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.r355-tall-171683758500324.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 greatspnxred
Input is ShieldIIPt-PT-050A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683758500324
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 9.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Apr 23 07:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 23:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Apr 12 23:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 12 22:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Apr 12 22:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 265K 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 ShieldIIPt-PT-050A-LTLFireability-00
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-01
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-02
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-03
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-04
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-05
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-06
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-07
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-08
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-09
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-10
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-11
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-12
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-13
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-14
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716944437116

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-050A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 01:00:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 01:00:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 01:00:38] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2024-05-29 01:00:38] [INFO ] Transformed 953 places.
[2024-05-29 01:00:38] [INFO ] Transformed 703 transitions.
[2024-05-29 01:00:38] [INFO ] Found NUPN structural information;
[2024-05-29 01:00:38] [INFO ] Parsed PT model containing 953 places and 703 transitions and 3006 arcs in 274 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldIIPt-PT-050A-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 50 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 92 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2024-05-29 01:00:38] [INFO ] Computed 451 invariants in 32 ms
[2024-05-29 01:00:39] [INFO ] Implicit Places using invariants in 794 ms returned []
[2024-05-29 01:00:39] [INFO ] Invariant cache hit.
[2024-05-29 01:00:40] [INFO ] Implicit Places using invariants and state equation in 989 ms returned []
Implicit Place search using SMT with State Equation took 1814 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:00:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30034 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30032 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60411ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60435ms
Finished structural reductions in LTL mode , in 1 iterations and 62367 ms. Remains : 953/953 places, 702/702 transitions.
Support contains 50 out of 953 places after structural reductions.
[2024-05-29 01:01:41] [INFO ] Flatten gal took : 167 ms
[2024-05-29 01:01:41] [INFO ] Flatten gal took : 69 ms
[2024-05-29 01:01:41] [INFO ] Input system was already deterministic with 702 transitions.
Support contains 48 out of 953 places (down from 50) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 28 to 26
RANDOM walk for 40000 steps (8 resets) in 2484 ms. (16 steps per ms) remains 15/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 63 ms. (62 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 78 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
[2024-05-29 01:01:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 40/71 variables, 32/63 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 40/103 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 882/953 variables, 419/522 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 882/1404 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1655/1655 variables, and 2357 constraints, problems are : Problem set: 0 solved, 15 unsolved in 1680 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 40/71 variables, 32/63 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 40/103 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 882/953 variables, 419/522 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 882/1404 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 15/2372 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1655 variables, 0/2372 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 0/1655 variables, 0/2372 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 2372 constraints, problems are : Problem set: 0 solved, 15 unsolved in 2896 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints]
After SMT, in 4594ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 14 different solutions.
Parikh walk visited 11 properties in 36100 ms.
Support contains 10 out of 953 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Partial Free-agglomeration rule applied 98 times.
Drop transitions (Partial Free agglomeration) removed 98 transitions
Iterating global reduction 0 with 98 rules applied. Total rules applied 102 place count 951 transition count 700
Applied a total of 102 rules in 207 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208 ms. Remains : 951/953 places, 700/702 transitions.
RANDOM walk for 40000 steps (8 resets) in 813 ms. (49 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 356 ms. (112 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 393 ms. (101 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 307 ms. (129 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 255 ms. (156 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 32869 steps, run visited all 4 properties in 816 ms. (steps per millisecond=40 )
Probabilistic random walk after 32869 steps, saw 31831 distinct states, run finished after 821 ms. (steps per millisecond=40 ) properties seen :4
FORMULA ShieldIIPt-PT-050A-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
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 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 104 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:02:25] [INFO ] Computed 451 invariants in 4 ms
[2024-05-29 01:02:26] [INFO ] Implicit Places using invariants in 515 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 521 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 43 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:02:26] [INFO ] Computed 449 invariants in 4 ms
[2024-05-29 01:02:27] [INFO ] Implicit Places using invariants in 510 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 513 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 48 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:02:27] [INFO ] Computed 448 invariants in 6 ms
[2024-05-29 01:02:27] [INFO ] Implicit Places using invariants in 503 ms returned []
[2024-05-29 01:02:27] [INFO ] Invariant cache hit.
[2024-05-29 01:02:28] [INFO ] Implicit Places using invariants and state equation in 900 ms returned []
Implicit Place search using SMT with State Equation took 1406 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2635 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 901 ms.
Product exploration explored 100000 steps with 0 reset in 1192 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 556 ms. (71 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 380 ms. (104 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 23819 steps, run visited all 1 properties in 305 ms. (steps per millisecond=78 )
Probabilistic random walk after 23819 steps, saw 23179 distinct states, run finished after 306 ms. (steps per millisecond=77 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Support contains 2 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 29 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2024-05-29 01:02:31] [INFO ] Invariant cache hit.
[2024-05-29 01:02:32] [INFO ] Implicit Places using invariants in 505 ms returned []
[2024-05-29 01:02:32] [INFO ] Invariant cache hit.
[2024-05-29 01:02:33] [INFO ] Implicit Places using invariants and state equation in 914 ms returned []
Implicit Place search using SMT with State Equation took 1421 ms to find 0 implicit places.
[2024-05-29 01:02:33] [INFO ] Redundant transitions in 31 ms returned []
Running 697 sub problems to find dead transitions.
[2024-05-29 01:02:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30016 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/2340 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 697/3037 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1644/1644 variables, and 3037 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30029 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
After SMT, in 60271ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60278ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61766 ms. Remains : 946/946 places, 698/698 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 145 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 589 ms. (67 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 371 ms. (107 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 23819 steps, run visited all 1 properties in 281 ms. (steps per millisecond=84 )
Probabilistic random walk after 23819 steps, saw 23179 distinct states, run finished after 282 ms. (steps per millisecond=84 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 792 ms.
Product exploration explored 100000 steps with 0 reset in 1059 ms.
Support contains 2 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 25 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2024-05-29 01:03:36] [INFO ] Invariant cache hit.
[2024-05-29 01:03:36] [INFO ] Implicit Places using invariants in 568 ms returned []
[2024-05-29 01:03:36] [INFO ] Invariant cache hit.
[2024-05-29 01:03:37] [INFO ] Implicit Places using invariants and state equation in 873 ms returned []
Implicit Place search using SMT with State Equation took 1454 ms to find 0 implicit places.
[2024-05-29 01:03:37] [INFO ] Redundant transitions in 6 ms returned []
Running 697 sub problems to find dead transitions.
[2024-05-29 01:03:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30023 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/2340 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 697/3037 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1644/1644 variables, and 3037 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30031 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
After SMT, in 60229ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60238ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61735 ms. Remains : 946/946 places, 698/698 transitions.
Treatment of property ShieldIIPt-PT-050A-LTLFireability-00 finished in 132403 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(G(p0))&&F(p1))))'
Support contains 4 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
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 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Applied a total of 4 rules in 55 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:04:38] [INFO ] Computed 451 invariants in 3 ms
[2024-05-29 01:04:38] [INFO ] Implicit Places using invariants in 689 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 691 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
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 2 place count 948 transition count 699
Applied a total of 2 rules in 35 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:04:38] [INFO ] Computed 449 invariants in 2 ms
[2024-05-29 01:04:39] [INFO ] Implicit Places using invariants in 587 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 588 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 34 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:04:39] [INFO ] Computed 448 invariants in 7 ms
[2024-05-29 01:04:40] [INFO ] Implicit Places using invariants in 511 ms returned []
[2024-05-29 01:04:40] [INFO ] Invariant cache hit.
[2024-05-29 01:04:41] [INFO ] Implicit Places using invariants and state equation in 914 ms returned []
Implicit Place search using SMT with State Equation took 1431 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2834 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-02
Product exploration explored 100000 steps with 2 reset in 795 ms.
Stack based approach found an accepted trace after 64 steps with 0 reset with depth 65 and stack size 65 in 1 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-02 finished in 3808 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(G(!p0)) U (p1||G(p0)))))'
Support contains 4 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Applied a total of 4 rules in 44 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:04:42] [INFO ] Computed 451 invariants in 6 ms
[2024-05-29 01:04:42] [INFO ] Implicit Places using invariants in 523 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 525 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
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 2 place count 948 transition count 699
Applied a total of 2 rules in 24 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:04:42] [INFO ] Computed 449 invariants in 6 ms
[2024-05-29 01:04:43] [INFO ] Implicit Places using invariants in 503 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 504 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 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 2 place count 946 transition count 698
Applied a total of 2 rules in 31 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:04:43] [INFO ] Computed 448 invariants in 4 ms
[2024-05-29 01:04:43] [INFO ] Implicit Places using invariants in 500 ms returned []
[2024-05-29 01:04:43] [INFO ] Invariant cache hit.
[2024-05-29 01:04:44] [INFO ] Implicit Places using invariants and state equation in 871 ms returned []
Implicit Place search using SMT with State Equation took 1376 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2506 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p1) (NOT p0)), p0, (AND (NOT p0) (NOT p1)), false]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 803 ms.
Product exploration explored 100000 steps with 0 reset in 1094 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 120 ms. Reduced automaton from 4 states, 12 edges and 2 AP (stutter insensitive) to 4 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p1) (NOT p0)), p0, (AND (NOT p0) (NOT p1)), false]
RANDOM walk for 40000 steps (8 resets) in 389 ms. (102 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 420 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 447 ms. (89 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 34666 steps, run visited all 4 properties in 502 ms. (steps per millisecond=69 )
Probabilistic random walk after 34666 steps, saw 33913 distinct states, run finished after 503 ms. (steps per millisecond=68 ) properties seen :4
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p1) (NOT p0)))), (F p0), (F (NOT (OR p1 (NOT p0))))]
Knowledge based reduction with 9 factoid took 275 ms. Reduced automaton from 4 states, 12 edges and 2 AP (stutter insensitive) to 4 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p1) (NOT p0)), p0, (AND (NOT p0) (NOT p1)), false]
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p1) (NOT p0)), p0, (AND (NOT p0) (NOT p1)), false]
[2024-05-29 01:04:48] [INFO ] Invariant cache hit.
[2024-05-29 01:04:49] [INFO ] [Real]Absence check using 448 positive place invariants in 325 ms returned unsat
Proved EG (AND (NOT p1) (NOT p0))
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p1) (NOT p0)))), (F p0), (F (NOT (OR p1 (NOT p0)))), (G (AND (NOT p1) (NOT p0)))]
Property proved to be false thanks to negative knowledge :(G (AND (NOT p1) (NOT p0)))
Knowledge based reduction with 9 factoid took 299 ms. Reduced automaton from 4 states, 12 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-050A-LTLFireability-03 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-050A-LTLFireability-03 finished in 7638 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(X(X(!X(p0)))) U p1)||X(G(p2))))'
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 15 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2024-05-29 01:04:49] [INFO ] Computed 451 invariants in 5 ms
[2024-05-29 01:04:50] [INFO ] Implicit Places using invariants in 518 ms returned []
[2024-05-29 01:04:50] [INFO ] Invariant cache hit.
[2024-05-29 01:04:51] [INFO ] Implicit Places using invariants and state equation in 941 ms returned []
Implicit Place search using SMT with State Equation took 1462 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:04:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30021 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30022 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60196ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Finished structural reductions in LTL mode , in 1 iterations and 61688 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 292 ms :[p0, (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2)), p0, (OR (NOT p1) p0), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (AND p0 (NOT p2))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 813 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-04 finished in 62824 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(!p1) U ((p2&&X(!p1))||X(G(!p1))))&&p0)))'
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 15 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2024-05-29 01:05:52] [INFO ] Invariant cache hit.
[2024-05-29 01:05:52] [INFO ] Implicit Places using invariants in 506 ms returned []
[2024-05-29 01:05:52] [INFO ] Invariant cache hit.
[2024-05-29 01:05:53] [INFO ] Implicit Places using invariants and state equation in 991 ms returned []
Implicit Place search using SMT with State Equation took 1517 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:05:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30018 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30024 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60198ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60208ms
Finished structural reductions in LTL mode , in 1 iterations and 61747 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 211 ms :[true, p1, (OR (NOT p0) p1), (OR (NOT p0) p1), p1]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 2216 ms.
Product exploration explored 100000 steps with 33333 reset in 2273 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X p0), (X (NOT (AND p0 (NOT p2)))), (X (AND p0 p2)), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 17 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-050A-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-050A-LTLFireability-05 finished in 66503 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 2 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
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 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 43 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:06:59] [INFO ] Computed 451 invariants in 7 ms
[2024-05-29 01:06:59] [INFO ] Implicit Places using invariants in 505 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 508 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 21 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:06:59] [INFO ] Computed 449 invariants in 12 ms
[2024-05-29 01:07:00] [INFO ] Implicit Places using invariants in 512 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 515 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 38 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:07:00] [INFO ] Computed 448 invariants in 4 ms
[2024-05-29 01:07:00] [INFO ] Implicit Places using invariants in 455 ms returned []
[2024-05-29 01:07:00] [INFO ] Invariant cache hit.
[2024-05-29 01:07:01] [INFO ] Implicit Places using invariants and state equation in 946 ms returned []
Implicit Place search using SMT with State Equation took 1404 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2530 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-06
Product exploration explored 100000 steps with 410 reset in 788 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-06 finished in 3377 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 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
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 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Applied a total of 4 rules in 39 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:07:02] [INFO ] Computed 451 invariants in 7 ms
[2024-05-29 01:07:02] [INFO ] Implicit Places using invariants in 511 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 521 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
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 2 place count 948 transition count 699
Applied a total of 2 rules in 23 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:07:02] [INFO ] Computed 449 invariants in 6 ms
[2024-05-29 01:07:03] [INFO ] Implicit Places using invariants in 529 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 530 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 29 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:07:03] [INFO ] Computed 448 invariants in 2 ms
[2024-05-29 01:07:03] [INFO ] Implicit Places using invariants in 469 ms returned []
[2024-05-29 01:07:03] [INFO ] Invariant cache hit.
[2024-05-29 01:07:04] [INFO ] Implicit Places using invariants and state equation in 920 ms returned []
Implicit Place search using SMT with State Equation took 1394 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2537 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 778 ms.
Stack based approach found an accepted trace after 143 steps with 0 reset with depth 144 and stack size 133 in 2 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-07 finished in 3392 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((G(p0) U X((G(p1) U p2)))))'
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 15 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2024-05-29 01:07:05] [INFO ] Computed 451 invariants in 6 ms
[2024-05-29 01:07:06] [INFO ] Implicit Places using invariants in 468 ms returned []
[2024-05-29 01:07:06] [INFO ] Invariant cache hit.
[2024-05-29 01:07:07] [INFO ] Implicit Places using invariants and state equation in 924 ms returned []
Implicit Place search using SMT with State Equation took 1395 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:07:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30027 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30025 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60209ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60215ms
Finished structural reductions in LTL mode , in 1 iterations and 61628 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 304 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-08 finished in 61961 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(!p0))&&X(G(!p0))) U p1))'
Support contains 3 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 12 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2024-05-29 01:08:07] [INFO ] Invariant cache hit.
[2024-05-29 01:08:08] [INFO ] Implicit Places using invariants in 516 ms returned []
[2024-05-29 01:08:08] [INFO ] Invariant cache hit.
[2024-05-29 01:08:09] [INFO ] Implicit Places using invariants and state equation in 917 ms returned []
Implicit Place search using SMT with State Equation took 1474 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:08:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30026 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30016 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60199ms
Finished structural reductions in LTL mode , in 1 iterations and 61687 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 112 ms :[p0, true, (NOT p1), (OR (NOT p1) p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-09 finished in 61820 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&&X(G(p1))&&G(p2))))'
Support contains 2 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 11 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2024-05-29 01:09:09] [INFO ] Invariant cache hit.
[2024-05-29 01:09:10] [INFO ] Implicit Places using invariants in 523 ms returned []
[2024-05-29 01:09:10] [INFO ] Invariant cache hit.
[2024-05-29 01:09:11] [INFO ] Implicit Places using invariants and state equation in 937 ms returned []
Implicit Place search using SMT with State Equation took 1513 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:09:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30022 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30020 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60190ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in LTL mode , in 1 iterations and 61738 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 125 ms :[true, (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-11 finished in 61885 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((F(p0)&&X(p1))))'
Support contains 4 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 11 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2024-05-29 01:10:11] [INFO ] Invariant cache hit.
[2024-05-29 01:10:11] [INFO ] Implicit Places using invariants in 502 ms returned []
[2024-05-29 01:10:11] [INFO ] Invariant cache hit.
[2024-05-29 01:10:12] [INFO ] Implicit Places using invariants and state equation in 930 ms returned []
Implicit Place search using SMT with State Equation took 1477 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:10:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30021 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30039 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60242ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60250ms
Finished structural reductions in LTL mode , in 1 iterations and 61739 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 776 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-12 finished in 62697 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 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
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 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 38 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:11:14] [INFO ] Computed 451 invariants in 3 ms
[2024-05-29 01:11:14] [INFO ] Implicit Places using invariants in 510 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 511 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
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 2 place count 948 transition count 699
Applied a total of 2 rules in 21 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:11:14] [INFO ] Computed 449 invariants in 8 ms
[2024-05-29 01:11:15] [INFO ] Implicit Places using invariants in 501 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 502 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 28 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:11:15] [INFO ] Computed 448 invariants in 6 ms
[2024-05-29 01:11:15] [INFO ] Implicit Places using invariants in 489 ms returned []
[2024-05-29 01:11:15] [INFO ] Invariant cache hit.
[2024-05-29 01:11:16] [INFO ] Implicit Places using invariants and state equation in 928 ms returned []
Implicit Place search using SMT with State Equation took 1422 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2524 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 760 ms.
Stack based approach found an accepted trace after 34 steps with 0 reset with depth 35 and stack size 35 in 1 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-13 finished in 3391 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(p1)||p0))))'
Support contains 6 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
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 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 36 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2024-05-29 01:11:17] [INFO ] Computed 451 invariants in 5 ms
[2024-05-29 01:11:18] [INFO ] Implicit Places using invariants in 506 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 507 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
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 2 place count 948 transition count 699
Applied a total of 2 rules in 20 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2024-05-29 01:11:18] [INFO ] Computed 449 invariants in 3 ms
[2024-05-29 01:11:18] [INFO ] Implicit Places using invariants in 515 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 517 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 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 2 place count 946 transition count 698
Applied a total of 2 rules in 26 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2024-05-29 01:11:18] [INFO ] Computed 448 invariants in 3 ms
[2024-05-29 01:11:19] [INFO ] Implicit Places using invariants in 501 ms returned []
[2024-05-29 01:11:19] [INFO ] Invariant cache hit.
[2024-05-29 01:11:20] [INFO ] Implicit Places using invariants and state equation in 957 ms returned []
Implicit Place search using SMT with State Equation took 1462 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2572 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 755 ms.
Product exploration explored 100000 steps with 0 reset in 996 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 102 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 388 ms. (102 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 357 ms. (111 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 405 ms. (98 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 430 ms. (92 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 429 ms. (93 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 70225 steps, run visited all 4 properties in 1165 ms. (steps per millisecond=60 )
Probabilistic random walk after 70225 steps, saw 69212 distinct states, run finished after 1166 ms. (steps per millisecond=60 ) properties seen :4
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 241 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 6 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 19 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2024-05-29 01:11:24] [INFO ] Invariant cache hit.
[2024-05-29 01:11:24] [INFO ] Implicit Places using invariants in 474 ms returned []
[2024-05-29 01:11:24] [INFO ] Invariant cache hit.
[2024-05-29 01:11:25] [INFO ] Implicit Places using invariants and state equation in 936 ms returned []
Implicit Place search using SMT with State Equation took 1410 ms to find 0 implicit places.
[2024-05-29 01:11:25] [INFO ] Redundant transitions in 8 ms returned []
Running 697 sub problems to find dead transitions.
[2024-05-29 01:11:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30016 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/2340 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 697/3037 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1644/1644 variables, and 3037 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30026 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
After SMT, in 60257ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60264ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61707 ms. Remains : 946/946 places, 698/698 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 111 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 1294 ms. (30 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 377 ms. (105 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 405 ms. (98 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 398 ms. (100 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 411 ms. (97 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 70225 steps, run visited all 4 properties in 1149 ms. (steps per millisecond=61 )
Probabilistic random walk after 70225 steps, saw 69212 distinct states, run finished after 1150 ms. (steps per millisecond=61 ) properties seen :4
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 222 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 791 ms.
Product exploration explored 100000 steps with 0 reset in 1139 ms.
Support contains 6 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 17 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2024-05-29 01:12:30] [INFO ] Invariant cache hit.
[2024-05-29 01:12:31] [INFO ] Implicit Places using invariants in 511 ms returned []
[2024-05-29 01:12:31] [INFO ] Invariant cache hit.
[2024-05-29 01:12:32] [INFO ] Implicit Places using invariants and state equation in 956 ms returned []
Implicit Place search using SMT with State Equation took 1469 ms to find 0 implicit places.
[2024-05-29 01:12:32] [INFO ] Redundant transitions in 6 ms returned []
Running 697 sub problems to find dead transitions.
[2024-05-29 01:12:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30016 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/2340 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 697/3037 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1644/1644 variables, and 3037 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30022 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints]
After SMT, in 60205ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60211ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61709 ms. Remains : 946/946 places, 698/698 transitions.
Treatment of property ShieldIIPt-PT-050A-LTLFireability-14 finished in 134881 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((F(p1)&&p0))||X(p2)))'
Support contains 3 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 16 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2024-05-29 01:13:32] [INFO ] Computed 451 invariants in 4 ms
[2024-05-29 01:13:32] [INFO ] Implicit Places using invariants in 523 ms returned []
[2024-05-29 01:13:32] [INFO ] Invariant cache hit.
[2024-05-29 01:13:33] [INFO ] Implicit Places using invariants and state equation in 945 ms returned []
Implicit Place search using SMT with State Equation took 1478 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2024-05-29 01:13:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30015 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 5 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1655 variables, 701/3058 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 3058 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30025 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints]
After SMT, in 60196ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Finished structural reductions in LTL mode , in 1 iterations and 61698 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 210 ms :[(NOT p1), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 2727 ms.
Product exploration explored 100000 steps with 50000 reset in 2827 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 16 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-050A-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-050A-LTLFireability-15 finished in 67507 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)))'
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(p1)||p0))))'
[2024-05-29 01:14:40] [INFO ] Flatten gal took : 52 ms
[2024-05-29 01:14:40] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2024-05-29 01:14:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 953 places, 702 transitions and 3004 arcs took 7 ms.
Total runtime 841903 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldIIPt-PT-050A

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/410/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 953
TRANSITIONS: 702
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.022s, Sys 0.000s]


SAVING FILE /home/mcc/execution/410/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.003s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1376
MODEL NAME: /home/mcc/execution/410/model
953 places, 702 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA ShieldIIPt-PT-050A-LTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-050A-LTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716945401091

--------------------
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 LTLFireability -timeout 360 -rebuildPNML

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="ShieldIIPt-PT-050A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is ShieldIIPt-PT-050A, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r355-tall-171683758500324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-050A.tgz
mv ShieldIIPt-PT-050A execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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