 places in 63 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/5116 variables, 1/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5116 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/5120 variables, 1/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5120 variables, 4/710 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5120 variables, 0/710 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 126/5246 variables, 126/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5246 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5246 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5246/5246 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4652 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7349ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 161 ms.
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7154/7154 transitions.
Applied a total of 0 rules in 156 ms. Remains 433 /433 variables (removed 0) and now considering 7154/7154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 433/433 places, 7154/7154 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7154/7154 transitions.
Applied a total of 0 rules in 153 ms. Remains 433 /433 variables (removed 0) and now considering 7154/7154 (removed 0) transitions.
[2025-06-01 07:48:43] [INFO ] Flow matrix only has 4813 transitions (discarded 2341 similar events)
[2025-06-01 07:48:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:48:44] [INFO ] Implicit Places using invariants in 416 ms returned []
[2025-06-01 07:48:44] [INFO ] Flow matrix only has 4813 transitions (discarded 2341 similar events)
[2025-06-01 07:48:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:48:45] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:49:15] [INFO ] Performed 90/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:49:45] [INFO ] Performed 405/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:50:04] [INFO ] Implicit Places using invariants and state equation in 80563 ms returned []
Implicit Place search using SMT with State Equation took 80980 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:50:05] [INFO ] Redundant transitions in 794 ms returned []
Running 7152 sub problems to find dead transitions.
[2025-06-01 07:50:05] [INFO ] Flow matrix only has 4813 transitions (discarded 2341 similar events)
[2025-06-01 07:50:05] [INFO ] Invariant cache hit.
[2025-06-01 07:50:05] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
(s163 1.0)
(s164 1.0)
(s165 1.0)
(s166 1.0)
(s167 1.0)
(s168 1.0)
(s169 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7152 unsolved
SMT process timed out in 44198ms, After SMT, problems are : Problem set: 0 solved, 7152 unsolved
Search for dead transitions found 0 dead transitions in 44206ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126154 ms. Remains : 433/433 places, 7154/7154 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 53 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 55 ms :[true, (NOT p0)]
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 160 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:50:50] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
// Phase 1: matrix 4875 rows 433 cols
[2025-06-01 07:50:50] [INFO ] Computed 2 invariants in 28 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:50:50] [INFO ] Implicit Places using invariants in 436 ms returned []
[2025-06-01 07:50:50] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:50:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:50:51] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:51:22] [INFO ] Performed 109/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:51:52] [INFO ] Performed 410/433 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2025-06-01 07:52:09] [INFO ] Implicit Places using invariants and state equation in 78907 ms returned []
Implicit Place search using SMT with State Equation took 79349 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:52:10] [INFO ] Redundant transitions in 570 ms returned []
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:52:10] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:52:10] [INFO ] Invariant cache hit.
[2025-06-01 07:52:10] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44601ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44609ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 124708 ms. Remains : 433/433 places, 7216/7216 transitions.
Computed a total of 10 stabilizing places and 2176 stable transitions
Computed a total of 10 stabilizing places and 2176 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p0)]
RANDOM walk for 40006 steps (349 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (51 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 163807 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 1
Probabilistic random walk after 163807 steps, saw 126369 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
[2025-06-01 07:52:58] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:52:58] [INFO ] Invariant cache hit.
[2025-06-01 07:52:58] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4631/5178 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5178 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5178 variables, 400/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5178 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/5182 variables, 1/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5182 variables, 4/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5182 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5308/5308 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3317 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 543/547 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/547 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4631/5178 variables, 299/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5178 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5178/5308 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1787 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 303/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5136ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 0 with 62 rules applied. Total rules applied 62 place count 433 transition count 7154
Applied a total of 62 rules in 173 ms. Remains 433 /433 variables (removed 0) and now considering 7154/7216 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 433/433 places, 7154/7216 transitions.
RANDOM walk for 40010 steps (344 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 30737 steps (40 resets) in 49 ms. (614 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 3 factoid took 84 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA DoubleLock-PT-p1s2-LTLFireability-12 FALSE TECHNIQUES KNOWLEDGE
Treatment of property DoubleLock-PT-p1s2-LTLFireability-12 finished in 407697 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0 U p1)) U (G((G(p2) U p1))||G(!p3))))'
Support contains 8 out of 433 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 27 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:53:03] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:53:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:53:04] [INFO ] Implicit Places using invariants in 399 ms returned []
[2025-06-01 07:53:04] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:53:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:53:04] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:53:35] [INFO ] Performed 404/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:53:51] [INFO ] Implicit Places using invariants and state equation in 47031 ms returned []
Implicit Place search using SMT with State Equation took 47434 ms to find 0 implicit places.
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:53:51] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:53:51] [INFO ] Invariant cache hit.
[2025-06-01 07:53:51] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44931ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44939ms
Finished structural reductions in LTL mode , in 1 iterations and 92414 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 833 ms :[(AND (NOT p1) p3), (NOT p1), (OR (AND (NOT p0) (NOT p1) p3) (AND (NOT p1) p2 p3)), (AND (NOT p1) p3 (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) p3), (AND (NOT p0) (NOT p1) p3), (AND (NOT p1) p3), (AND (NOT p0) (NOT p1) p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p1), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p3))), true, p3, (NOT p2), (AND p3 (NOT p2)), (NOT p1), (AND p2 (NOT p1) p3 p0), (NOT p1), (AND p0 (NOT p1) p3)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-14
Entered a terminal (fully accepting) state of product in 328 steps with 3 reset in 5 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-14 finished in 93299 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 433/433 places, 7216/7216 transitions.
Applied a total of 0 rules in 168 ms. Remains 433 /433 variables (removed 0) and now considering 7216/7216 (removed 0) transitions.
[2025-06-01 07:54:37] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:54:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:54:37] [INFO ] Implicit Places using invariants in 414 ms returned []
[2025-06-01 07:54:37] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:54:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:54:38] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:55:09] [INFO ] Performed 392/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:55:32] [INFO ] Implicit Places using invariants and state equation in 54615 ms returned []
Implicit Place search using SMT with State Equation took 55034 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:55:32] [INFO ] Redundant transitions in 598 ms returned []
Running 7214 sub problems to find dead transitions.
[2025-06-01 07:55:32] [INFO ] Flow matrix only has 4875 transitions (discarded 2341 similar events)
[2025-06-01 07:55:32] [INFO ] Invariant cache hit.
[2025-06-01 07:55:32] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7214 unsolved
SMT process timed out in 44208ms, After SMT, problems are : Problem set: 0 solved, 7214 unsolved
Search for dead transitions found 0 dead transitions in 44216ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 100076 ms. Remains : 433/433 places, 7216/7216 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p1s2-LTLFireability-15
Stuttering criterion allowed to conclude after 72 steps with 0 reset in 2 ms.
FORMULA DoubleLock-PT-p1s2-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p1s2-LTLFireability-15 finished in 100179 ms.
All properties solved by simple procedures.
Total runtime 1705953 ms.

BK_STOP 1748764577170

--------------------
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="DoubleLock-PT-p1s2"
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 DoubleLock-PT-p1s2, 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 r072-tall-174860067600532"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 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 ;