fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r520-tall-171662337800083
Last Updated
July 7, 2024

About the Execution of LTSMin+red for QuasiCertifProtocol-PT-18

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
968.760 751290.00 1206582.00 1637.50 FFTF?FTFTTFTFT?T normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r520-tall-171662337800083.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is QuasiCertifProtocol-PT-18, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r520-tall-171662337800083
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 46K Apr 13 04:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 318K Apr 13 04:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 20K Apr 13 04:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 135K Apr 13 04:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 16K Apr 23 07:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Apr 23 07:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Apr 23 07:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 29K Apr 23 07:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Apr 13 04:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K Apr 13 04:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 13 04:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K Apr 13 04:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.3K Apr 23 07:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 360K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-00
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-01
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-02
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-03
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-04
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-05
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-06
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-07
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-08
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-09
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-10
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-11
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-12
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-13
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-14
FORMULA_NAME QuasiCertifProtocol-PT-18-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717220148171

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=QuasiCertifProtocol-PT-18
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:35:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 05:35:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:35:49] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2024-06-01 05:35:49] [INFO ] Transformed 1398 places.
[2024-06-01 05:35:49] [INFO ] Transformed 296 transitions.
[2024-06-01 05:35:49] [INFO ] Parsed PT model containing 1398 places and 296 transitions and 3119 arcs in 199 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 566 out of 1398 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1398/1398 places, 296/296 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1397 transition count 296
Applied a total of 1 rules in 118 ms. Remains 1397 /1398 variables (removed 1) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1397 cols
[2024-06-01 05:35:49] [INFO ] Computed 1102 invariants in 44 ms
[2024-06-01 05:35:50] [INFO ] Implicit Places using invariants in 1191 ms returned []
[2024-06-01 05:35:50] [INFO ] Invariant cache hit.
[2024-06-01 05:35:54] [INFO ] Implicit Places using invariants and state equation in 3415 ms returned [834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 947, 948, 950, 951, 952, 953, 954]
Discarding 17 places :
Implicit Place search using SMT with State Equation took 4640 ms to find 17 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1380/1398 places, 296/296 transitions.
Applied a total of 0 rules in 28 ms. Remains 1380 /1380 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4802 ms. Remains : 1380/1398 places, 296/296 transitions.
Support contains 566 out of 1380 places after structural reductions.
[2024-06-01 05:35:54] [INFO ] Flatten gal took : 104 ms
[2024-06-01 05:35:54] [INFO ] Flatten gal took : 64 ms
[2024-06-01 05:35:54] [INFO ] Input system was already deterministic with 296 transitions.
RANDOM walk for 40000 steps (1769 resets) in 1741 ms. (22 steps per ms) remains 15/18 properties
BEST_FIRST walk for 4004 steps (11 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 21 ms. (181 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 4003 steps (11 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (16 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (13 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (14 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 17 ms. (222 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
// Phase 1: matrix 296 rows 1380 cols
[2024-06-01 05:35:55] [INFO ] Computed 1085 invariants in 19 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/506 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 4/510 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/510 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 506/1016 variables, 744/745 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1016 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 364/1380 variables, 340/1085 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1380 variables, 0/1085 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp16 is UNSAT
At refinement iteration 7 (OVERLAPS) 296/1676 variables, 1380/2465 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1676 variables, 0/2465 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/1676 variables, 0/2465 constraints. Problems are: Problem set: 3 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1676/1676 variables, and 2465 constraints, problems are : Problem set: 3 solved, 12 unsolved in 4218 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1084/1084 constraints, State Equation: 1380/1380 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/501 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 4/505 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 508/1013 variables, 742/743 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1013 variables, 0/743 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 367/1380 variables, 342/1085 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1380 variables, 0/1085 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 296/1676 variables, 1380/2465 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1676 variables, 12/2477 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1676 variables, 0/2477 constraints. Problems are: Problem set: 3 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1676/1676 variables, and 2477 constraints, problems are : Problem set: 3 solved, 12 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1084/1084 constraints, State Equation: 1380/1380 constraints, PredecessorRefiner: 12/15 constraints, Known Traps: 0/0 constraints]
After SMT, in 9320ms problems are : Problem set: 3 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 501 out of 1380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 1361 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.6 ms
Discarding 19 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 57 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 0 with 57 rules applied. Total rules applied 58 place count 1361 transition count 239
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 59 place count 1361 transition count 238
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 60 place count 1360 transition count 238
Applied a total of 60 rules in 148 ms. Remains 1360 /1380 variables (removed 20) and now considering 238/296 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 1360/1380 places, 238/296 transitions.
RANDOM walk for 40000 steps (1244 resets) in 1085 ms. (36 steps per ms) remains 9/12 properties
BEST_FIRST walk for 40004 steps (84 resets) in 311 ms. (128 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (84 resets) in 102 ms. (388 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (82 resets) in 95 ms. (416 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (84 resets) in 67 ms. (588 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (84 resets) in 63 ms. (625 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (100 resets) in 72 ms. (548 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (72 resets) in 56 ms. (701 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (84 resets) in 52 ms. (754 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (84 resets) in 64 ms. (615 steps per ms) remains 9/9 properties
// Phase 1: matrix 238 rows 1360 cols
[2024-06-01 05:36:05] [INFO ] Computed 1123 invariants in 6 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 5/447 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/447 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 533/980 variables, 762/763 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/980 variables, 0/763 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 342/1322 variables, 342/1105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1322 variables, 0/1105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 238/1560 variables, 1322/2427 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1560 variables, 0/2427 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 38/1598 variables, 38/2465 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1598 variables, 18/2483 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1598 variables, 0/2483 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 0/1598 variables, 0/2483 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1598/1598 variables, and 2483 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2869 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1122/1122 constraints, State Equation: 1360/1360 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 5/447 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/447 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 533/980 variables, 762/763 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/980 variables, 0/763 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 342/1322 variables, 342/1105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1322 variables, 0/1105 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 238/1560 variables, 1322/2427 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1560 variables, 8/2435 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1560 variables, 0/2435 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 38/1598 variables, 38/2473 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1598 variables, 18/2491 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1598 variables, 1/2492 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1598 variables, 0/2492 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/1598 variables, 0/2492 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1598/1598 variables, and 2492 constraints, problems are : Problem set: 0 solved, 9 unsolved in 35848 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1122/1122 constraints, State Equation: 1360/1360 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 38763ms problems are : Problem set: 0 solved, 9 unsolved
Finished Parikh walk after 110 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=55 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 9 properties in 579 ms.
Successfully simplified 3 atomic propositions for a total of 11 simplifications.
Computed a total of 1380 stabilizing places and 296 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1380 transition count 296
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_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 361 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Reduce places removed 41 places and 0 transitions.
Iterating post reduction 0 with 41 rules applied. Total rules applied 41 place count 1339 transition count 296
Applied a total of 41 rules in 27 ms. Remains 1339 /1380 variables (removed 41) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1339 cols
[2024-06-01 05:36:45] [INFO ] Computed 1045 invariants in 30 ms
[2024-06-01 05:36:46] [INFO ] Implicit Places using invariants in 958 ms returned []
[2024-06-01 05:36:46] [INFO ] Invariant cache hit.
[2024-06-01 05:36:51] [INFO ] Implicit Places using invariants and state equation in 5187 ms returned [916, 917]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 6147 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1337/1380 places, 296/296 transitions.
Applied a total of 0 rules in 26 ms. Remains 1337 /1337 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6200 ms. Remains : 1337/1380 places, 296/296 transitions.
Stuttering acceptance computed with spot in 221 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-00 finished in 6468 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G(p1))))'
Support contains 76 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 1338 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.10 ms
Discarding 42 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 1337 transition count 293
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 1337 transition count 293
Applied a total of 4 rules in 232 ms. Remains 1337 /1380 variables (removed 43) and now considering 293/296 (removed 3) transitions.
// Phase 1: matrix 293 rows 1337 cols
[2024-06-01 05:36:51] [INFO ] Computed 1046 invariants in 21 ms
[2024-06-01 05:36:55] [INFO ] Implicit Places using invariants in 3849 ms returned []
[2024-06-01 05:36:55] [INFO ] Invariant cache hit.
[2024-06-01 05:36:59] [INFO ] Implicit Places using invariants and state equation in 3855 ms returned [933, 934]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 7706 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1335/1380 places, 293/296 transitions.
Applied a total of 0 rules in 54 ms. Remains 1335 /1335 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 7993 ms. Remains : 1335/1380 places, 293/296 transitions.
Stuttering acceptance computed with spot in 30 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-02
Product exploration explored 100000 steps with 10815 reset in 414 ms.
Product exploration explored 100000 steps with 10863 reset in 358 ms.
Computed a total of 1335 stabilizing places and 293 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1335 transition count 293
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)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 463 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (1763 resets) in 465 ms. (85 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (172 resets) in 191 ms. (208 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (133 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
// Phase 1: matrix 293 rows 1335 cols
[2024-06-01 05:37:01] [INFO ] Computed 1044 invariants in 6 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 399/475 variables, 378/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 139/614 variables, 475/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/614 variables, 0/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1014/1628 variables, 860/1713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1628 variables, 666/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1628 variables, 0/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/1628 variables, 0/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1628/1628 variables, and 2379 constraints, problems are : Problem set: 0 solved, 2 unsolved in 571 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1335/1335 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 399/475 variables, 378/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 139/614 variables, 475/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/614 variables, 0/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1014/1628 variables, 860/1713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1628 variables, 666/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1628 variables, 2/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1628 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1628 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1628/1628 variables, and 2381 constraints, problems are : Problem set: 0 solved, 2 unsolved in 868 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1335/1335 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1470ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 30 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=15 )
Parikh walk visited 2 properties in 2 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 7 factoid took 723 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
[2024-06-01 05:37:03] [INFO ] Invariant cache hit.
[2024-06-01 05:37:05] [INFO ] [Real]Absence check using 0 positive and 1044 generalized place invariants in 1250 ms returned sat
[2024-06-01 05:37:13] [INFO ] [Real]Absence check using state equation in 8268 ms returned unknown
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 76 out of 1335 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1335/1335 places, 293/293 transitions.
Applied a total of 0 rules in 53 ms. Remains 1335 /1335 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-06-01 05:37:13] [INFO ] Invariant cache hit.
[2024-06-01 05:37:15] [INFO ] Implicit Places using invariants in 1283 ms returned []
[2024-06-01 05:37:15] [INFO ] Invariant cache hit.
[2024-06-01 05:37:20] [INFO ] Implicit Places using invariants and state equation in 5880 ms returned []
Implicit Place search using SMT with State Equation took 7163 ms to find 0 implicit places.
[2024-06-01 05:37:21] [INFO ] Redundant transitions in 42 ms returned []
Running 273 sub problems to find dead transitions.
[2024-06-01 05:37:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1315 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1315 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 19/1334 variables, 342/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 0/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 4 (OVERLAPS) 293/1627 variables, 1334/2378 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1627/1628 variables, and 2378 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1334/1335 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 273 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1315 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1315 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 19/1334 variables, 342/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 0/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 4 (OVERLAPS) 293/1627 variables, 1334/2378 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1627 variables, 273/2651 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1627/1628 variables, and 2651 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1334/1335 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 0/0 constraints]
After SMT, in 60367ms problems are : Problem set: 0 solved, 273 unsolved
Search for dead transitions found 0 dead transitions in 60373ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67646 ms. Remains : 1335/1335 places, 293/293 transitions.
Computed a total of 1335 stabilizing places and 293 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1335 transition count 293
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)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 7 factoid took 503 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (1763 resets) in 186 ms. (213 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (172 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (124 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
[2024-06-01 05:38:22] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 399/475 variables, 378/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 139/614 variables, 475/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/614 variables, 0/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1014/1628 variables, 860/1713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1628 variables, 666/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1628 variables, 0/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/1628 variables, 0/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1628/1628 variables, and 2379 constraints, problems are : Problem set: 0 solved, 2 unsolved in 594 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1335/1335 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 399/475 variables, 378/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 139/614 variables, 475/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/614 variables, 0/853 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1014/1628 variables, 860/1713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1628 variables, 666/2379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1628 variables, 2/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1628 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1628 variables, 0/2381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1628/1628 variables, and 2381 constraints, problems are : Problem set: 0 solved, 2 unsolved in 901 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1335/1335 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1507ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 32 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=10 )
Parikh walk visited 2 properties in 2 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 7 factoid took 636 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
[2024-06-01 05:38:24] [INFO ] Invariant cache hit.
[2024-06-01 05:38:26] [INFO ] [Real]Absence check using 0 positive and 1044 generalized place invariants in 1237 ms returned sat
[2024-06-01 05:38:34] [INFO ] [Real]Absence check using state equation in 8290 ms returned unknown
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 47 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 10721 reset in 371 ms.
Product exploration explored 100000 steps with 10782 reset in 349 ms.
Support contains 76 out of 1335 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1335/1335 places, 293/293 transitions.
Applied a total of 0 rules in 42 ms. Remains 1335 /1335 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-06-01 05:38:35] [INFO ] Invariant cache hit.
[2024-06-01 05:38:36] [INFO ] Implicit Places using invariants in 1350 ms returned []
[2024-06-01 05:38:36] [INFO ] Invariant cache hit.
[2024-06-01 05:38:42] [INFO ] Implicit Places using invariants and state equation in 5737 ms returned []
Implicit Place search using SMT with State Equation took 7088 ms to find 0 implicit places.
[2024-06-01 05:38:42] [INFO ] Redundant transitions in 21 ms returned []
Running 273 sub problems to find dead transitions.
[2024-06-01 05:38:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1315 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1315 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 19/1334 variables, 342/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 0/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 4 (OVERLAPS) 293/1627 variables, 1334/2378 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1627/1628 variables, and 2378 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30009 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1334/1335 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 273 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1315 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1315 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 2 (OVERLAPS) 19/1334 variables, 342/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1334 variables, 0/1044 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 4 (OVERLAPS) 293/1627 variables, 1334/2378 constraints. Problems are: Problem set: 0 solved, 273 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1627 variables, 273/2651 constraints. Problems are: Problem set: 0 solved, 273 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1627/1628 variables, and 2651 constraints, problems are : Problem set: 0 solved, 273 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1334/1335 constraints, PredecessorRefiner: 273/273 constraints, Known Traps: 0/0 constraints]
After SMT, in 60300ms problems are : Problem set: 0 solved, 273 unsolved
Search for dead transitions found 0 dead transitions in 60303ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67459 ms. Remains : 1335/1335 places, 293/293 transitions.
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-02 finished in 171286 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 20 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 1319 are kept as prefixes of interest. Removing 61 places using SCC suffix rule.4 ms
Discarding 61 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 1317 transition count 292
Applied a total of 3 rules in 82 ms. Remains 1317 /1380 variables (removed 63) and now considering 292/296 (removed 4) transitions.
// Phase 1: matrix 292 rows 1317 cols
[2024-06-01 05:39:43] [INFO ] Computed 1027 invariants in 8 ms
[2024-06-01 05:39:44] [INFO ] Implicit Places using invariants in 1239 ms returned []
[2024-06-01 05:39:44] [INFO ] Invariant cache hit.
[2024-06-01 05:39:49] [INFO ] Implicit Places using invariants and state equation in 5518 ms returned [914, 915, 1156, 1157, 1158, 1159, 1160, 1161, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1277, 1278, 1279, 1280, 1283]
Discarding 21 places :
Implicit Place search using SMT with State Equation took 6762 ms to find 21 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1296/1380 places, 292/296 transitions.
Applied a total of 0 rules in 46 ms. Remains 1296 /1296 variables (removed 0) and now considering 292/292 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 6890 ms. Remains : 1296/1380 places, 292/296 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-03
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-03 finished in 6947 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(X(G((p0||X(G((F(G(p1)) U p2)))))))))'
Support contains 59 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 1359 transition count 296
Applied a total of 21 rules in 42 ms. Remains 1359 /1380 variables (removed 21) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1359 cols
[2024-06-01 05:39:49] [INFO ] Computed 1064 invariants in 11 ms
[2024-06-01 05:39:51] [INFO ] Implicit Places using invariants in 1243 ms returned []
[2024-06-01 05:39:51] [INFO ] Invariant cache hit.
[2024-06-01 05:39:57] [INFO ] Implicit Places using invariants and state equation in 6356 ms returned [916, 917]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 7603 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1357/1380 places, 296/296 transitions.
Applied a total of 0 rules in 37 ms. Remains 1357 /1357 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 7682 ms. Remains : 1357/1380 places, 296/296 transitions.
Stuttering acceptance computed with spot in 458 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-04
Product exploration explored 100000 steps with 4416 reset in 285 ms.
Product exploration explored 100000 steps with 4421 reset in 284 ms.
Computed a total of 1357 stabilizing places and 296 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1357 transition count 296
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)...)
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (G p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 213 ms. Reduced automaton from 11 states, 22 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (1768 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (172 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2127531 steps, run timeout after 3001 ms. (steps per millisecond=708 ) properties seen :0 out of 1
Probabilistic random walk after 2127531 steps, saw 298317 distinct states, run finished after 3004 ms. (steps per millisecond=708 ) properties seen :0
// Phase 1: matrix 296 rows 1357 cols
[2024-06-01 05:40:02] [INFO ] Computed 1062 invariants in 17 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 60/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 312/392 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/392 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/392 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 520/912 variables, 441/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/912 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/941 variables, 342/1012 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/941 variables, 29/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/941 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 332/1273 variables, 324/1365 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1273 variables, 332/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1273 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 380/1653 variables, 380/2077 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1653 variables, 342/2419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1653 variables, 0/2419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1653 variables, 0/2419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1653/1653 variables, and 2419 constraints, problems are : Problem set: 0 solved, 1 unsolved in 514 ms.
Refiners :[Generalized P Invariants (flows): 1062/1062 constraints, State Equation: 1357/1357 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 60/80 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 312/392 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/392 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/392 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/392 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 520/912 variables, 441/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/912 variables, 0/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 29/941 variables, 342/1013 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/941 variables, 29/1042 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/941 variables, 0/1042 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 332/1273 variables, 324/1366 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1273 variables, 332/1698 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1273 variables, 0/1698 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 380/1653 variables, 380/2078 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1653 variables, 342/2420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1653 variables, 0/2420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1653 variables, 0/2420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1653/1653 variables, and 2420 constraints, problems are : Problem set: 0 solved, 1 unsolved in 684 ms.
Refiners :[Generalized P Invariants (flows): 1062/1062 constraints, State Equation: 1357/1357 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1241ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 27 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=27 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (G p1))]
False Knowledge obtained : [(F (NOT p2))]
Knowledge based reduction with 6 factoid took 257 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 62 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 64 ms :[(NOT p2), (NOT p2)]
Support contains 20 out of 1357 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1357/1357 places, 296/296 transitions.
Graph (complete) has 8708 edges and 1357 vertex of which 996 are kept as prefixes of interest. Removing 361 places using SCC suffix rule.2 ms
Discarding 361 places :
Also discarding 0 output transitions
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 19 place count 978 transition count 260
Iterating global reduction 0 with 18 rules applied. Total rules applied 37 place count 978 transition count 260
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 41 place count 976 transition count 258
Applied a total of 41 rules in 142 ms. Remains 976 /1357 variables (removed 381) and now considering 258/296 (removed 38) transitions.
// Phase 1: matrix 258 rows 976 cols
[2024-06-01 05:40:03] [INFO ] Computed 720 invariants in 10 ms
[2024-06-01 05:40:04] [INFO ] Implicit Places using invariants in 848 ms returned []
[2024-06-01 05:40:04] [INFO ] Invariant cache hit.
[2024-06-01 05:40:08] [INFO ] Implicit Places using invariants and state equation in 3531 ms returned []
Implicit Place search using SMT with State Equation took 4384 ms to find 0 implicit places.
[2024-06-01 05:40:08] [INFO ] Redundant transitions in 21 ms returned []
Running 238 sub problems to find dead transitions.
[2024-06-01 05:40:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/955 variables, 720/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/955 variables, 0/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 258/1213 variables, 955/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1213 variables, 0/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (OVERLAPS) 21/1234 variables, 21/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 6 (OVERLAPS) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1234/1234 variables, and 1696 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 238 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/955 variables, 720/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/955 variables, 0/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 258/1213 variables, 955/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1213 variables, 198/1873 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1213 variables, 0/1873 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (OVERLAPS) 21/1234 variables, 21/1894 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1234 variables, 40/1934 constraints. Problems are: Problem set: 0 solved, 238 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1234/1234 variables, and 1934 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints]
After SMT, in 60250ms problems are : Problem set: 0 solved, 238 unsolved
Search for dead transitions found 0 dead transitions in 60254ms
Starting structural reductions in SI_LTL mode, iteration 1 : 976/1357 places, 258/296 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64807 ms. Remains : 976/1357 places, 258/296 transitions.
Computed a total of 976 stabilizing places and 258 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 976 transition count 258
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)...)
Knowledge obtained : [p2, (X p2), (X (X p2)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 92 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 86 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (1763 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (172 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2243254 steps, run timeout after 3001 ms. (steps per millisecond=747 ) properties seen :0 out of 1
Probabilistic random walk after 2243254 steps, saw 313084 distinct states, run finished after 3001 ms. (steps per millisecond=747 ) properties seen :0
[2024-06-01 05:41:12] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 480/854 variables, 421/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/854 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/883 variables, 342/992 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/883 variables, 29/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 0/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 332/1215 variables, 324/1345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1215 variables, 332/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 0/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 19/1234 variables, 19/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1234/1234 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1 unsolved in 390 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 480/854 variables, 421/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/854 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 29/883 variables, 342/993 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 29/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/883 variables, 0/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 332/1215 variables, 324/1346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 332/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1215 variables, 0/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 19/1234 variables, 19/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1234/1234 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1 unsolved in 539 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 944ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 24 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=24 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [p2, (X p2), (X (X p2)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT p2))]
Knowledge based reduction with 4 factoid took 126 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 68 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 59 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 81 ms :[(NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 4420 reset in 227 ms.
Product exploration explored 100000 steps with 4421 reset in 243 ms.
Support contains 20 out of 976 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 976/976 places, 258/258 transitions.
Graph (complete) has 9067 edges and 976 vertex of which 936 are kept as prefixes of interest. Removing 40 places using SCC suffix rule.2 ms
Discarding 40 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 20 place count 917 transition count 218
Iterating global reduction 0 with 19 rules applied. Total rules applied 39 place count 917 transition count 218
Applied a total of 39 rules in 47 ms. Remains 917 /976 variables (removed 59) and now considering 218/258 (removed 40) transitions.
// Phase 1: matrix 218 rows 917 cols
[2024-06-01 05:41:13] [INFO ] Computed 702 invariants in 19 ms
[2024-06-01 05:41:14] [INFO ] Implicit Places using invariants in 900 ms returned []
[2024-06-01 05:41:14] [INFO ] Invariant cache hit.
[2024-06-01 05:41:16] [INFO ] Implicit Places using invariants and state equation in 2067 ms returned []
Implicit Place search using SMT with State Equation took 2970 ms to find 0 implicit places.
[2024-06-01 05:41:16] [INFO ] Redundant transitions in 21 ms returned []
Running 198 sub problems to find dead transitions.
[2024-06-01 05:41:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/916 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/916 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 218/1134 variables, 916/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1134 variables, 0/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (OVERLAPS) 1/1135 variables, 1/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1135 variables, 0/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/1135 variables, 0/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1135/1135 variables, and 1619 constraints, problems are : Problem set: 0 solved, 198 unsolved in 26351 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 917/917 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/916 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/916 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 218/1134 variables, 916/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1134 variables, 198/1816 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1134 variables, 0/1816 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/1135 variables, 1/1817 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1135 variables, 0/1817 constraints. Problems are: Problem set: 0 solved, 198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1135/1135 variables, and 1817 constraints, problems are : Problem set: 0 solved, 198 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 917/917 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 56510ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 56512ms
Starting structural reductions in SI_LTL mode, iteration 1 : 917/976 places, 218/258 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59555 ms. Remains : 917/976 places, 218/258 transitions.
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-04 finished in 143528 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(!p0))||(F(!p0)&&(p1||F(((p2&&X(F(p3)))||G(F(p3)))))))))'
Support contains 77 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 1359 transition count 296
Applied a total of 21 rules in 34 ms. Remains 1359 /1380 variables (removed 21) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1359 cols
[2024-06-01 05:42:13] [INFO ] Computed 1065 invariants in 20 ms
[2024-06-01 05:42:14] [INFO ] Implicit Places using invariants in 1343 ms returned []
[2024-06-01 05:42:14] [INFO ] Invariant cache hit.
[2024-06-01 05:42:18] [INFO ] Implicit Places using invariants and state equation in 3977 ms returned [917, 918]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 5323 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1357/1380 places, 296/296 transitions.
Applied a total of 0 rules in 29 ms. Remains 1357 /1357 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 5387 ms. Remains : 1357/1380 places, 296/296 transitions.
Stuttering acceptance computed with spot in 248 ms :[p0, (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3)), (AND p0 (NOT p3))]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-05
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 0 ms.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-05 finished in 5667 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 0 with 40 rules applied. Total rules applied 40 place count 1340 transition count 296
Applied a total of 40 rules in 33 ms. Remains 1340 /1380 variables (removed 40) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1340 cols
[2024-06-01 05:42:19] [INFO ] Computed 1045 invariants in 20 ms
[2024-06-01 05:42:20] [INFO ] Implicit Places using invariants in 1320 ms returned []
[2024-06-01 05:42:20] [INFO ] Invariant cache hit.
[2024-06-01 05:42:25] [INFO ] Implicit Places using invariants and state equation in 5259 ms returned [917, 918]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 6585 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1338/1380 places, 296/296 transitions.
Applied a total of 0 rules in 35 ms. Remains 1338 /1338 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6653 ms. Remains : 1338/1380 places, 296/296 transitions.
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-08
Product exploration explored 100000 steps with 33333 reset in 282 ms.
Product exploration explored 100000 steps with 33333 reset in 289 ms.
Computed a total of 1338 stabilizing places and 296 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1338 transition count 296
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)...)
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 11 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-08 finished in 7558 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 1319 are kept as prefixes of interest. Removing 61 places using SCC suffix rule.6 ms
Discarding 61 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 1316 transition count 291
Applied a total of 5 rules in 93 ms. Remains 1316 /1380 variables (removed 64) and now considering 291/296 (removed 5) transitions.
// Phase 1: matrix 291 rows 1316 cols
[2024-06-01 05:42:26] [INFO ] Computed 1027 invariants in 18 ms
[2024-06-01 05:42:28] [INFO ] Implicit Places using invariants in 1340 ms returned []
[2024-06-01 05:42:28] [INFO ] Invariant cache hit.
[2024-06-01 05:42:30] [INFO ] Implicit Places using invariants and state equation in 2115 ms returned [913, 914, 1155, 1156, 1157, 1158, 1159, 1160, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1276, 1277, 1278, 1279, 1282]
Discarding 21 places :
Implicit Place search using SMT with State Equation took 3457 ms to find 21 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1295/1380 places, 291/296 transitions.
Applied a total of 0 rules in 103 ms. Remains 1295 /1295 variables (removed 0) and now considering 291/291 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3656 ms. Remains : 1295/1380 places, 291/296 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-10
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 0 ms.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-10 finished in 3702 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 958 are kept as prefixes of interest. Removing 422 places using SCC suffix rule.4 ms
Discarding 422 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 37 place count 921 transition count 221
Iterating global reduction 0 with 36 rules applied. Total rules applied 73 place count 921 transition count 221
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 77 place count 919 transition count 219
Applied a total of 77 rules in 129 ms. Remains 919 /1380 variables (removed 461) and now considering 219/296 (removed 77) transitions.
// Phase 1: matrix 219 rows 919 cols
[2024-06-01 05:42:30] [INFO ] Computed 703 invariants in 13 ms
[2024-06-01 05:42:31] [INFO ] Implicit Places using invariants in 781 ms returned []
[2024-06-01 05:42:31] [INFO ] Invariant cache hit.
[2024-06-01 05:42:33] [INFO ] Implicit Places using invariants and state equation in 2476 ms returned [516, 517, 758, 759, 760, 761, 762, 763, 766, 767, 768, 769, 770, 771, 772, 773, 879, 880, 881, 882, 885]
Discarding 21 places :
Implicit Place search using SMT with State Equation took 3259 ms to find 21 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 898/1380 places, 219/296 transitions.
Applied a total of 0 rules in 27 ms. Remains 898 /898 variables (removed 0) and now considering 219/219 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3415 ms. Remains : 898/1380 places, 219/296 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-11
Product exploration explored 100000 steps with 4217 reset in 235 ms.
Product exploration explored 100000 steps with 4214 reset in 235 ms.
Computed a total of 898 stabilizing places and 219 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 898 transition count 219
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)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 17 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-11 finished in 4143 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 1320 are kept as prefixes of interest. Removing 60 places using SCC suffix rule.4 ms
Discarding 60 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 1317 transition count 291
Applied a total of 5 rules in 74 ms. Remains 1317 /1380 variables (removed 63) and now considering 291/296 (removed 5) transitions.
// Phase 1: matrix 291 rows 1317 cols
[2024-06-01 05:42:34] [INFO ] Computed 1028 invariants in 16 ms
[2024-06-01 05:42:35] [INFO ] Implicit Places using invariants in 1352 ms returned []
[2024-06-01 05:42:35] [INFO ] Invariant cache hit.
[2024-06-01 05:42:40] [INFO ] Implicit Places using invariants and state equation in 4192 ms returned [914, 915, 1156, 1157, 1158, 1159, 1160, 1161, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1277, 1278, 1279, 1280, 1283]
Discarding 21 places :
Implicit Place search using SMT with State Equation took 5547 ms to find 21 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1296/1380 places, 291/296 transitions.
Applied a total of 0 rules in 41 ms. Remains 1296 /1296 variables (removed 0) and now considering 291/291 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5662 ms. Remains : 1296/1380 places, 291/296 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-12
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-12 finished in 5714 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 1 out of 1380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 972 are kept as prefixes of interest. Removing 408 places using SCC suffix rule.2 ms
Discarding 408 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 971 transition count 282
Discarding 30 places :
Symmetric choice reduction at 1 with 30 rule applications. Total rules 37 place count 941 transition count 222
Iterating global reduction 1 with 30 rules applied. Total rules applied 67 place count 941 transition count 222
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 71 place count 939 transition count 220
Applied a total of 71 rules in 70 ms. Remains 939 /1380 variables (removed 441) and now considering 220/296 (removed 76) transitions.
// Phase 1: matrix 220 rows 939 cols
[2024-06-01 05:42:40] [INFO ] Computed 721 invariants in 11 ms
[2024-06-01 05:42:41] [INFO ] Implicit Places using invariants in 822 ms returned []
[2024-06-01 05:42:41] [INFO ] Invariant cache hit.
[2024-06-01 05:42:42] [INFO ] Implicit Places using invariants and state equation in 1687 ms returned [516, 517, 758, 759, 760, 761, 762, 763, 766, 767, 768, 769, 770, 771, 772, 773, 899, 900, 901, 902, 905]
Discarding 21 places :
Implicit Place search using SMT with State Equation took 2511 ms to find 21 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 918/1380 places, 220/296 transitions.
Applied a total of 0 rules in 26 ms. Remains 918 /918 variables (removed 0) and now considering 220/220 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2608 ms. Remains : 918/1380 places, 220/296 transitions.
Stuttering acceptance computed with spot in 74 ms :[p0, p0]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-14
Product exploration explored 100000 steps with 4152 reset in 294 ms.
Product exploration explored 100000 steps with 4151 reset in 239 ms.
Computed a total of 918 stabilizing places and 220 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 918 transition count 220
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)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 94 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 66 ms :[p0, p0]
RANDOM walk for 40003 steps (1548 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (72 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2833829 steps, run timeout after 3001 ms. (steps per millisecond=944 ) properties seen :0 out of 1
Probabilistic random walk after 2833829 steps, saw 390327 distinct states, run finished after 3001 ms. (steps per millisecond=944 ) properties seen :0
// Phase 1: matrix 220 rows 918 cols
[2024-06-01 05:42:46] [INFO ] Computed 702 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/62 variables, 18/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 19/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 137/199 variables, 58/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/218 variables, 18/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 19/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 538/756 variables, 420/573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/756 variables, 0/573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 29/785 variables, 342/915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/785 variables, 29/944 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/785 variables, 0/944 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 332/1117 variables, 324/1268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1117 variables, 332/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1117 variables, 0/1600 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 21/1138 variables, 20/1620 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1138 variables, 0/1620 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1138 variables, 0/1620 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1138/1138 variables, and 1620 constraints, problems are : Problem set: 0 solved, 1 unsolved in 454 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 918/918 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 41/43 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/43 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 19/62 variables, 18/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/62 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 137/199 variables, 58/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/199 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 19/218 variables, 18/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 19/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/218 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 538/756 variables, 420/574 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/756 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 29/785 variables, 342/916 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/785 variables, 29/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/785 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 332/1117 variables, 324/1269 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1117 variables, 332/1601 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1117 variables, 0/1601 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 21/1138 variables, 20/1621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1138 variables, 0/1621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1138 variables, 0/1621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1138/1138 variables, and 1621 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 918/918 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 868ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 82 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=41 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 136 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 81 ms :[p0, p0]
Stuttering acceptance computed with spot in 68 ms :[p0, p0]
Support contains 1 out of 918 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 918/918 places, 220/220 transitions.
Applied a total of 0 rules in 27 ms. Remains 918 /918 variables (removed 0) and now considering 220/220 (removed 0) transitions.
[2024-06-01 05:42:48] [INFO ] Invariant cache hit.
[2024-06-01 05:42:48] [INFO ] Implicit Places using invariants in 914 ms returned []
[2024-06-01 05:42:48] [INFO ] Invariant cache hit.
[2024-06-01 05:42:50] [INFO ] Implicit Places using invariants and state equation in 1712 ms returned []
Implicit Place search using SMT with State Equation took 2627 ms to find 0 implicit places.
[2024-06-01 05:42:50] [INFO ] Redundant transitions in 28 ms returned [183]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 179 sub problems to find dead transitions.
// Phase 1: matrix 219 rows 918 cols
[2024-06-01 05:42:50] [INFO ] Computed 702 invariants in 7 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 219/1117 variables, 898/1600 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1117 variables, 0/1600 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 20/1137 variables, 20/1620 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1137 variables, 0/1620 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (OVERLAPS) 0/1137 variables, 0/1620 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1137/1137 variables, and 1620 constraints, problems are : Problem set: 0 solved, 179 unsolved in 23167 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 918/918 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/898 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/898 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 219/1117 variables, 898/1600 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1117 variables, 177/1777 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1117 variables, 0/1777 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (OVERLAPS) 20/1137 variables, 20/1797 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1137 variables, 2/1799 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1137 variables, 0/1799 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1137/1137 variables, and 1799 constraints, problems are : Problem set: 0 solved, 179 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 918/918 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
After SMT, in 53333ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 53335ms
Starting structural reductions in SI_LTL mode, iteration 1 : 918/918 places, 219/220 transitions.
Graph (complete) has 8857 edges and 918 vertex of which 195 are kept as prefixes of interest. Removing 723 places using SCC suffix rule.3 ms
Discarding 723 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 19 place count 177 transition count 163
Iterating global reduction 0 with 18 rules applied. Total rules applied 37 place count 177 transition count 163
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 55 place count 159 transition count 127
Iterating global reduction 0 with 18 rules applied. Total rules applied 73 place count 159 transition count 127
Applied a total of 73 rules in 27 ms. Remains 159 /918 variables (removed 759) and now considering 127/219 (removed 92) transitions.
// Phase 1: matrix 127 rows 159 cols
[2024-06-01 05:43:44] [INFO ] Computed 36 invariants in 0 ms
[2024-06-01 05:43:44] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-06-01 05:43:44] [INFO ] Invariant cache hit.
[2024-06-01 05:43:44] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 159/918 places, 127/220 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 56252 ms. Remains : 159/918 places, 127/220 transitions.
Computed a total of 159 stabilizing places and 127 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 159 transition count 127
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)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 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 72 ms :[p0, p0]
RANDOM walk for 40000 steps (1544 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (74 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3182097 steps, run timeout after 3001 ms. (steps per millisecond=1060 ) properties seen :0 out of 1
Probabilistic random walk after 3182097 steps, saw 428892 distinct states, run finished after 3001 ms. (steps per millisecond=1060 ) properties seen :0
[2024-06-01 05:43:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/62 variables, 18/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 19/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 83/145 variables, 40/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 19/164 variables, 18/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/164 variables, 19/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 103/267 variables, 41/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/267 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 19/286 variables, 19/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/286 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/286 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 195 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Generalized P Invariants (flows): 36/36 constraints, State Equation: 159/159 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 41/43 variables, 20/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/43 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 19/62 variables, 18/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/62 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 83/145 variables, 40/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/145 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 19/164 variables, 18/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/164 variables, 19/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/164 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 103/267 variables, 41/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/267 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 19/286 variables, 19/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/286 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/286 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 286/286 variables, and 196 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[Generalized P Invariants (flows): 36/36 constraints, State Equation: 159/159 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 184ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 70 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=70 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 131 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 79 ms :[p0, p0]
Stuttering acceptance computed with spot in 62 ms :[p0, p0]
Stuttering acceptance computed with spot in 79 ms :[p0, p0]
Product exploration explored 100000 steps with 4155 reset in 224 ms.
Product exploration explored 100000 steps with 4163 reset in 237 ms.
Support contains 1 out of 159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 159/159 places, 127/127 transitions.
Applied a total of 0 rules in 7 ms. Remains 159 /159 variables (removed 0) and now considering 127/127 (removed 0) transitions.
[2024-06-01 05:43:48] [INFO ] Invariant cache hit.
[2024-06-01 05:43:48] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-06-01 05:43:48] [INFO ] Invariant cache hit.
[2024-06-01 05:43:48] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2024-06-01 05:43:48] [INFO ] Redundant transitions in 20 ms returned [122]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 86 sub problems to find dead transitions.
// Phase 1: matrix 126 rows 159 cols
[2024-06-01 05:43:48] [INFO ] Computed 36 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/139 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/139 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (OVERLAPS) 126/265 variables, 139/175 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (OVERLAPS) 20/285 variables, 20/195 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 0/285 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 195 constraints, problems are : Problem set: 0 solved, 86 unsolved in 2299 ms.
Refiners :[Generalized P Invariants (flows): 36/36 constraints, State Equation: 159/159 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/139 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/139 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (OVERLAPS) 126/265 variables, 139/175 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 84/259 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (OVERLAPS) 20/285 variables, 20/279 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 2/281 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (OVERLAPS) 0/285 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 285/285 variables, and 281 constraints, problems are : Problem set: 0 solved, 86 unsolved in 3819 ms.
Refiners :[Generalized P Invariants (flows): 36/36 constraints, State Equation: 159/159 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 0/0 constraints]
After SMT, in 6157ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 6159ms
Starting structural reductions in SI_LTL mode, iteration 1 : 159/159 places, 126/127 transitions.
Graph (complete) has 1011 edges and 159 vertex of which 158 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 15 ms. Remains 158 /159 variables (removed 1) and now considering 125/126 (removed 1) transitions.
// Phase 1: matrix 125 rows 158 cols
[2024-06-01 05:43:54] [INFO ] Computed 36 invariants in 0 ms
[2024-06-01 05:43:55] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-06-01 05:43:55] [INFO ] Invariant cache hit.
[2024-06-01 05:43:55] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 158/159 places, 125/127 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 6634 ms. Remains : 158/159 places, 125/127 transitions.
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-14 finished in 74973 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U X(p1))))'
Support contains 4 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 0 with 40 rules applied. Total rules applied 40 place count 1340 transition count 296
Applied a total of 40 rules in 34 ms. Remains 1340 /1380 variables (removed 40) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 1340 cols
[2024-06-01 05:43:55] [INFO ] Computed 1046 invariants in 7 ms
[2024-06-01 05:43:56] [INFO ] Implicit Places using invariants in 1308 ms returned []
[2024-06-01 05:43:56] [INFO ] Invariant cache hit.
[2024-06-01 05:43:59] [INFO ] Implicit Places using invariants and state equation in 3373 ms returned [916, 917]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 4683 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1338/1380 places, 296/296 transitions.
Applied a total of 0 rules in 35 ms. Remains 1338 /1338 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4752 ms. Remains : 1338/1380 places, 296/296 transitions.
Stuttering acceptance computed with spot in 141 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-15
Product exploration explored 100000 steps with 10787 reset in 239 ms.
Product exploration explored 100000 steps with 10713 reset in 243 ms.
Computed a total of 1338 stabilizing places and 296 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1338 transition count 296
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)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (G p1))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 249 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
RANDOM walk for 40000 steps (1763 resets) in 129 ms. (307 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (172 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (126 resets) in 60 ms. (655 steps per ms) remains 2/2 properties
// Phase 1: matrix 296 rows 1338 cols
[2024-06-01 05:44:01] [INFO ] Computed 1044 invariants in 7 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/41 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 24/65 variables, 41/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 199/264 variables, 79/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 219/483 variables, 200/338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/483 variables, 19/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/483 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 142/625 variables, 142/499 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/625 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 649/1274 variables, 839/1338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1274 variables, 24/1362 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1274 variables, 0/1362 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 70/1344 variables, 388/1750 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1344 variables, 70/1820 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1344 variables, 0/1820 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 272/1616 variables, 272/2092 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1616 variables, 272/2364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1616 variables, 0/2364 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 18/1634 variables, 18/2382 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1634 variables, 0/2382 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/1634 variables, 0/2382 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1634/1634 variables, and 2382 constraints, problems are : Problem set: 0 solved, 2 unsolved in 704 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1338/1338 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/41 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 24/65 variables, 41/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 199/264 variables, 79/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 219/483 variables, 200/340 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/483 variables, 19/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/483 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 142/625 variables, 142/501 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/625 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf1 is UNSAT
At refinement iteration 15 (OVERLAPS) 649/1274 variables, 839/1340 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1274 variables, 24/1364 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1274 variables, 0/1364 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 70/1344 variables, 388/1752 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1344 variables, 70/1822 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1344 variables, 0/1822 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 272/1616 variables, 272/2094 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1616 variables, 272/2366 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1616 variables, 0/2366 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 18/1634 variables, 18/2384 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1634 variables, 0/2384 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1634 variables, 0/2384 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1634/1634 variables, and 2384 constraints, problems are : Problem set: 1 solved, 1 unsolved in 629 ms.
Refiners :[Generalized P Invariants (flows): 1044/1044 constraints, State Equation: 1338/1338 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1349ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 115 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=38 )
Parikh walk visited 1 properties in 2 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (G p1)), (G (OR p1 p0))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1))), (F p1), (F (NOT (AND (NOT p1) p0))), (F (NOT p0))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 142 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-15 finished in 7616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G(p1))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(X(G((p0||X(G((F(G(p1)) U p2)))))))))'
Found a Lengthening insensitive property : QuasiCertifProtocol-PT-18-LTLCardinality-04
Stuttering acceptance computed with spot in 453 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Support contains 59 out of 1380 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1380/1380 places, 296/296 transitions.
Graph (complete) has 9153 edges and 1380 vertex of which 998 are kept as prefixes of interest. Removing 382 places using SCC suffix rule.5 ms
Discarding 382 places :
Also discarding 0 output transitions
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 19 place count 980 transition count 260
Iterating global reduction 0 with 18 rules applied. Total rules applied 37 place count 980 transition count 260
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 41 place count 978 transition count 258
Applied a total of 41 rules in 63 ms. Remains 978 /1380 variables (removed 402) and now considering 258/296 (removed 38) transitions.
// Phase 1: matrix 258 rows 978 cols
[2024-06-01 05:44:03] [INFO ] Computed 721 invariants in 5 ms
[2024-06-01 05:44:04] [INFO ] Implicit Places using invariants in 836 ms returned []
[2024-06-01 05:44:04] [INFO ] Invariant cache hit.
[2024-06-01 05:44:07] [INFO ] Implicit Places using invariants and state equation in 3114 ms returned [535, 536]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3951 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 976/1380 places, 258/296 transitions.
Applied a total of 0 rules in 22 ms. Remains 976 /976 variables (removed 0) and now considering 258/258 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 4036 ms. Remains : 976/1380 places, 258/296 transitions.
Running random walk in product with property : QuasiCertifProtocol-PT-18-LTLCardinality-04
Product exploration explored 100000 steps with 4419 reset in 244 ms.
Product exploration explored 100000 steps with 4417 reset in 265 ms.
Computed a total of 976 stabilizing places and 258 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 976 transition count 258
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)...)
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (G p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 200 ms. Reduced automaton from 11 states, 22 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (1767 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (172 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2247837 steps, run timeout after 3001 ms. (steps per millisecond=749 ) properties seen :0 out of 1
Probabilistic random walk after 2247837 steps, saw 313863 distinct states, run finished after 3001 ms. (steps per millisecond=749 ) properties seen :0
// Phase 1: matrix 258 rows 976 cols
[2024-06-01 05:44:11] [INFO ] Computed 720 invariants in 12 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 480/854 variables, 421/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/854 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/883 variables, 342/992 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/883 variables, 29/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 0/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 332/1215 variables, 324/1345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1215 variables, 332/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 0/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 19/1234 variables, 19/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1234/1234 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 480/854 variables, 421/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/854 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 29/883 variables, 342/993 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 29/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/883 variables, 0/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 332/1215 variables, 324/1346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 332/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1215 variables, 0/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 19/1234 variables, 19/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1234/1234 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1 unsolved in 542 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 972ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=23 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (G p1))]
False Knowledge obtained : [(F (NOT p2))]
Knowledge based reduction with 6 factoid took 258 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 65 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p2), (NOT p2)]
Support contains 20 out of 976 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 976/976 places, 258/258 transitions.
Applied a total of 0 rules in 27 ms. Remains 976 /976 variables (removed 0) and now considering 258/258 (removed 0) transitions.
[2024-06-01 05:44:13] [INFO ] Invariant cache hit.
[2024-06-01 05:44:13] [INFO ] Implicit Places using invariants in 826 ms returned []
[2024-06-01 05:44:13] [INFO ] Invariant cache hit.
[2024-06-01 05:44:17] [INFO ] Implicit Places using invariants and state equation in 3451 ms returned []
Implicit Place search using SMT with State Equation took 4280 ms to find 0 implicit places.
[2024-06-01 05:44:17] [INFO ] Redundant transitions in 33 ms returned []
Running 238 sub problems to find dead transitions.
[2024-06-01 05:44:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/955 variables, 720/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/955 variables, 0/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 258/1213 variables, 955/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1213 variables, 0/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (OVERLAPS) 21/1234 variables, 21/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 6 (OVERLAPS) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 238 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1234/1234 variables, and 1696 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 238 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/955 variables, 720/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/955 variables, 0/720 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 2 (OVERLAPS) 258/1213 variables, 955/1675 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1213 variables, 198/1873 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1213 variables, 0/1873 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 5 (OVERLAPS) 21/1234 variables, 21/1894 constraints. Problems are: Problem set: 0 solved, 238 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1234 variables, 40/1934 constraints. Problems are: Problem set: 0 solved, 238 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1234/1234 variables, and 1934 constraints, problems are : Problem set: 0 solved, 238 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 238/238 constraints, Known Traps: 0/0 constraints]
After SMT, in 60206ms problems are : Problem set: 0 solved, 238 unsolved
Search for dead transitions found 0 dead transitions in 60208ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 64553 ms. Remains : 976/976 places, 258/258 transitions.
Computed a total of 976 stabilizing places and 258 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 976 transition count 258
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)...)
Knowledge obtained : [p2, (X p2), (X (X p2)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 101 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 55 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (1769 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (172 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2247611 steps, run timeout after 3001 ms. (steps per millisecond=748 ) properties seen :0 out of 1
Probabilistic random walk after 2247611 steps, saw 313816 distinct states, run finished after 3001 ms. (steps per millisecond=748 ) properties seen :0
[2024-06-01 05:45:20] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 480/854 variables, 421/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/854 variables, 0/650 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/883 variables, 342/992 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/883 variables, 29/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 0/1021 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 332/1215 variables, 324/1345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1215 variables, 332/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 0/1677 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 19/1234 variables, 19/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1234 variables, 0/1696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1234/1234 variables, and 1696 constraints, problems are : Problem set: 0 solved, 1 unsolved in 382 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 61/81 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 293/374 variables, 155/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 54/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 480/854 variables, 421/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/854 variables, 0/651 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 29/883 variables, 342/993 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/883 variables, 29/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/883 variables, 0/1022 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 332/1215 variables, 324/1346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1215 variables, 332/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1215 variables, 0/1678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 19/1234 variables, 19/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1234 variables, 0/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1234/1234 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1 unsolved in 538 ms.
Refiners :[Generalized P Invariants (flows): 720/720 constraints, State Equation: 976/976 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 945ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=23 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [p2, (X p2), (X (X p2)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT p2))]
Knowledge based reduction with 4 factoid took 109 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 74 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 84 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 81 ms :[(NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 4420 reset in 230 ms.
Product exploration explored 100000 steps with 4414 reset in 241 ms.
Support contains 20 out of 976 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 976/976 places, 258/258 transitions.
Graph (complete) has 9067 edges and 976 vertex of which 936 are kept as prefixes of interest. Removing 40 places using SCC suffix rule.1 ms
Discarding 40 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 20 place count 917 transition count 218
Iterating global reduction 0 with 19 rules applied. Total rules applied 39 place count 917 transition count 218
Applied a total of 39 rules in 38 ms. Remains 917 /976 variables (removed 59) and now considering 218/258 (removed 40) transitions.
// Phase 1: matrix 218 rows 917 cols
[2024-06-01 05:45:22] [INFO ] Computed 702 invariants in 12 ms
[2024-06-01 05:45:23] [INFO ] Implicit Places using invariants in 891 ms returned []
[2024-06-01 05:45:23] [INFO ] Invariant cache hit.
[2024-06-01 05:45:25] [INFO ] Implicit Places using invariants and state equation in 2097 ms returned []
Implicit Place search using SMT with State Equation took 2990 ms to find 0 implicit places.
[2024-06-01 05:45:25] [INFO ] Redundant transitions in 21 ms returned []
Running 198 sub problems to find dead transitions.
[2024-06-01 05:45:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/916 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/916 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 218/1134 variables, 916/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1134 variables, 0/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (OVERLAPS) 1/1135 variables, 1/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1135 variables, 0/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 0/1135 variables, 0/1619 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1135/1135 variables, and 1619 constraints, problems are : Problem set: 0 solved, 198 unsolved in 26497 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 917/917 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/916 variables, 702/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/916 variables, 0/702 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 218/1134 variables, 916/1618 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1134 variables, 198/1816 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1134 variables, 0/1816 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/1135 variables, 1/1817 constraints. Problems are: Problem set: 0 solved, 198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1135/1135 variables, and 1817 constraints, problems are : Problem set: 0 solved, 198 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 702/702 constraints, State Equation: 917/917 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 56649ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 56652ms
Starting structural reductions in SI_LTL mode, iteration 1 : 917/976 places, 218/258 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59711 ms. Remains : 917/976 places, 218/258 transitions.
Treatment of property QuasiCertifProtocol-PT-18-LTLCardinality-04 finished in 139530 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
[2024-06-01 05:46:22] [INFO ] Flatten gal took : 43 ms
[2024-06-01 05:46:22] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-06-01 05:46:22] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1380 places, 296 transitions and 2988 arcs took 9 ms.
Total runtime 633416 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA QuasiCertifProtocol-PT-18-LTLCardinality-02 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
Could not compute solution for formula : QuasiCertifProtocol-PT-18-LTLCardinality-04
Could not compute solution for formula : QuasiCertifProtocol-PT-18-LTLCardinality-14

BK_STOP 1717220899461

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name QuasiCertifProtocol-PT-18-LTLCardinality-02
ltl formula formula --ltl=/tmp/1580/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1380 places, 296 transitions and 2988 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.030 real 0.010 user 0.010 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1580/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1580/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1580/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1580/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): There are 1340 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1381, there are 304 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~12 levels ~10000 states ~22472 transitions
pnml2lts-mc( 0/ 4): ~12 levels ~20000 states ~48680 transitions
pnml2lts-mc( 1/ 4): ~12 levels ~40000 states ~106152 transitions
pnml2lts-mc( 2/ 4): ~12 levels ~80000 states ~250260 transitions
pnml2lts-mc( 1/ 4): ~12 levels ~160000 states ~541576 transitions
pnml2lts-mc( 2/ 4): ~12 levels ~320000 states ~1202364 transitions
pnml2lts-mc( 2/ 4): ~12 levels ~640000 states ~2824232 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 709044
pnml2lts-mc( 0/ 4): unique states count: 709044
pnml2lts-mc( 0/ 4): unique transitions count: 3306780
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 2597920
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 709139
pnml2lts-mc( 0/ 4): - cum. max stack depth: 48
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 709139 states 3307824 transitions, fanout: 4.665
pnml2lts-mc( 0/ 4): Total exploration time 13.670 sec (13.670 sec minimum, 13.670 sec on average)
pnml2lts-mc( 0/ 4): States per second: 51876, Transitions per second: 241977
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 27.2MB, 40.2 B/state, compr.: 0.7%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 2.0%/34.0%
pnml2lts-mc( 0/ 4): Stored 299 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 27.2MB (~256.0MB paged-in)
ltl formula name QuasiCertifProtocol-PT-18-LTLCardinality-04
ltl formula formula --ltl=/tmp/1580/ltl_1_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1380 places, 296 transitions and 2988 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.030 real 0.010 user 0.010 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1580/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1580/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1580/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1580/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 12 states
pnml2lts-mc( 0/ 4): There are 1340 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1381, there are 320 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~23 levels ~10000 states ~44332 transitions
pnml2lts-mc( 3/ 4): ~26 levels ~20000 states ~88260 transitions
pnml2lts-mc( 3/ 4): ~26 levels ~40000 states ~188344 transitions
pnml2lts-mc( 3/ 4): ~27 levels ~80000 states ~386376 transitions
pnml2lts-mc( 3/ 4): ~27 levels ~160000 states ~836184 transitions
pnml2lts-mc( 2/ 4): ~24 levels ~320000 states ~1870736 transitions
pnml2lts-mc( 3/ 4): ~27 levels ~640000 states ~3782160 transitions
pnml2lts-mc( 3/ 4): ~27 levels ~1280000 states ~8327060 transitions
pnml2lts-mc( 1/ 4): ~24 levels ~2560000 states ~17418040 transitions
pnml2lts-mc( 0/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 3244702
pnml2lts-mc( 0/ 4): unique states count: 3244765
pnml2lts-mc( 0/ 4): unique transitions count: 22482553
pnml2lts-mc( 0/ 4): - self-loop count: 8488
pnml2lts-mc( 0/ 4): - claim dead count: 19228278
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 3244768
pnml2lts-mc( 0/ 4): - cum. max stack depth: 100
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 3244768 states 22482614 transitions, fanout: 6.929
pnml2lts-mc( 0/ 4): Total exploration time 51.420 sec (51.360 sec minimum, 51.382 sec on average)
pnml2lts-mc( 0/ 4): States per second: 63103, Transitions per second: 437235
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 88.8MB, 28.7 B/state, compr.: 0.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 9.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 299 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 88.8MB (~256.0MB paged-in)
ltl formula name QuasiCertifProtocol-PT-18-LTLCardinality-14
ltl formula formula --ltl=/tmp/1580/ltl_2_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1380 places, 296 transitions and 2988 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.040 real 0.010 user 0.010 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1580/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1580/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1580/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1580/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1341 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1381, there are 299 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~23 levels ~10000 states ~44544 transitions
pnml2lts-mc( 0/ 4): ~23 levels ~20000 states ~97924 transitions
pnml2lts-mc( 1/ 4): ~23 levels ~40000 states ~197560 transitions
pnml2lts-mc( 2/ 4): ~25 levels ~80000 states ~419628 transitions
pnml2lts-mc( 0/ 4): ~24 levels ~160000 states ~907376 transitions
pnml2lts-mc( 1/ 4): ~23 levels ~320000 states ~1898460 transitions
pnml2lts-mc( 1/ 4): ~23 levels ~640000 states ~3918776 transitions
pnml2lts-mc( 2/ 4): ~25 levels ~1280000 states ~8345908 transitions
pnml2lts-mc( 3/ 4): ~25 levels ~2560000 states ~17267932 transitions
pnml2lts-mc( 2/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 3263648
pnml2lts-mc( 0/ 4): unique states count: 3263723
pnml2lts-mc( 0/ 4): unique transitions count: 22680812
pnml2lts-mc( 0/ 4): - self-loop count: 4951
pnml2lts-mc( 0/ 4): - claim dead count: 19411198
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 3263726
pnml2lts-mc( 0/ 4): - cum. max stack depth: 99
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 3263726 states 22680866 transitions, fanout: 6.949
pnml2lts-mc( 0/ 4): Total exploration time 49.880 sec (49.800 sec minimum, 49.833 sec on average)
pnml2lts-mc( 0/ 4): States per second: 65432, Transitions per second: 454709
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 88.9MB, 28.6 B/state, compr.: 0.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 9.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 299 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 88.9MB (~256.0MB paged-in)

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="QuasiCertifProtocol-PT-18"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is QuasiCertifProtocol-PT-18, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r520-tall-171662337800083"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-PT-18.tgz
mv QuasiCertifProtocol-PT-18 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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