About the Execution of GreatSPN+red for Echo-PT-d02r11
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 11316.684 | 3600000.00 | 9243668.00 | 5691.60 | FFFTTTTTF??F?T?T | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r157-smll-171636265000083.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 Echo-PT-d02r11, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r157-smll-171636265000083
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 04:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Apr 12 04:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 12 04:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Apr 12 04:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 469K May 18 16:42 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 Echo-PT-d02r11-LTLCardinality-00
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-01
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-02
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-03
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-04
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-05
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-06
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-07
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-08
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-09
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-10
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-11
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-12
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-13
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-14
FORMULA_NAME Echo-PT-d02r11-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1716413088340
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d02r11
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 21:24:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-22 21:24:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 21:24:50] [INFO ] Load time of PNML (sax parser for PT used): 304 ms
[2024-05-22 21:24:50] [INFO ] Transformed 1119 places.
[2024-05-22 21:24:50] [INFO ] Transformed 874 transitions.
[2024-05-22 21:24:50] [INFO ] Found NUPN structural information;
[2024-05-22 21:24:50] [INFO ] Parsed PT model containing 1119 places and 874 transitions and 4996 arcs in 583 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Echo-PT-d02r11-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r11-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 19 out of 1119 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1119/1119 places, 874/874 transitions.
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 0 with 119 rules applied. Total rules applied 119 place count 1000 transition count 874
Applied a total of 119 rules in 175 ms. Remains 1000 /1119 variables (removed 119) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 1000 cols
[2024-05-22 21:24:51] [INFO ] Computed 442 invariants in 634 ms
[2024-05-22 21:25:14] [INFO ] Implicit Places using invariants in 23495 ms returned []
[2024-05-22 21:25:14] [INFO ] Invariant cache hit.
[2024-05-22 21:25:21] [INFO ] Implicit Places using invariants and state equation in 6725 ms returned []
Implicit Place search using SMT with State Equation took 30297 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:25:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 184/1181 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1874 variables, and 1181 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30077 ms.
Refiners :[Domain max(s): 997/1000 constraints, Positive P Invariants (semi-flows): 0/8 constraints, Generalized P Invariants (flows): 184/434 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 184/1181 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/997 variables, 0/1181 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 3 (OVERLAPS) 2/999 variables, 8/1189 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/999 variables, 2/1191 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/999 variables, 245/1436 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 999/1874 variables, and 1436 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30029 ms.
Refiners :[Domain max(s): 999/1000 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 429/434 constraints, State Equation: 0/1000 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60935ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 61086ms
Starting structural reductions in LTL mode, iteration 1 : 1000/1119 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 91604 ms. Remains : 1000/1119 places, 874/874 transitions.
Support contains 19 out of 1000 places after structural reductions.
[2024-05-22 21:26:23] [INFO ] Flatten gal took : 205 ms
[2024-05-22 21:26:23] [INFO ] Flatten gal took : 123 ms
[2024-05-22 21:26:23] [INFO ] Input system was already deterministic with 874 transitions.
Reduction of identical properties reduced properties to check from 11 to 10
RANDOM walk for 14804 steps (59 resets) in 904 ms. (16 steps per ms) remains 0/10 properties
Computed a total of 1000 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1000 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 993 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.12 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 129 ms. Remains 992 /1000 variables (removed 8) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-22 21:26:24] [INFO ] Computed 436 invariants in 421 ms
[2024-05-22 21:26:46] [INFO ] Implicit Places using invariants in 22716 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 22720 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/1000 places, 872/874 transitions.
Applied a total of 0 rules in 64 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 22914 ms. Remains : 988/1000 places, 872/874 transitions.
Stuttering acceptance computed with spot in 270 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-01
Stuttering criterion allowed to conclude after 1180 steps with 31 reset in 38 ms.
FORMULA Echo-PT-d02r11-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLCardinality-01 finished in 23298 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)))'
Support contains 2 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 998 transition count 874
Applied a total of 2 rules in 24 ms. Remains 998 /1000 variables (removed 2) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-22 21:26:47] [INFO ] Computed 440 invariants in 289 ms
[2024-05-22 21:27:03] [INFO ] Implicit Places using invariants in 16073 ms returned []
[2024-05-22 21:27:03] [INFO ] Invariant cache hit.
[2024-05-22 21:27:34] [INFO ] Implicit Places using invariants and state equation in 31037 ms returned []
Implicit Place search using SMT with State Equation took 47115 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:27:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30026 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30027 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60519ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60541ms
Starting structural reductions in LTL mode, iteration 1 : 998/1000 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107685 ms. Remains : 998/1000 places, 874/874 transitions.
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-05
Product exploration explored 100000 steps with 50000 reset in 850 ms.
Product exploration explored 100000 steps with 50000 reset in 758 ms.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 25 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Echo-PT-d02r11-LTLCardinality-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Echo-PT-d02r11-LTLCardinality-05 finished in 110002 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)))'
Support contains 1 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 999 transition count 874
Applied a total of 1 rules in 23 ms. Remains 999 /1000 variables (removed 1) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 999 cols
[2024-05-22 21:28:37] [INFO ] Computed 441 invariants in 532 ms
[2024-05-22 21:29:00] [INFO ] Implicit Places using invariants in 22783 ms returned []
[2024-05-22 21:29:00] [INFO ] Invariant cache hit.
[2024-05-22 21:29:32] [INFO ] Implicit Places using invariants and state equation in 32163 ms returned []
Implicit Place search using SMT with State Equation took 54951 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:29:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 357/1354 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1873 variables, and 1354 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30035 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 357/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 357/1354 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1873 variables, and 1354 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30027 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 357/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60523ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60536ms
Starting structural reductions in LTL mode, iteration 1 : 999/1000 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 115513 ms. Remains : 999/1000 places, 874/874 transitions.
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 124 steps with 0 reset in 3 ms.
FORMULA Echo-PT-d02r11-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLCardinality-08 finished in 115649 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))&&F(p1)))'
Support contains 5 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 998 transition count 874
Applied a total of 2 rules in 24 ms. Remains 998 /1000 variables (removed 2) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 998 cols
[2024-05-22 21:30:33] [INFO ] Computed 440 invariants in 275 ms
[2024-05-22 21:30:55] [INFO ] Implicit Places using invariants in 22407 ms returned []
[2024-05-22 21:30:55] [INFO ] Invariant cache hit.
[2024-05-22 21:31:26] [INFO ] Implicit Places using invariants and state equation in 30839 ms returned []
Implicit Place search using SMT with State Equation took 53251 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:31:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30024 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 435/1432 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1872 variables, and 1432 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30022 ms.
Refiners :[Domain max(s): 997/998 constraints, Generalized P Invariants (flows): 435/440 constraints, State Equation: 0/998 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60384ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60395ms
Starting structural reductions in LTL mode, iteration 1 : 998/1000 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 113674 ms. Remains : 998/1000 places, 874/874 transitions.
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-09
Product exploration explored 100000 steps with 2756 reset in 1138 ms.
Product exploration explored 100000 steps with 2738 reset in 1415 ms.
Computed a total of 998 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 998 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 168 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 157 steps (0 resets) in 6 ms. (22 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 7 factoid took 252 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 71 ms :[(NOT p1), (NOT p1)]
[2024-05-22 21:32:30] [INFO ] Invariant cache hit.
[2024-05-22 21:32:45] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:32:45] [INFO ] [Real]Absence check using 0 positive and 440 generalized place invariants in 13716 ms returned unknown
Could not prove EG (NOT p1)
Support contains 2 out of 998 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 998/998 places, 874/874 transitions.
Graph (complete) has 2933 edges and 998 vertex of which 993 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.6 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 52 ms. Remains 992 /998 variables (removed 6) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-22 21:32:46] [INFO ] Computed 436 invariants in 339 ms
[2024-05-22 21:32:52] [INFO ] Implicit Places using invariants in 6519 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 6536 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/998 places, 872/874 transitions.
Applied a total of 0 rules in 46 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 6635 ms. Remains : 988/998 places, 872/874 transitions.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 254 steps (0 resets) in 19 ms. (12 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 133 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 872 rows 988 cols
[2024-05-22 21:32:53] [INFO ] Computed 432 invariants in 319 ms
[2024-05-22 21:33:08] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:33:08] [INFO ] [Real]Absence check using 0 positive and 432 generalized place invariants in 13777 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1471 reset in 1144 ms.
Product exploration explored 100000 steps with 1437 reset in 1369 ms.
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 45 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:33:11] [INFO ] Invariant cache hit.
[2024-05-22 21:33:33] [INFO ] Implicit Places using invariants in 22374 ms returned []
[2024-05-22 21:33:33] [INFO ] Invariant cache hit.
[2024-05-22 21:33:40] [INFO ] Implicit Places using invariants and state equation in 6935 ms returned []
Implicit Place search using SMT with State Equation took 29320 ms to find 0 implicit places.
[2024-05-22 21:33:40] [INFO ] Redundant transitions in 59 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:33:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30026 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30022 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60433ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60448ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 89885 ms. Remains : 988/988 places, 872/872 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-09 finished in 248381 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 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 993 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.4 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 71 ms. Remains 992 /1000 variables (removed 8) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-22 21:34:41] [INFO ] Computed 436 invariants in 359 ms
[2024-05-22 21:35:03] [INFO ] Implicit Places using invariants in 21939 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 21944 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/1000 places, 872/874 transitions.
Applied a total of 0 rules in 37 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 22053 ms. Remains : 988/1000 places, 872/874 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-10
Product exploration explored 100000 steps with 414 reset in 1029 ms.
Product exploration explored 100000 steps with 414 reset in 1153 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 157 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)]
RANDOM walk for 651 steps (0 resets) in 18 ms. (34 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 126 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 42 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
// Phase 1: matrix 872 rows 988 cols
[2024-05-22 21:35:07] [INFO ] Computed 432 invariants in 362 ms
[2024-05-22 21:35:13] [INFO ] Implicit Places using invariants in 6978 ms returned []
[2024-05-22 21:35:13] [INFO ] Invariant cache hit.
[2024-05-22 21:35:20] [INFO ] Implicit Places using invariants and state equation in 7167 ms returned []
Implicit Place search using SMT with State Equation took 14151 ms to find 0 implicit places.
[2024-05-22 21:35:20] [INFO ] Redundant transitions in 130 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:35:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30021 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30024 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60341ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60351ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74690 ms. Remains : 988/988 places, 872/872 transitions.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 101 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 39 ms :[(NOT p0)]
RANDOM walk for 648 steps (0 resets) in 13 ms. (46 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 119 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 414 reset in 980 ms.
Product exploration explored 100000 steps with 414 reset in 1091 ms.
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 33 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:36:24] [INFO ] Invariant cache hit.
[2024-05-22 21:36:29] [INFO ] Implicit Places using invariants in 5515 ms returned []
[2024-05-22 21:36:29] [INFO ] Invariant cache hit.
[2024-05-22 21:36:36] [INFO ] Implicit Places using invariants and state equation in 6834 ms returned []
Implicit Place search using SMT with State Equation took 12352 ms to find 0 implicit places.
[2024-05-22 21:36:36] [INFO ] Redundant transitions in 13 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:36:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30029 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30022 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60356ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60366ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72787 ms. Remains : 988/988 places, 872/872 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-10 finished in 175837 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 1 out of 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 993 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 35 ms. Remains 992 /1000 variables (removed 8) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-22 21:37:37] [INFO ] Computed 436 invariants in 346 ms
[2024-05-22 21:37:42] [INFO ] Implicit Places using invariants in 5550 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 5556 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/1000 places, 872/874 transitions.
Applied a total of 0 rules in 40 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5632 ms. Remains : 988/1000 places, 872/874 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-11
Stuttering criterion allowed to conclude after 240 steps with 0 reset in 3 ms.
FORMULA Echo-PT-d02r11-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r11-LTLCardinality-11 finished in 5705 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 1000 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 993 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 34 ms. Remains 992 /1000 variables (removed 8) and now considering 872/874 (removed 2) transitions.
[2024-05-22 21:37:42] [INFO ] Invariant cache hit.
[2024-05-22 21:38:04] [INFO ] Implicit Places using invariants in 21782 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 21797 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 988/1000 places, 872/874 transitions.
Applied a total of 0 rules in 35 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 21866 ms. Remains : 988/1000 places, 872/874 transitions.
Stuttering acceptance computed with spot in 98 ms :[(NOT p0)]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-12
Product exploration explored 100000 steps with 414 reset in 979 ms.
Product exploration explored 100000 steps with 414 reset in 1096 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 97 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)]
RANDOM walk for 204 steps (0 resets) in 8 ms. (22 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 115 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
// Phase 1: matrix 872 rows 988 cols
[2024-05-22 21:38:08] [INFO ] Computed 432 invariants in 349 ms
[2024-05-22 21:38:23] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:38:23] [INFO ] [Real]Absence check using 0 positive and 432 generalized place invariants in 13692 ms returned unknown
Could not prove EG (NOT p0)
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 30 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:38:23] [INFO ] Invariant cache hit.
[2024-05-22 21:38:28] [INFO ] Implicit Places using invariants in 5545 ms returned []
[2024-05-22 21:38:28] [INFO ] Invariant cache hit.
[2024-05-22 21:38:35] [INFO ] Implicit Places using invariants and state equation in 6719 ms returned []
Implicit Place search using SMT with State Equation took 12269 ms to find 0 implicit places.
[2024-05-22 21:38:35] [INFO ] Redundant transitions in 12 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:38:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30023 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30033 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60386ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60397ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72724 ms. Remains : 988/988 places, 872/872 transitions.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 182 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 39 ms :[(NOT p0)]
RANDOM walk for 171 steps (0 resets) in 8 ms. (19 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 125 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 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2024-05-22 21:39:36] [INFO ] Invariant cache hit.
[2024-05-22 21:39:51] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:39:51] [INFO ] [Real]Absence check using 0 positive and 432 generalized place invariants in 13725 ms returned unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 414 reset in 1039 ms.
Product exploration explored 100000 steps with 414 reset in 1176 ms.
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 36 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:39:54] [INFO ] Invariant cache hit.
[2024-05-22 21:40:00] [INFO ] Implicit Places using invariants in 5838 ms returned []
[2024-05-22 21:40:00] [INFO ] Invariant cache hit.
[2024-05-22 21:40:06] [INFO ] Implicit Places using invariants and state equation in 6615 ms returned []
Implicit Place search using SMT with State Equation took 12455 ms to find 0 implicit places.
[2024-05-22 21:40:06] [INFO ] Redundant transitions in 12 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:40:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30021 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30023 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60363ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60372ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 72884 ms. Remains : 988/988 places, 872/872 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-12 finished in 204234 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(G((p1||X(G(p2)))))&&p0)))'
Support contains 4 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 999 transition count 874
Applied a total of 1 rules in 30 ms. Remains 999 /1000 variables (removed 1) and now considering 874/874 (removed 0) transitions.
// Phase 1: matrix 874 rows 999 cols
[2024-05-22 21:41:07] [INFO ] Computed 441 invariants in 384 ms
[2024-05-22 21:41:26] [INFO ] Implicit Places using invariants in 18993 ms returned []
[2024-05-22 21:41:26] [INFO ] Invariant cache hit.
[2024-05-22 21:41:32] [INFO ] Implicit Places using invariants and state equation in 5932 ms returned []
Implicit Place search using SMT with State Equation took 24957 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:41:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1873 variables, and 1409 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30025 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 412/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/997 variables, 0/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
SMT process timed out in 60341ms, After SMT, problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60351ms
Starting structural reductions in LTL mode, iteration 1 : 999/1000 places, 874/874 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85343 ms. Remains : 999/1000 places, 874/874 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-14
Product exploration explored 100000 steps with 411 reset in 1065 ms.
Product exploration explored 100000 steps with 411 reset in 1173 ms.
Computed a total of 999 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 999 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 850 ms. Reduced automaton from 4 states, 15 edges and 3 AP (stutter sensitive) to 4 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 14 to 11
RANDOM walk for 40000 steps (164 resets) in 1352 ms. (29 steps per ms) remains 4/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 615 ms. (64 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 654 ms. (61 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 606 ms. (65 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 3/3 properties
[2024-05-22 21:42:37] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 16/20 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 649/669 variables, 215/239 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 649/888 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 0/888 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 322/991 variables, 214/1102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/991 variables, 322/1424 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/991 variables, 0/1424 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 8/999 variables, 8/1432 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/999 variables, 8/1440 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/999 variables, 0/1440 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 874/1873 variables, 999/2439 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1873 variables, 0/2439 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/1873 variables, 0/2439 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1873/1873 variables, and 2439 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2143 ms.
Refiners :[Domain max(s): 999/999 constraints, Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 437/437 constraints, State Equation: 999/999 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Problem apf5 is UNSAT
Problem apf7 is UNSAT
Problem apf10 is UNSAT
After SMT solving in domain Int declared 4/1873 variables, and 4 constraints, problems are : Problem set: 3 solved, 0 unsolved in 23 ms.
Refiners :[Domain max(s): 4/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 0/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 2198ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) p1)), (G (OR (NOT p0) p1 p2)), (G (OR (NOT p0) p1 (NOT p2)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p0), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 p1 (NOT p2)))), (F p1), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F p2), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 25 factoid took 3030 ms. Reduced automaton from 4 states, 15 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
[2024-05-22 21:42:43] [INFO ] Invariant cache hit.
[2024-05-22 21:42:44] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2024-05-22 21:42:58] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:42:58] [INFO ] [Real]Absence check using 4 positive and 437 generalized place invariants in 13767 ms returned unknown
Could not prove EG (NOT p0)
[2024-05-22 21:42:58] [INFO ] Invariant cache hit.
[2024-05-22 21:42:59] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2024-05-22 21:43:13] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:43:13] [INFO ] [Real]Absence check using 4 positive and 437 generalized place invariants in 13771 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p2))
Support contains 4 out of 999 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 999/999 places, 874/874 transitions.
Applied a total of 0 rules in 21 ms. Remains 999 /999 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-22 21:43:13] [INFO ] Invariant cache hit.
[2024-05-22 21:43:34] [INFO ] Implicit Places using invariants in 21649 ms returned []
[2024-05-22 21:43:34] [INFO ] Invariant cache hit.
[2024-05-22 21:43:40] [INFO ] Implicit Places using invariants and state equation in 6001 ms returned []
Implicit Place search using SMT with State Equation took 27681 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:43:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1873 variables, and 1409 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30027 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 412/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/997 variables, 0/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
SMT process timed out in 60379ms, After SMT, problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60389ms
Finished structural reductions in LTL mode , in 1 iterations and 88095 ms. Remains : 999/999 places, 874/874 transitions.
Computed a total of 999 stabilizing places and 874 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 999 transition count 874
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 1135 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 10 to 6
RANDOM walk for 40000 steps (164 resets) in 573 ms. (69 steps per ms) remains 1/6 properties
BEST_FIRST walk for 22403 steps (4 resets) in 150 ms. (148 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (OR (NOT p0) p2))), (F p2), (F p1), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 (NOT p2))))]
Knowledge based reduction with 13 factoid took 4541 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 167 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
[2024-05-22 21:44:48] [INFO ] Invariant cache hit.
[2024-05-22 21:44:49] [INFO ] [Real]Absence check using 4 positive place invariants in 8 ms returned sat
[2024-05-22 21:45:03] [INFO ] [Real]Absence check using 4 positive and 437 generalized place invariants in 13767 ms returned unknown
Could not prove EG (NOT p0)
[2024-05-22 21:45:03] [INFO ] Invariant cache hit.
[2024-05-22 21:45:04] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2024-05-22 21:45:18] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:45:18] [INFO ] [Real]Absence check using 4 positive and 437 generalized place invariants in 13740 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 411 reset in 974 ms.
Product exploration explored 100000 steps with 411 reset in 1107 ms.
Support contains 4 out of 999 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 999/999 places, 874/874 transitions.
Applied a total of 0 rules in 18 ms. Remains 999 /999 variables (removed 0) and now considering 874/874 (removed 0) transitions.
[2024-05-22 21:45:20] [INFO ] Invariant cache hit.
[2024-05-22 21:45:42] [INFO ] Implicit Places using invariants in 21593 ms returned []
[2024-05-22 21:45:42] [INFO ] Invariant cache hit.
[2024-05-22 21:45:48] [INFO ] Implicit Places using invariants and state equation in 5945 ms returned []
Implicit Place search using SMT with State Equation took 27542 ms to find 0 implicit places.
Running 873 sub problems to find dead transitions.
[2024-05-22 21:45:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 997/1873 variables, and 1409 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30021 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 412/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 873/873 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 873 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/997 variables, 997/997 constraints. Problems are: Problem set: 0 solved, 873 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/997 variables, 412/1409 constraints. Problems are: Problem set: 0 solved, 873 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 997/1873 variables, and 1409 constraints, problems are : Problem set: 0 solved, 873 unsolved in 30031 ms.
Refiners :[Domain max(s): 997/999 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 412/437 constraints, State Equation: 0/999 constraints, PredecessorRefiner: 0/873 constraints, Known Traps: 0/0 constraints]
After SMT, in 60349ms problems are : Problem set: 0 solved, 873 unsolved
Search for dead transitions found 0 dead transitions in 60359ms
Finished structural reductions in LTL mode , in 1 iterations and 87922 ms. Remains : 999/999 places, 874/874 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-14 finished in 341786 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))&&F(p1)))'
Found a Shortening insensitive property : Echo-PT-d02r11-LTLCardinality-09
Stuttering acceptance computed with spot in 133 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Support contains 5 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 993 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.7 ms
Discarding 7 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 37 ms. Remains 992 /1000 variables (removed 8) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 992 cols
[2024-05-22 21:46:49] [INFO ] Computed 436 invariants in 351 ms
[2024-05-22 21:46:55] [INFO ] Implicit Places using invariants in 6762 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 6772 ms to find 4 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 988/1000 places, 872/874 transitions.
Applied a total of 0 rules in 26 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 6839 ms. Remains : 988/1000 places, 872/874 transitions.
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-09
Product exploration explored 100000 steps with 2835 reset in 1222 ms.
Product exploration explored 100000 steps with 2862 reset in 1372 ms.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 186 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 232 steps (0 resets) in 7 ms. (29 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 7 factoid took 218 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 872 rows 988 cols
[2024-05-22 21:47:00] [INFO ] Computed 432 invariants in 324 ms
[2024-05-22 21:47:15] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:47:15] [INFO ] [Real]Absence check using 0 positive and 432 generalized place invariants in 13722 ms returned unknown
Could not prove EG (NOT p1)
Support contains 2 out of 988 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 26 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:47:15] [INFO ] Invariant cache hit.
[2024-05-22 21:47:21] [INFO ] Implicit Places using invariants in 6301 ms returned []
[2024-05-22 21:47:21] [INFO ] Invariant cache hit.
[2024-05-22 21:47:28] [INFO ] Implicit Places using invariants and state equation in 7173 ms returned []
Implicit Place search using SMT with State Equation took 13486 ms to find 0 implicit places.
[2024-05-22 21:47:28] [INFO ] Redundant transitions in 12 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:47:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30030 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30027 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60393ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60402ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73939 ms. Remains : 988/988 places, 872/872 transitions.
Computed a total of 988 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 988 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 99 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 313 steps (0 resets) in 8 ms. (34 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 118 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p1)]
[2024-05-22 21:48:30] [INFO ] Invariant cache hit.
[2024-05-22 21:48:45] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:48:45] [INFO ] [Real]Absence check using 0 positive and 432 generalized place invariants in 13760 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1464 reset in 1180 ms.
Product exploration explored 100000 steps with 1441 reset in 1318 ms.
Support contains 2 out of 988 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 988/988 places, 872/872 transitions.
Applied a total of 0 rules in 25 ms. Remains 988 /988 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:48:47] [INFO ] Invariant cache hit.
[2024-05-22 21:49:09] [INFO ] Implicit Places using invariants in 21585 ms returned []
[2024-05-22 21:49:09] [INFO ] Invariant cache hit.
[2024-05-22 21:49:16] [INFO ] Implicit Places using invariants and state equation in 6829 ms returned []
Implicit Place search using SMT with State Equation took 28437 ms to find 0 implicit places.
[2024-05-22 21:49:16] [INFO ] Redundant transitions in 13 ms returned []
Running 868 sub problems to find dead transitions.
[2024-05-22 21:49:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30022 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1860 variables, and 1420 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30025 ms.
Refiners :[Domain max(s): 988/988 constraints, Generalized P Invariants (flows): 432/432 constraints, State Equation: 0/988 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60427ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60440ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 88927 ms. Remains : 988/988 places, 872/872 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-09 finished in 207750 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(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((X(G((p1||X(G(p2)))))&&p0)))'
Found a Lengthening insensitive property : Echo-PT-d02r11-LTLCardinality-14
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 1000 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1000/1000 places, 874/874 transitions.
Graph (complete) has 2949 edges and 1000 vertex of which 994 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 53 ms. Remains 993 /1000 variables (removed 7) and now considering 872/874 (removed 2) transitions.
// Phase 1: matrix 872 rows 993 cols
[2024-05-22 21:50:17] [INFO ] Computed 437 invariants in 391 ms
[2024-05-22 21:50:23] [INFO ] Implicit Places using invariants in 5870 ms returned [379, 416, 419, 456]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 5872 ms to find 4 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 989/1000 places, 872/874 transitions.
Applied a total of 0 rules in 24 ms. Remains 989 /989 variables (removed 0) and now considering 872/872 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 5951 ms. Remains : 989/1000 places, 872/874 transitions.
Running random walk in product with property : Echo-PT-d02r11-LTLCardinality-14
Product exploration explored 100000 steps with 414 reset in 1038 ms.
Product exploration explored 100000 steps with 414 reset in 1114 ms.
Computed a total of 989 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 989 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 809 ms. Reduced automaton from 4 states, 15 edges and 3 AP (stutter sensitive) to 4 states, 15 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 194 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 14 to 11
RANDOM walk for 40000 steps (164 resets) in 764 ms. (52 steps per ms) remains 4/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 420 ms. (95 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 384 ms. (103 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 275 ms. (144 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 328 ms. (121 steps per ms) remains 3/3 properties
// Phase 1: matrix 872 rows 989 cols
[2024-05-22 21:50:27] [INFO ] Computed 433 invariants in 362 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 16/20 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 16/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 595/615 variables, 131/155 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/615 variables, 595/750 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/615 variables, 0/750 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 373/988 variables, 297/1047 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/988 variables, 373/1420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/988 variables, 0/1420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/989 variables, 1/1421 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/989 variables, 1/1422 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/989 variables, 0/1422 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 872/1861 variables, 989/2411 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1861 variables, 0/2411 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/1861 variables, 0/2411 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1861/1861 variables, and 2411 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2761 ms.
Refiners :[Domain max(s): 989/989 constraints, Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 429/429 constraints, State Equation: 989/989 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Problem apf5 is UNSAT
Problem apf7 is UNSAT
Problem apf10 is UNSAT
After SMT solving in domain Int declared 4/1861 variables, and 4 constraints, problems are : Problem set: 3 solved, 0 unsolved in 27 ms.
Refiners :[Domain max(s): 4/989 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 0/429 constraints, State Equation: 0/989 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 3169ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p0) p1)), (G (OR (NOT p0) p1 p2)), (G (OR (NOT p0) p1 (NOT p2)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p0), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 p1 (NOT p2)))), (F p1), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F p2), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 25 factoid took 3045 ms. Reduced automaton from 4 states, 15 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 179 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 167 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
[2024-05-22 21:50:34] [INFO ] Invariant cache hit.
[2024-05-22 21:50:35] [INFO ] [Real]Absence check using 4 positive place invariants in 10 ms returned sat
[2024-05-22 21:50:49] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:50:49] [INFO ] [Real]Absence check using 4 positive and 429 generalized place invariants in 13649 ms returned unknown
Could not prove EG (NOT p0)
[2024-05-22 21:50:49] [INFO ] Invariant cache hit.
[2024-05-22 21:50:50] [INFO ] [Real]Absence check using 4 positive place invariants in 10 ms returned sat
[2024-05-22 21:51:04] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:51:04] [INFO ] [Real]Absence check using 4 positive and 429 generalized place invariants in 13633 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p2))
Support contains 4 out of 989 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 989/989 places, 872/872 transitions.
Applied a total of 0 rules in 18 ms. Remains 989 /989 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:51:04] [INFO ] Invariant cache hit.
[2024-05-22 21:51:09] [INFO ] Implicit Places using invariants in 5250 ms returned []
[2024-05-22 21:51:09] [INFO ] Invariant cache hit.
[2024-05-22 21:51:15] [INFO ] Implicit Places using invariants and state equation in 6101 ms returned []
Implicit Place search using SMT with State Equation took 11354 ms to find 0 implicit places.
Running 868 sub problems to find dead transitions.
[2024-05-22 21:51:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/988 variables, 375/1363 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/1861 variables, and 1363 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30023 ms.
Refiners :[Domain max(s): 988/989 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 375/429 constraints, State Equation: 0/989 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/988 variables, 375/1363 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1861 variables, and 1363 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30028 ms.
Refiners :[Domain max(s): 988/989 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 375/429 constraints, State Equation: 0/989 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60385ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60397ms
Finished structural reductions in LTL mode , in 1 iterations and 71773 ms. Remains : 989/989 places, 872/872 transitions.
Computed a total of 989 stabilizing places and 872 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 989 transition count 872
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 1209 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 10 to 6
RANDOM walk for 40000 steps (164 resets) in 571 ms. (69 steps per ms) remains 1/6 properties
BEST_FIRST walk for 31427 steps (6 resets) in 210 ms. (148 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (OR (NOT p0) p2))), (F p2), (F p1), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 (NOT p2))))]
Knowledge based reduction with 13 factoid took 4674 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
[2024-05-22 21:52:23] [INFO ] Invariant cache hit.
[2024-05-22 21:52:24] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned sat
[2024-05-22 21:52:38] [INFO ] [Real]Absence check using 4 positive and 429 generalized place invariants in 13671 ms returned unknown
Could not prove EG (NOT p0)
[2024-05-22 21:52:38] [INFO ] Invariant cache hit.
[2024-05-22 21:52:39] [INFO ] [Real]Absence check using 4 positive place invariants in 11 ms returned sat
[2024-05-22 21:52:53] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-22 21:52:53] [INFO ] [Real]Absence check using 4 positive and 429 generalized place invariants in 13655 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p2))
Stuttering acceptance computed with spot in 177 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 414 reset in 984 ms.
Product exploration explored 100000 steps with 414 reset in 1115 ms.
Support contains 4 out of 989 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 989/989 places, 872/872 transitions.
Applied a total of 0 rules in 20 ms. Remains 989 /989 variables (removed 0) and now considering 872/872 (removed 0) transitions.
[2024-05-22 21:52:55] [INFO ] Invariant cache hit.
[2024-05-22 21:53:00] [INFO ] Implicit Places using invariants in 5185 ms returned []
[2024-05-22 21:53:00] [INFO ] Invariant cache hit.
[2024-05-22 21:53:07] [INFO ] Implicit Places using invariants and state equation in 6261 ms returned []
Implicit Place search using SMT with State Equation took 11460 ms to find 0 implicit places.
Running 868 sub problems to find dead transitions.
[2024-05-22 21:53:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/988 variables, 375/1363 constraints. Problems are: Problem set: 0 solved, 868 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 988/1861 variables, and 1363 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30038 ms.
Refiners :[Domain max(s): 988/989 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 375/429 constraints, State Equation: 0/989 constraints, PredecessorRefiner: 868/868 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 868 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/988 variables, 988/988 constraints. Problems are: Problem set: 0 solved, 868 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/988 variables, 375/1363 constraints. Problems are: Problem set: 0 solved, 868 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/1861 variables, and 1363 constraints, problems are : Problem set: 0 solved, 868 unsolved in 30024 ms.
Refiners :[Domain max(s): 988/989 constraints, Positive P Invariants (semi-flows): 0/4 constraints, Generalized P Invariants (flows): 375/429 constraints, State Equation: 0/989 constraints, PredecessorRefiner: 0/868 constraints, Known Traps: 0/0 constraints]
After SMT, in 60435ms problems are : Problem set: 0 solved, 868 unsolved
Search for dead transitions found 0 dead transitions in 60447ms
Finished structural reductions in LTL mode , in 1 iterations and 71930 ms. Remains : 989/989 places, 872/872 transitions.
Treatment of property Echo-PT-d02r11-LTLCardinality-14 finished in 230641 ms.
[2024-05-22 21:54:07] [INFO ] Flatten gal took : 74 ms
[2024-05-22 21:54:07] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-05-22 21:54:07] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1000 places, 874 transitions and 4567 arcs took 17 ms.
Total runtime 1757545 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running Echo-PT-d02r11
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/412/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1000
TRANSITIONS: 874
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.035s, Sys 0.002s]
SAVING FILE /home/mcc/execution/412/model (.net / .def) ...
EXPORT TIME: [User 0.005s, Sys 0.000s]
----------------------------------------------------------------------
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: 1853
MODEL NAME: /home/mcc/execution/412/model
1000 places, 874 transitions.
No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
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.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
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="Echo-PT-d02r11"
export BK_EXAMINATION="LTLCardinality"
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 Echo-PT-d02r11, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r157-smll-171636265000083"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r11.tgz
mv Echo-PT-d02r11 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;