MCC'2024- Execution of r601-tall-171774424000212

About the Execution of GreatSPN+red for BlocksWorld-PT-07

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
12479.607	3600000.00	9486284.00	4458.20	FTFTF?TFFFFFTFTF	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.r601-tall-171774424000212.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 BlocksWorld-PT-07, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r601-tall-171774424000212
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 292K Jun 7 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.4M Jun 7 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 356K Jun 7 06:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.9M Jun 7 06:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 31K Jun 7 06:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 103K Jun 7 06:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 230K Jun 7 06:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 933K Jun 7 06:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 7 06:26 NewModel
-rw-r--r-- 1 mcc users 599K Jun 7 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.7M Jun 7 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Jun 7 06:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 8.1M Jun 7 06:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.8K Jun 7 06:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 11K Jun 7 06:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Jun 7 06:26 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 7 06:26 instance
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 iscolored
-rw-r--r-- 1 mcc users 1.5M Jun 7 06:26 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 BlocksWorld-PT-07-LTLFireability-00
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-01
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-02
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-03
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-04
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-05
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-06
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-07
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-08
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-09
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-10
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-11
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-12
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-13
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-14
FORMULA_NAME BlocksWorld-PT-07-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717760459240

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-06-07 11:41:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-07 11:41:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-07 11:41:00] [INFO ] Load time of PNML (sax parser for PT used): 235 ms
[2024-06-07 11:41:00] [INFO ] Transformed 1559 places.
[2024-06-07 11:41:00] [INFO ] Transformed 2965 transitions.
[2024-06-07 11:41:00] [INFO ] Found NUPN structural information;
[2024-06-07 11:41:00] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37]
[2024-06-07 11:41:00] [INFO ] Parsed PT model containing 1559 places and 2965 transitions and 14810 arcs in 365 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 52 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA BlocksWorld-PT-07-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-07-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-07-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-07-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-07-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 1524 out of 1559 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1559/1559 places, 2965/2965 transitions.
Applied a total of 0 rules in 34 ms. Remains 1559 /1559 variables (removed 0) and now considering 2965/2965 (removed 0) transitions.
// Phase 1: matrix 2965 rows 1559 cols
[2024-06-07 11:41:01] [INFO ] Computed 77 invariants in 76 ms
[2024-06-07 11:41:01] [INFO ] Implicit Places using invariants in 479 ms returned []
[2024-06-07 11:41:01] [INFO ] Invariant cache hit.
[2024-06-07 11:41:03] [INFO ] State equation strengthened by 63 read => feed constraints.
[2024-06-07 11:41:03] [INFO ] Implicit Places using invariants and state equation in 1829 ms returned []
Implicit Place search using SMT with State Equation took 2338 ms to find 0 implicit places.
Running 2958 sub problems to find dead transitions.
[2024-06-07 11:41:03] [INFO ] Invariant cache hit.
[2024-06-07 11:41:03] [INFO ] State equation strengthened by 63 read => feed constraints.
Problem TDEAD115 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD349 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD427 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD583 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD700 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD778 is UNSAT
Problem TDEAD856 is UNSAT
Problem TDEAD895 is UNSAT
Problem TDEAD1012 is UNSAT
Problem TDEAD1051 is UNSAT
Problem TDEAD1090 is UNSAT
Problem TDEAD1129 is UNSAT
Problem TDEAD1168 is UNSAT
Problem TDEAD1207 is UNSAT
Problem TDEAD1246 is UNSAT
Problem TDEAD1285 is UNSAT
Problem TDEAD1324 is UNSAT
Problem TDEAD1363 is UNSAT
Problem TDEAD1402 is UNSAT
Problem TDEAD1441 is UNSAT
Problem TDEAD1480 is UNSAT
Problem TDEAD1519 is UNSAT
Problem TDEAD1558 is UNSAT
Problem TDEAD1704 is UNSAT
Problem TDEAD1774 is UNSAT
Problem TDEAD1842 is UNSAT
Problem TDEAD1908 is UNSAT
Problem TDEAD1972 is UNSAT
Problem TDEAD2034 is UNSAT
Problem TDEAD2094 is UNSAT
Problem TDEAD2152 is UNSAT
Problem TDEAD2208 is UNSAT
Problem TDEAD2262 is UNSAT
Problem TDEAD2314 is UNSAT
Problem TDEAD2364 is UNSAT
Problem TDEAD2412 is UNSAT
Problem TDEAD2458 is UNSAT
Problem TDEAD2502 is UNSAT
Problem TDEAD2544 is UNSAT
Problem TDEAD2622 is UNSAT
Problem TDEAD2658 is UNSAT
Problem TDEAD2754 is UNSAT
Problem TDEAD2782 is UNSAT
Problem TDEAD2808 is UNSAT
Problem TDEAD2832 is UNSAT
Problem TDEAD2854 is UNSAT
Problem TDEAD2874 is UNSAT
Problem TDEAD2892 is UNSAT
Problem TDEAD2908 is UNSAT
Problem TDEAD2922 is UNSAT
Problem TDEAD2934 is UNSAT
Problem TDEAD2944 is UNSAT
Problem TDEAD2952 is UNSAT
Problem TDEAD2958 is UNSAT
Problem TDEAD2962 is UNSAT
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(s1340 0.0)
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(s1346 0.0)
(s1347 0.0)
(s1348 0.0)
(s1349 0.0)
(s1350 0.0)
(s1351 0.0)
(s1352 0.0)
(s1353 0.0)
(s1354 0.0)
(s1355 0.0)
(s1356 0.0)
(s1357 0.0)
(s1358 0.0)
(s1359 0.0)
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(s1365 0.0)
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(s1367 0.0)
(s1368 0.0)
(s1369 1.0)
(s1370 0.0)
(s1371 1.0)
(s1372 0.0)
(s1373 0.0)
(s1374 0.0)
(s1375 0.0)
(s1376 0.0)
(s1377 0.0)
(s1378 0.0)
(s1379 0.0)
(s1380 0.0)
(s1381 0.0)
(s1382 0.0)
(s1383 0.0)
(s1384 0.0)
(s1385 0.0)
(s1386 0.0)
(s1387 0.0)
(s1389 0.0)
(s1390 0.0)
(s1391 1.0)
(s1392 1.0)
(s1393 0.0)
(s1394 0.0)
(s1395 0.0)
(s1396 0.0)
(s1397 0.0)
(s1398 0.0)
(s1399 0.0)
(s1400 0.0)
(s1401 0.0)
(s1402 0.0)
(s1403 0.0)
(s1404 0.0)
(s1405 0.0)
(s1406 0.0)
(s1407 0.0)
(s1408 0.0)
(s1409 0.0)
(s1410 0.0)
(s1411 0.0)
(s1412 0.0)
(s1413 0.0)
(s1414 0.0)
(s1415 0.0)
(s1416 0.0)
(s1417 0.0)
(s1418 0.0)
(s1419 0.0)
(s1420 0.0)
(s1421 0.0)
(s1422 0.0)
(s1423 0.0)
(s1424 0.0)
(s1425 0.0)
(s1426 0.0)
(s1427 0.0)
(s1428 0.0)
(s1429 0.0)
(s1430 0.0)
(s1431 0.0)
(s1432 0.0)
(s1433 0.0)
(s1434 0.0)
(s1435 0.0)
(s1436 0.0)
(s1437 0.0)
(s1438 0.0)
(s1439 0.0)
(s1440 0.0)
(s1441 0.0)
(s1442 0.0)
(s1443 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1553 variables, 66/66 constraints. Problems are: Problem set: 66 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1553/4524 variables, and 66 constraints, problems are : Problem set: 66 solved, 2892 unsolved in 30086 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1559 constraints, ReadFeed: 0/63 constraints, PredecessorRefiner: 2925/1483 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 66 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 6/6 constraints. Problems are: Problem set: 66 solved, 2892 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4524 variables, and 6 constraints, problems are : Problem set: 66 solved, 2892 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 6/77 constraints, State Equation: 0/1559 constraints, ReadFeed: 0/63 constraints, PredecessorRefiner: 1442/1483 constraints, Known Traps: 0/0 constraints]
After SMT, in 81448ms problems are : Problem set: 66 solved, 2892 unsolved
Search for dead transitions found 66 dead transitions in 81498ms
Found 66 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 66 transitions
Dead transitions reduction (with SMT) removed 66 transitions
Starting structural reductions in LTL mode, iteration 1 : 1559/1559 places, 2899/2965 transitions.
Deduced a syphon composed of 33 places in 3 ms
Applied a total of 0 rules in 15 ms. Remains 1559 /1559 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 83922 ms. Remains : 1559/1559 places, 2899/2965 transitions.
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 0 transitions.
Support contains 1491 out of 1526 places after structural reductions.
[2024-06-07 11:42:25] [INFO ] Flatten gal took : 336 ms
[2024-06-07 11:42:26] [INFO ] Flatten gal took : 202 ms
[2024-06-07 11:42:26] [INFO ] Input system was already deterministic with 2899 transitions.
Reduction of identical properties reduced properties to check from 20 to 18
RANDOM walk for 40000 steps (8 resets) in 4407 ms. (9 steps per ms) remains 2/18 properties
BEST_FIRST walk for 40003 steps (8 resets) in 563 ms. (70 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 9207 ms. (4 steps per ms) remains 2/2 properties
// Phase 1: matrix 2899 rows 1526 cols
[2024-06-07 11:42:30] [INFO ] Computed 77 invariants in 30 ms
[2024-06-07 11:42:30] [INFO ] State equation strengthened by 11 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1488 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1488 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 38/1526 variables, 38/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/4425 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4425/4425 variables, and 1614 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2226 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1488 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-07 11:42:37] [INFO ] Deduced a trap composed of 144 places in 1213 ms of which 82 ms to minimize.
[2024-06-07 11:42:37] [INFO ] Deduced a trap composed of 231 places in 549 ms of which 6 ms to minimize.
[2024-06-07 11:42:38] [INFO ] Deduced a trap composed of 391 places in 1106 ms of which 10 ms to minimize.
[2024-06-07 11:42:40] [INFO ] Deduced a trap composed of 204 places in 812 ms of which 8 ms to minimize.
[2024-06-07 11:42:40] [INFO ] Deduced a trap composed of 279 places in 729 ms of which 20 ms to minimize.
SMT process timed out in 10088ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1488 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1526 transition count 2898
Applied a total of 1 rules in 494 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2899 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 494 ms. Remains : 1526/1526 places, 2898/2899 transitions.
RANDOM walk for 40000 steps (8 resets) in 2739 ms. (14 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 570 ms. (70 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 7198 ms. (5 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 223033 steps, run timeout after 6001 ms. (steps per millisecond=37 ) properties seen :0 out of 2
Probabilistic random walk after 223033 steps, saw 187917 distinct states, run finished after 6014 ms. (steps per millisecond=37 ) properties seen :0
// Phase 1: matrix 2898 rows 1526 cols
[2024-06-07 11:42:50] [INFO ] Computed 77 invariants in 20 ms
[2024-06-07 11:42:50] [INFO ] State equation strengthened by 10 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1488 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1488 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 38/1526 variables, 38/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4424/4424 variables, and 1613 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1965 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1488 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-07 11:42:56] [INFO ] Deduced a trap composed of 144 places in 1149 ms of which 9 ms to minimize.
[2024-06-07 11:42:57] [INFO ] Deduced a trap composed of 231 places in 531 ms of which 6 ms to minimize.
[2024-06-07 11:42:58] [INFO ] Deduced a trap composed of 391 places in 1086 ms of which 9 ms to minimize.
[2024-06-07 11:42:59] [INFO ] Deduced a trap composed of 204 places in 761 ms of which 7 ms to minimize.
[2024-06-07 11:42:59] [INFO ] Deduced a trap composed of 279 places in 647 ms of which 7 ms to minimize.
[2024-06-07 11:43:00] [INFO ] Deduced a trap composed of 204 places in 1021 ms of which 9 ms to minimize.
[2024-06-07 11:43:01] [INFO ] Deduced a trap composed of 144 places in 529 ms of which 6 ms to minimize.
[2024-06-07 11:43:02] [INFO ] Deduced a trap composed of 256 places in 1030 ms of which 10 ms to minimize.
[2024-06-07 11:43:03] [INFO ] Deduced a trap composed of 76 places in 990 ms of which 8 ms to minimize.
[2024-06-07 11:43:04] [INFO ] Deduced a trap composed of 76 places in 703 ms of which 6 ms to minimize.
[2024-06-07 11:43:05] [INFO ] Deduced a trap composed of 76 places in 1012 ms of which 10 ms to minimize.
[2024-06-07 11:43:06] [INFO ] Deduced a trap composed of 39 places in 954 ms of which 8 ms to minimize.
[2024-06-07 11:43:07] [INFO ] Deduced a trap composed of 175 places in 703 ms of which 7 ms to minimize.
[2024-06-07 11:43:07] [INFO ] Deduced a trap composed of 231 places in 552 ms of which 6 ms to minimize.
[2024-06-07 11:43:08] [INFO ] Deduced a trap composed of 111 places in 875 ms of which 7 ms to minimize.
[2024-06-07 11:43:09] [INFO ] Deduced a trap composed of 175 places in 926 ms of which 9 ms to minimize.
[2024-06-07 11:43:10] [INFO ] Deduced a trap composed of 111 places in 926 ms of which 9 ms to minimize.
[2024-06-07 11:43:11] [INFO ] Deduced a trap composed of 76 places in 851 ms of which 8 ms to minimize.
[2024-06-07 11:43:12] [INFO ] Deduced a trap composed of 204 places in 799 ms of which 7 ms to minimize.
[2024-06-07 11:43:13] [INFO ] Deduced a trap composed of 76 places in 918 ms of which 8 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1488 variables, 20/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-07 11:43:14] [INFO ] Deduced a trap composed of 375 places in 575 ms of which 6 ms to minimize.
[2024-06-07 11:43:15] [INFO ] Deduced a trap composed of 76 places in 690 ms of which 7 ms to minimize.
[2024-06-07 11:43:16] [INFO ] Deduced a trap composed of 76 places in 994 ms of which 10 ms to minimize.
[2024-06-07 11:43:17] [INFO ] Deduced a trap composed of 231 places in 1026 ms of which 9 ms to minimize.
[2024-06-07 11:43:18] [INFO ] Deduced a trap composed of 204 places in 920 ms of which 9 ms to minimize.
[2024-06-07 11:43:19] [INFO ] Deduced a trap composed of 76 places in 960 ms of which 9 ms to minimize.
[2024-06-07 11:43:20] [INFO ] Deduced a trap composed of 76 places in 842 ms of which 8 ms to minimize.
[2024-06-07 11:43:21] [INFO ] Deduced a trap composed of 76 places in 1039 ms of which 8 ms to minimize.
[2024-06-07 11:43:22] [INFO ] Deduced a trap composed of 144 places in 783 ms of which 8 ms to minimize.
[2024-06-07 11:43:23] [INFO ] Deduced a trap composed of 76 places in 926 ms of which 8 ms to minimize.
[2024-06-07 11:43:24] [INFO ] Deduced a trap composed of 144 places in 1000 ms of which 9 ms to minimize.
[2024-06-07 11:43:25] [INFO ] Deduced a trap composed of 175 places in 1048 ms of which 9 ms to minimize.
[2024-06-07 11:43:26] [INFO ] Deduced a trap composed of 256 places in 914 ms of which 8 ms to minimize.
[2024-06-07 11:43:27] [INFO ] Deduced a trap composed of 364 places in 957 ms of which 9 ms to minimize.
[2024-06-07 11:43:28] [INFO ] Deduced a trap composed of 204 places in 670 ms of which 8 ms to minimize.
[2024-06-07 11:43:29] [INFO ] Deduced a trap composed of 279 places in 908 ms of which 9 ms to minimize.
[2024-06-07 11:43:30] [INFO ] Deduced a trap composed of 300 places in 1040 ms of which 9 ms to minimize.
[2024-06-07 11:43:31] [INFO ] Deduced a trap composed of 76 places in 762 ms of which 7 ms to minimize.
[2024-06-07 11:43:32] [INFO ] Deduced a trap composed of 279 places in 1011 ms of which 9 ms to minimize.
[2024-06-07 11:43:33] [INFO ] Deduced a trap composed of 319 places in 863 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1488 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-07 11:43:34] [INFO ] Deduced a trap composed of 396 places in 736 ms of which 7 ms to minimize.
[2024-06-07 11:43:35] [INFO ] Deduced a trap composed of 144 places in 1043 ms of which 9 ms to minimize.
[2024-06-07 11:43:36] [INFO ] Deduced a trap composed of 351 places in 859 ms of which 11 ms to minimize.
[2024-06-07 11:43:37] [INFO ] Deduced a trap composed of 76 places in 950 ms of which 9 ms to minimize.
[2024-06-07 11:43:38] [INFO ] Deduced a trap composed of 111 places in 843 ms of which 8 ms to minimize.
[2024-06-07 11:43:39] [INFO ] Deduced a trap composed of 144 places in 830 ms of which 8 ms to minimize.
[2024-06-07 11:43:40] [INFO ] Deduced a trap composed of 231 places in 1093 ms of which 10 ms to minimize.
SMT process timed out in 49840ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1488 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 261 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 261 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 258 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
[2024-06-07 11:43:40] [INFO ] Invariant cache hit.
[2024-06-07 11:43:40] [INFO ] Implicit Places using invariants in 238 ms returned []
[2024-06-07 11:43:40] [INFO ] Invariant cache hit.
[2024-06-07 11:43:42] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-07 11:43:42] [INFO ] Implicit Places using invariants and state equation in 1293 ms returned []
Implicit Place search using SMT with State Equation took 1535 ms to find 0 implicit places.
[2024-06-07 11:43:42] [INFO ] Redundant transitions in 147 ms returned []
Running 2891 sub problems to find dead transitions.
[2024-06-07 11:43:42] [INFO ] Invariant cache hit.
[2024-06-07 11:43:42] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 2891/1449 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2891 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 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 Int declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 1442/1449 constraints, Known Traps: 0/0 constraints]
After SMT, in 81517ms problems are : Problem set: 0 solved, 2891 unsolved
Search for dead transitions found 0 dead transitions in 81578ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83530 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p1)&&p0)))'
Support contains 1450 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 12 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
// Phase 1: matrix 2899 rows 1526 cols
[2024-06-07 11:45:04] [INFO ] Computed 77 invariants in 23 ms
[2024-06-07 11:45:04] [INFO ] Implicit Places using invariants in 253 ms returned []
[2024-06-07 11:45:04] [INFO ] Invariant cache hit.
[2024-06-07 11:45:05] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:45:05] [INFO ] Implicit Places using invariants and state equation in 1304 ms returned []
Implicit Place search using SMT with State Equation took 1558 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:45:05] [INFO ] Invariant cache hit.
[2024-06-07 11:45:05] [INFO ] State equation strengthened by 11 read => feed constraints.
(s517 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 80844ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 80871ms
Finished structural reductions in LTL mode , in 1 iterations and 82450 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 3210 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 1 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-00 finished in 85936 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((!p0 U (p1||G(!p0)))))))'
Support contains 1488 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 9 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:46:30] [INFO ] Invariant cache hit.
[2024-06-07 11:46:30] [INFO ] Implicit Places using invariants in 234 ms returned []
[2024-06-07 11:46:30] [INFO ] Invariant cache hit.
[2024-06-07 11:46:31] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:46:31] [INFO ] Implicit Places using invariants and state equation in 1243 ms returned []
Implicit Place search using SMT with State Equation took 1479 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:46:31] [INFO ] Invariant cache hit.
[2024-06-07 11:46:31] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 81382ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 81408ms
Finished structural reductions in LTL mode , in 1 iterations and 82907 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-04
Product exploration timeout after 92660 steps with 0 reset in 10001 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 4 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-04 finished in 93088 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0)&&X(G(p1)))))))'
Support contains 71 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 125 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:48:03] [INFO ] Invariant cache hit.
[2024-06-07 11:48:04] [INFO ] Implicit Places using invariants in 1053 ms returned []
[2024-06-07 11:48:04] [INFO ] Invariant cache hit.
[2024-06-07 11:48:05] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:48:07] [INFO ] Implicit Places using invariants and state equation in 2988 ms returned []
Implicit Place search using SMT with State Equation took 4043 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:48:07] [INFO ] Invariant cache hit.
[2024-06-07 11:48:07] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82257ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82283ms
Finished structural reductions in LTL mode , in 1 iterations and 86458 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 270 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 3069 ms.
Product exploration explored 100000 steps with 0 reset in 3183 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 1370 ms. (29 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 350 ms. (113 steps per ms) remains 1/1 properties
[2024-06-07 11:49:37] [INFO ] Invariant cache hit.
[2024-06-07 11:49:37] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/4425 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4425/4425 variables, and 1614 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1186 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/4425 variables, 1/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4425 variables, 0/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/4425 variables, 0/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4425/4425 variables, and 1615 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1363 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2567ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 190 ms.
Support contains 33 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1526 transition count 2898
Applied a total of 1 rules in 6951 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2899 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6952 ms. Remains : 1526/1526 places, 2898/2899 transitions.
RANDOM walk for 40000 steps (8 resets) in 1651 ms. (24 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 258 ms. (154 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 439707 steps, run timeout after 3001 ms. (steps per millisecond=146 ) properties seen :0 out of 1
Probabilistic random walk after 439707 steps, saw 382939 distinct states, run finished after 3001 ms. (steps per millisecond=146 ) properties seen :0
// Phase 1: matrix 2898 rows 1526 cols
[2024-06-07 11:49:50] [INFO ] Computed 77 invariants in 20 ms
[2024-06-07 11:49:50] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4424/4424 variables, and 1613 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1119 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4424/4424 variables, and 1614 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1122 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2286ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 175 ms.
Support contains 33 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 5257 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5257 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 5222 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
[2024-06-07 11:50:03] [INFO ] Invariant cache hit.
[2024-06-07 11:50:04] [INFO ] Implicit Places using invariants in 1019 ms returned []
[2024-06-07 11:50:04] [INFO ] Invariant cache hit.
[2024-06-07 11:50:05] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-07 11:50:07] [INFO ] Implicit Places using invariants and state equation in 2721 ms returned []
Implicit Place search using SMT with State Equation took 3741 ms to find 0 implicit places.
[2024-06-07 11:50:07] [INFO ] Redundant transitions in 144 ms returned []
Running 2891 sub problems to find dead transitions.
[2024-06-07 11:50:07] [INFO ] Invariant cache hit.
[2024-06-07 11:50:07] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 2891/1449 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2891 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 1442/1449 constraints, Known Traps: 0/0 constraints]
After SMT, in 81658ms problems are : Problem set: 0 solved, 2891 unsolved
Search for dead transitions found 0 dead transitions in 81684ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90810 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F p0), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 1 factoid took 161 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 255 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 261 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
// Phase 1: matrix 2899 rows 1526 cols
[2024-06-07 11:51:29] [INFO ] Computed 77 invariants in 22 ms
[2024-06-07 11:51:31] [INFO ] [Real]Absence check using 77 positive place invariants in 181 ms returned sat
[2024-06-07 11:51:39] [INFO ] [Real]Absence check using state equation in 7858 ms returned sat
[2024-06-07 11:51:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-07 11:51:40] [INFO ] [Nat]Absence check using 77 positive place invariants in 231 ms returned sat
[2024-06-07 11:51:53] [INFO ] [Nat]Absence check using state equation in 13065 ms returned sat
[2024-06-07 11:51:53] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:51:53] [INFO ] [Nat]Added 11 Read/Feed constraints in 56 ms returned sat
[2024-06-07 11:51:54] [INFO ] Deduced a trap composed of 111 places in 96 ms of which 2 ms to minimize.
[2024-06-07 11:51:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 286 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:954)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:875)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:587)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:610)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:252)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-06-07 11:51:54] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Support contains 71 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 42 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:51:54] [INFO ] Invariant cache hit.
[2024-06-07 11:51:55] [INFO ] Implicit Places using invariants in 984 ms returned []
[2024-06-07 11:51:55] [INFO ] Invariant cache hit.
[2024-06-07 11:51:56] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:51:58] [INFO ] Implicit Places using invariants and state equation in 2888 ms returned []
Implicit Place search using SMT with State Equation took 3878 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:51:58] [INFO ] Invariant cache hit.
[2024-06-07 11:51:58] [INFO ] State equation strengthened by 11 read => feed constraints.
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(s576 0.0)
(s577 0.0)
(s578 0.0)
(s579 1.0)
(s580 0.0)
(s581 0.0)
(s582 0.0)
(s583 0.0)
(s584 0.0)
(s585 0.0)
(s586 0.0)
(s587 0.0)
(s588 0.0)
(s589 0.0)
(s590 0.0)
(s591 0.0)
(s592 0.0)
(s593 0.0)
(s594 0.0)
(s595 0.0)
(s596 0.0)
(s597 0.0)
(s598 0.0)
(s599 0.0)
(s600 0.0)
(s601 0.0)
(s602 0.0)
(s603 0.0)
(s604 0.0)
(s605 0.0)
(s606 0.0)
(s607 0.0)
(s608 0.0)
(s609 0.0)
(s610 0.0)
(s611 0.0)
(s612 0.0)
(s613 0.0)
(s614 0.0)
(s615 0.0)
(s616 1.0)
(s617 0.0)
(s618 0.0)
(s619 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82040ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82068ms
Finished structural reductions in LTL mode , in 1 iterations and 86000 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 84 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 1457 ms. (27 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 1/1 properties
[2024-06-07 11:53:21] [INFO ] Invariant cache hit.
[2024-06-07 11:53:21] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/4425 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/4425 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4425/4425 variables, and 1614 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1132 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/4425 variables, 1/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4425 variables, 0/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/4425 variables, 0/1615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4425/4425 variables, and 1615 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1352 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2497ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 185 ms.
Support contains 33 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1526 transition count 2898
Applied a total of 1 rules in 7050 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2899 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7051 ms. Remains : 1526/1526 places, 2898/2899 transitions.
RANDOM walk for 40000 steps (8 resets) in 1530 ms. (26 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 434463 steps, run timeout after 3001 ms. (steps per millisecond=144 ) properties seen :0 out of 1
Probabilistic random walk after 434463 steps, saw 378188 distinct states, run finished after 3001 ms. (steps per millisecond=144 ) properties seen :0
// Phase 1: matrix 2898 rows 1526 cols
[2024-06-07 11:53:34] [INFO ] Computed 77 invariants in 17 ms
[2024-06-07 11:53:34] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/4424 variables, 0/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4424/4424 variables, and 1613 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1132 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1456/1489 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1489 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/1526 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1526 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2898/4424 variables, 1526/1603 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4424 variables, 10/1613 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4424 variables, 1/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/4424 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4424/4424 variables, and 1614 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1162 ms.
Refiners :[Positive P Invariants (semi-flows): 77/77 constraints, State Equation: 1526/1526 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 2328ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 184 ms.
Support contains 33 out of 1526 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 5335 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5337 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1526/1526 places, 2898/2898 transitions.
Applied a total of 0 rules in 5342 ms. Remains 1526 /1526 variables (removed 0) and now considering 2898/2898 (removed 0) transitions.
[2024-06-07 11:53:47] [INFO ] Invariant cache hit.
[2024-06-07 11:53:48] [INFO ] Implicit Places using invariants in 1008 ms returned []
[2024-06-07 11:53:48] [INFO ] Invariant cache hit.
[2024-06-07 11:53:49] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-07 11:53:51] [INFO ] Implicit Places using invariants and state equation in 2660 ms returned []
Implicit Place search using SMT with State Equation took 3671 ms to find 0 implicit places.
[2024-06-07 11:53:51] [INFO ] Redundant transitions in 83 ms returned []
Running 2891 sub problems to find dead transitions.
[2024-06-07 11:53:51] [INFO ] Invariant cache hit.
[2024-06-07 11:53:51] [INFO ] State equation strengthened by 10 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 2891/1449 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2891 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1519 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2891 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1519/4424 variables, and 64 constraints, problems are : Problem set: 0 solved, 2891 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 64/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 1442/1449 constraints, Known Traps: 0/0 constraints]
After SMT, in 82229ms problems are : Problem set: 0 solved, 2891 unsolved
Search for dead transitions found 0 dead transitions in 82255ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91364 ms. Remains : 1526/1526 places, 2898/2898 transitions.
Knowledge obtained : [(AND p1 (NOT p0))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F p0), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 1 factoid took 164 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 240 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 247 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
// Phase 1: matrix 2899 rows 1526 cols
[2024-06-07 11:55:14] [INFO ] Computed 77 invariants in 21 ms
[2024-06-07 11:55:15] [INFO ] [Real]Absence check using 77 positive place invariants in 173 ms returned sat
[2024-06-07 11:55:23] [INFO ] [Real]Absence check using state equation in 7607 ms returned sat
[2024-06-07 11:55:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-07 11:55:24] [INFO ] [Nat]Absence check using 77 positive place invariants in 237 ms returned sat
[2024-06-07 11:55:38] [INFO ] [Nat]Absence check using state equation in 13213 ms returned sat
[2024-06-07 11:55:38] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:55:38] [INFO ] [Nat]Added 11 Read/Feed constraints in 53 ms returned sat
[2024-06-07 11:55:38] [INFO ] Deduced a trap composed of 111 places in 102 ms of which 2 ms to minimize.
[2024-06-07 11:55:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 293 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:954)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:875)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:587)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:610)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:262)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-06-07 11:55:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 260 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 3111 ms.
Product exploration explored 100000 steps with 0 reset in 3278 ms.
Applying partial POR strategy [true, false, true, false, false, true, false]
Stuttering acceptance computed with spot in 243 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Support contains 71 out of 1526 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 647 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:55:46] [INFO ] Redundant transitions in 83 ms returned []
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:55:46] [INFO ] Invariant cache hit.
[2024-06-07 11:55:46] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 83177ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 83203ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 83950 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Support contains 71 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 42 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:57:09] [INFO ] Invariant cache hit.
[2024-06-07 11:57:10] [INFO ] Implicit Places using invariants in 993 ms returned []
[2024-06-07 11:57:10] [INFO ] Invariant cache hit.
[2024-06-07 11:57:11] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:57:13] [INFO ] Implicit Places using invariants and state equation in 2871 ms returned []
Implicit Place search using SMT with State Equation took 3866 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:57:13] [INFO ] Invariant cache hit.
[2024-06-07 11:57:13] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 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 Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82779ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82806ms
Finished structural reductions in LTL mode , in 1 iterations and 86722 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Treatment of property BlocksWorld-PT-07-LTLFireability-05 finished in 633450 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(!p1)||p0)))'
Support contains 71 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 42 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 11:58:36] [INFO ] Invariant cache hit.
[2024-06-07 11:58:37] [INFO ] Implicit Places using invariants in 991 ms returned []
[2024-06-07 11:58:37] [INFO ] Invariant cache hit.
[2024-06-07 11:58:38] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 11:58:40] [INFO ] Implicit Places using invariants and state equation in 2868 ms returned []
Implicit Place search using SMT with State Equation took 3865 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 11:58:40] [INFO ] Invariant cache hit.
[2024-06-07 11:58:40] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 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 Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 81909ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 81935ms
Finished structural reductions in LTL mode , in 1 iterations and 85849 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 119 ms :[true, (AND p1 (NOT p0)), p1, (AND p1 (NOT p0))]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 779 ms.
Product exploration explored 100000 steps with 50000 reset in 724 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 86 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BlocksWorld-PT-07-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-07-LTLFireability-06 finished in 87598 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))&&F((p1&&X(X(p2))))))'
Support contains 109 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 46 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:00:04] [INFO ] Invariant cache hit.
[2024-06-07 12:00:05] [INFO ] Implicit Places using invariants in 882 ms returned []
[2024-06-07 12:00:05] [INFO ] Invariant cache hit.
[2024-06-07 12:00:06] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:00:08] [INFO ] Implicit Places using invariants and state equation in 2736 ms returned []
Implicit Place search using SMT with State Equation took 3619 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:00:08] [INFO ] Invariant cache hit.
[2024-06-07 12:00:08] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82216ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82241ms
Finished structural reductions in LTL mode , in 1 iterations and 85916 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 296 ms :[p0, (OR (NOT p2) p0), (OR (NOT p2) p0), (OR (NOT p2) p0), true, (OR (NOT p1) (NOT p2) p0), (OR (NOT p1) (NOT p2) p0)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-07 finished in 86247 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((X((G(p1)&&p0))&&(X(G(p3))||p2)))))'
Support contains 9 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 49 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:01:30] [INFO ] Invariant cache hit.
[2024-06-07 12:01:31] [INFO ] Implicit Places using invariants in 889 ms returned []
[2024-06-07 12:01:31] [INFO ] Invariant cache hit.
[2024-06-07 12:01:32] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:01:34] [INFO ] Implicit Places using invariants and state equation in 2744 ms returned []
Implicit Place search using SMT with State Equation took 3634 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:01:34] [INFO ] Invariant cache hit.
[2024-06-07 12:01:34] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82309ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82336ms
Finished structural reductions in LTL mode , in 1 iterations and 86027 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 346 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)))]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 3139 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 1 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-09 finished in 89546 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 1 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 42 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:03:00] [INFO ] Invariant cache hit.
[2024-06-07 12:03:01] [INFO ] Implicit Places using invariants in 1062 ms returned []
[2024-06-07 12:03:01] [INFO ] Invariant cache hit.
[2024-06-07 12:03:02] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:03:04] [INFO ] Implicit Places using invariants and state equation in 2931 ms returned []
Implicit Place search using SMT with State Equation took 3994 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:03:04] [INFO ] Invariant cache hit.
[2024-06-07 12:03:04] [INFO ] State equation strengthened by 11 read => feed constraints.
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82970ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82996ms
Finished structural reductions in LTL mode , in 1 iterations and 87041 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-11
Product exploration explored 100000 steps with 233 reset in 3182 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-11 finished in 90359 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))||(!p1 U (G(!p1)||(!p1&&(p2||X(!p3))))))))'
Support contains 38 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 42 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:04:30] [INFO ] Invariant cache hit.
[2024-06-07 12:04:31] [INFO ] Implicit Places using invariants in 1007 ms returned []
[2024-06-07 12:04:31] [INFO ] Invariant cache hit.
[2024-06-07 12:04:32] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:04:34] [INFO ] Implicit Places using invariants and state equation in 2916 ms returned []
Implicit Place search using SMT with State Equation took 3924 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:04:34] [INFO ] Invariant cache hit.
[2024-06-07 12:04:34] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 81980ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82007ms
Finished structural reductions in LTL mode , in 1 iterations and 85982 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1 p3)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 680 ms.
Product exploration explored 100000 steps with 50000 reset in 646 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2 (NOT p3)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT p1)), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (AND p1 p3 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1) p3 (NOT p0))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 19 ms. Reduced automaton from 4 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BlocksWorld-PT-07-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-07-LTLFireability-12 finished in 87544 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||F(p1)))))'
Support contains 34 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 49 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:05:58] [INFO ] Invariant cache hit.
[2024-06-07 12:05:59] [INFO ] Implicit Places using invariants in 1058 ms returned []
[2024-06-07 12:05:59] [INFO ] Invariant cache hit.
[2024-06-07 12:06:00] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:06:02] [INFO ] Implicit Places using invariants and state equation in 3029 ms returned []
Implicit Place search using SMT with State Equation took 4089 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:06:02] [INFO ] Invariant cache hit.
[2024-06-07 12:06:02] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82600ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82626ms
Finished structural reductions in LTL mode , in 1 iterations and 86773 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 156 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-13
Product exploration explored 100000 steps with 543 reset in 2983 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-13 finished in 89938 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G((F(!p0)||X(G(!p1))))))'
Support contains 3 out of 1526 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 55 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:07:28] [INFO ] Invariant cache hit.
[2024-06-07 12:07:29] [INFO ] Implicit Places using invariants in 1047 ms returned []
[2024-06-07 12:07:29] [INFO ] Invariant cache hit.
[2024-06-07 12:07:30] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:07:32] [INFO ] Implicit Places using invariants and state equation in 2881 ms returned []
Implicit Place search using SMT with State Equation took 3930 ms to find 0 implicit places.
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:07:32] [INFO ] Invariant cache hit.
[2024-06-07 12:07:32] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 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 Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 82001ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 82029ms
Finished structural reductions in LTL mode , in 1 iterations and 86022 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 249 ms :[(AND p0 p1), (AND p0 p1), (AND p0 p1), (AND p0 p1), false, p0]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-14
Product exploration explored 100000 steps with 138 reset in 3127 ms.
Product exploration explored 100000 steps with 150 reset in 3173 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 94 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND p0 p1), (AND p0 p1), (AND p0 p1), p0]
RANDOM walk for 40000 steps (8 resets) in 1398 ms. (28 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 1/1 properties
[2024-06-07 12:09:01] [INFO ] Invariant cache hit.
[2024-06-07 12:09:01] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 225/4425 variables, and 6 constraints, problems are : Problem set: 1 solved, 0 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 6/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 53ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0)]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 11 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BlocksWorld-PT-07-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-07-LTLFireability-14 finished in 93419 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 1526 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1526/1526 places, 2899/2899 transitions.
Applied a total of 0 rules in 233 ms. Remains 1526 /1526 variables (removed 0) and now considering 2899/2899 (removed 0) transitions.
[2024-06-07 12:09:01] [INFO ] Invariant cache hit.
[2024-06-07 12:09:02] [INFO ] Implicit Places using invariants in 886 ms returned []
[2024-06-07 12:09:02] [INFO ] Invariant cache hit.
[2024-06-07 12:09:03] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-07 12:09:05] [INFO ] Implicit Places using invariants and state equation in 2568 ms returned []
Implicit Place search using SMT with State Equation took 3456 ms to find 0 implicit places.
[2024-06-07 12:09:05] [INFO ] Redundant transitions in 83 ms returned []
Running 2892 sub problems to find dead transitions.
[2024-06-07 12:09:05] [INFO ] Invariant cache hit.
[2024-06-07 12:09:05] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 2892/1450 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2892 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 66/66 constraints. Problems are: Problem set: 0 solved, 2892 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/4425 variables, and 66 constraints, problems are : Problem set: 0 solved, 2892 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 66/77 constraints, State Equation: 0/1526 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1442/1450 constraints, Known Traps: 0/0 constraints]
After SMT, in 83198ms problems are : Problem set: 0 solved, 2892 unsolved
Search for dead transitions found 0 dead transitions in 83224ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 87016 ms. Remains : 1526/1526 places, 2899/2899 transitions.
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BlocksWorld-PT-07-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 3098 ms.
Stack based approach found an accepted trace after 378 steps with 0 reset with depth 379 and stack size 329 in 14 ms.
FORMULA BlocksWorld-PT-07-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-07-LTLFireability-15 finished in 90266 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0)&&X(G(p1)))))))'
[2024-06-07 12:10:31] [INFO ] Flatten gal took : 109 ms
[2024-06-07 12:10:31] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-07 12:10:31] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1526 places, 2899 transitions and 14480 arcs took 16 ms.
Total runtime 1771594 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BlocksWorld-PT-07

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/408/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1526
TRANSITIONS: 2899
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.077s, Sys 0.005s]

SAVING FILE /home/mcc/execution/408/model (.net / .def) ...
EXPORT TIME: [User 0.010s, 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: 1621
MODEL NAME: /home/mcc/execution/408/model
1526 places, 2899 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

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 LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BlocksWorld-PT-07"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is BlocksWorld-PT-07, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r601-tall-171774424000212"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-07.tgz
mv BlocksWorld-PT-07 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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