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-171774423900204.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-06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r601-tall-171774423900204
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 253K Jun 7 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.2M Jun 7 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 378K Jun 7 06:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.1M Jun 7 06:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 23K Jun 7 06:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Jun 7 06:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 149K Jun 7 06:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 627K Jun 7 06:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 7 06:26 NewModel
-rw-r--r-- 1 mcc users 689K Jun 7 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 3.2M Jun 7 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 817K Jun 7 06:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 4.5M Jun 7 06:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 35K Jun 7 06:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 86K 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 1.1M 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-06-LTLFireability-00
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-01
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-02
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-03
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-04
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-05
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-06
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-07
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-08
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-09
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-10
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-11
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-12
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-13
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-14
FORMULA_NAME BlocksWorld-PT-06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717756974191

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-06
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-06-07 10:42:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-07 10:42:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-07 10:42:55] [INFO ] Load time of PNML (sax parser for PT used): 190 ms
[2024-06-07 10:42:55] [INFO ] Transformed 1189 places.
[2024-06-07 10:42:55] [INFO ] Transformed 2245 transitions.
[2024-06-07 10:42:55] [INFO ] Found NUPN structural information;
[2024-06-07 10:42:55] [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]
[2024-06-07 10:42:55] [INFO ] Parsed PT model containing 1189 places and 2245 transitions and 11210 arcs in 307 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 44 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA BlocksWorld-PT-06-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-06-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-06-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-06-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-06-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 135 out of 1189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1189/1189 places, 2245/2245 transitions.
Applied a total of 0 rules in 148 ms. Remains 1189 /1189 variables (removed 0) and now considering 2245/2245 (removed 0) transitions.
// Phase 1: matrix 2245 rows 1189 cols
[2024-06-07 10:42:56] [INFO ] Computed 67 invariants in 50 ms
[2024-06-07 10:42:57] [INFO ] Implicit Places using invariants in 1079 ms returned []
[2024-06-07 10:42:57] [INFO ] Invariant cache hit.
[2024-06-07 10:42:58] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-07 10:42:59] [INFO ] Implicit Places using invariants and state equation in 2375 ms returned []
Implicit Place search using SMT with State Equation took 3484 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2024-06-07 10:42:59] [INFO ] Invariant cache hit.
[2024-06-07 10:42:59] [INFO ] State equation strengthened by 59 read => feed constraints.
Problem TDEAD1 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD542 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD644 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD712 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD814 is UNSAT
Problem TDEAD848 is UNSAT
Problem TDEAD882 is UNSAT
Problem TDEAD916 is UNSAT
Problem TDEAD984 is UNSAT
Problem TDEAD1018 is UNSAT
Problem TDEAD1052 is UNSAT
Problem TDEAD1086 is UNSAT
Problem TDEAD1120 is UNSAT
Problem TDEAD1188 is UNSAT
Problem TDEAD1252 is UNSAT
Problem TDEAD1314 is UNSAT
Problem TDEAD1374 is UNSAT
Problem TDEAD1432 is UNSAT
Problem TDEAD1488 is UNSAT
Problem TDEAD1542 is UNSAT
Problem TDEAD1644 is UNSAT
Problem TDEAD1692 is UNSAT
Problem TDEAD1738 is UNSAT
Problem TDEAD1782 is UNSAT
Problem TDEAD1824 is UNSAT
Problem TDEAD1864 is UNSAT
Problem TDEAD1902 is UNSAT
Problem TDEAD1938 is UNSAT
Problem TDEAD1972 is UNSAT
Problem TDEAD2004 is UNSAT
Problem TDEAD2034 is UNSAT
Problem TDEAD2062 is UNSAT
Problem TDEAD2088 is UNSAT
Problem TDEAD2112 is UNSAT
Problem TDEAD2134 is UNSAT
Problem TDEAD2154 is UNSAT
Problem TDEAD2172 is UNSAT
Problem TDEAD2202 is UNSAT
Problem TDEAD2214 is UNSAT
Problem TDEAD2224 is UNSAT
Problem TDEAD2232 is UNSAT
Problem TDEAD2238 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/1185 variables, 60/60 constraints. Problems are: Problem set: 60 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1185/3434 variables, and 60 constraints, problems are : Problem set: 60 solved, 2181 unsolved in 30099 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1189 constraints, ReadFeed: 0/59 constraints, PredecessorRefiner: 2211/1123 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 60 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 4/4 constraints. Problems are: Problem set: 60 solved, 2181 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 1155/3434 variables, and 4 constraints, problems are : Problem set: 60 solved, 2181 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 4/67 constraints, State Equation: 0/1189 constraints, ReadFeed: 0/59 constraints, PredecessorRefiner: 1088/1123 constraints, Known Traps: 0/0 constraints]
After SMT, in 77977ms problems are : Problem set: 60 solved, 2181 unsolved
Search for dead transitions found 60 dead transitions in 78017ms
Found 60 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 60 transitions
Dead transitions reduction (with SMT) removed 60 transitions
Starting structural reductions in LTL mode, iteration 1 : 1189/1189 places, 2185/2245 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 1159 transition count 2185
Applied a total of 30 rules in 42 ms. Remains 1159 /1189 variables (removed 30) and now considering 2185/2185 (removed 0) transitions.
// Phase 1: matrix 2185 rows 1159 cols
[2024-06-07 10:44:17] [INFO ] Computed 67 invariants in 22 ms
[2024-06-07 10:44:18] [INFO ] Implicit Places using invariants in 652 ms returned []
[2024-06-07 10:44:18] [INFO ] Invariant cache hit.
[2024-06-07 10:44:19] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:44:20] [INFO ] Implicit Places using invariants and state equation in 1621 ms returned []
Implicit Place search using SMT with State Equation took 2277 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 1159/1189 places, 2185/2245 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 84004 ms. Remains : 1159/1189 places, 2185/2245 transitions.
Support contains 135 out of 1159 places after structural reductions.
[2024-06-07 10:44:20] [INFO ] Flatten gal took : 262 ms
[2024-06-07 10:44:20] [INFO ] Flatten gal took : 182 ms
[2024-06-07 10:44:21] [INFO ] Input system was already deterministic with 2185 transitions.
Reduction of identical properties reduced properties to check from 22 to 19
RANDOM walk for 40000 steps (8 resets) in 3008 ms. (13 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 388 ms. (102 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 471 ms. (84 steps per ms) remains 2/2 properties
[2024-06-07 10:44:22] [INFO ] Invariant cache hit.
[2024-06-07 10:44:22] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp13 is UNSAT
At refinement iteration 1 (OVERLAPS) 1092/1124 variables, 57/57 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1124 variables, 0/57 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/1159 variables, 10/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/3344 variables, 1/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3344/3344 variables, and 1233 constraints, problems are : Problem set: 1 solved, 1 unsolved in 938 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/3344 variables, 1/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3344/3344 variables, and 1234 constraints, problems are : Problem set: 1 solved, 1 unsolved in 890 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1884ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 195 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2185/2185 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 1159 transition count 2184
Applied a total of 1 rules in 4528 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2185 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4528 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1230 ms. (32 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 518784 steps, run timeout after 3001 ms. (steps per millisecond=172 ) properties seen :0 out of 1
Probabilistic random walk after 518784 steps, saw 451663 distinct states, run finished after 3004 ms. (steps per millisecond=172 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 10:44:32] [INFO ] Computed 67 invariants in 24 ms
[2024-06-07 10:44:32] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3343/3343 variables, and 1232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 860 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3343/3343 variables, and 1233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 823 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1729ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 125 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3162 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3162 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3372 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 10:44:41] [INFO ] Invariant cache hit.
[2024-06-07 10:44:41] [INFO ] Implicit Places using invariants in 777 ms returned []
[2024-06-07 10:44:41] [INFO ] Invariant cache hit.
[2024-06-07 10:44:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 10:44:43] [INFO ] Implicit Places using invariants and state equation in 1874 ms returned []
Implicit Place search using SMT with State Equation took 2652 ms to find 0 implicit places.
[2024-06-07 10:44:44] [INFO ] Redundant transitions in 142 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 10:44:44] [INFO ] Invariant cache hit.
[2024-06-07 10:44:44] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 2180/1092 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2180 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 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 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 1088/1092 constraints, Known Traps: 0/0 constraints]
After SMT, in 78299ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 78324ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84505 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
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' '!(X(G((X(p1)||p0))))'
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 26 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
// Phase 1: matrix 2185 rows 1159 cols
[2024-06-07 10:46:02] [INFO ] Computed 67 invariants in 14 ms
[2024-06-07 10:46:03] [INFO ] Implicit Places using invariants in 686 ms returned []
[2024-06-07 10:46:03] [INFO ] Invariant cache hit.
[2024-06-07 10:46:04] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:46:05] [INFO ] Implicit Places using invariants and state equation in 1879 ms returned []
Implicit Place search using SMT with State Equation took 2568 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:46:05] [INFO ] Invariant cache hit.
[2024-06-07 10:46:05] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:46:54] [INFO ] Deduced a trap composed of 66 places in 206 ms of which 22 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76523ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76553ms
Finished structural reductions in LTL mode , in 1 iterations and 79157 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 231 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 9275 ms.
Product exploration explored 100000 steps with 0 reset in 9331 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 p1) (NOT p0)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 97 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 4 to 2
RANDOM walk for 40000 steps (8 resets) in 4860 ms. (8 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 9118 ms. (4 steps per ms) remains 1/1 properties
[2024-06-07 10:47:44] [INFO ] Invariant cache hit.
[2024-06-07 10:47:44] [INFO ] State equation strengthened by 7 read => feed constraints.
Problem apf2 is UNSAT
After SMT solving in domain Real declared 66/3344 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 0/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 2262ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 7 factoid took 201 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 152 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 10:47:53] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 29 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:48:08] [INFO ] Invariant cache hit.
[2024-06-07 10:48:09] [INFO ] Implicit Places using invariants in 661 ms returned []
[2024-06-07 10:48:09] [INFO ] Invariant cache hit.
[2024-06-07 10:48:09] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:48:10] [INFO ] Implicit Places using invariants and state equation in 1840 ms returned []
Implicit Place search using SMT with State Equation took 2503 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:48:10] [INFO ] Invariant cache hit.
[2024-06-07 10:48:11] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:49:00] [INFO ] Deduced a trap composed of 66 places in 162 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76356ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76376ms
Finished structural reductions in LTL mode , in 1 iterations and 78914 ms. Remains : 1159/1159 places, 2185/2185 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 (NOT p1) (NOT p0)), (X p0), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 74 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 2 to 1
RANDOM walk for 4 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1)]
Knowledge based reduction with 4 factoid took 158 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 142 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 10:49:33] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:828)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:584)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
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 10:49:48] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (AND (NOT p1) (NOT p0))
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8661 ms.
Product exploration explored 100000 steps with 0 reset in 8722 ms.
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 36 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:50:05] [INFO ] Invariant cache hit.
[2024-06-07 10:50:06] [INFO ] Implicit Places using invariants in 634 ms returned []
[2024-06-07 10:50:06] [INFO ] Invariant cache hit.
[2024-06-07 10:50:07] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:50:08] [INFO ] Implicit Places using invariants and state equation in 1797 ms returned []
Implicit Place search using SMT with State Equation took 2441 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:50:08] [INFO ] Invariant cache hit.
[2024-06-07 10:50:08] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:50:57] [INFO ] Deduced a trap composed of 66 places in 158 ms of which 4 ms to minimize.
(s51 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 0)
(s4 1)
(s5 0)
(s6 0)
(s7 1)
(s8 0)
(s9 0)
(s10 1)
(s11 0)
(s12 0)
(s13 1)
(s14 0)
(s15 0)
(s16 1)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 1)
(s22 1)
(s23 0)
(s24 0)
(s25 1)
(s26 0)
(s27 0)
(s28 1)
(s29 1)
(s30 0)
(s31 1)
(s32 0)
(s33 0)
(s34 1)
(s35 0)
(s36 0)
(s37 1)
(s38 0)
(s39 0)
(s40 1)
(s41 0)
(s42 0)
(s43 1)
(s44 0)
(s45 0)
(s46 1)
(s47 1)
(s48 0)
(s49 1)
(s50 0)
(s51 0timeout
) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76133ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76152ms
Finished structural reductions in LTL mode , in 1 iterations and 78636 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-00 finished in 322087 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(F(p1))||p0))))'
Support contains 100 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 561 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:51:25] [INFO ] Invariant cache hit.
[2024-06-07 10:51:25] [INFO ] Implicit Places using invariants in 575 ms returned []
[2024-06-07 10:51:25] [INFO ] Invariant cache hit.
[2024-06-07 10:51:26] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:51:27] [INFO ] Implicit Places using invariants and state equation in 1607 ms returned []
Implicit Place search using SMT with State Equation took 2184 ms to find 0 implicit places.
[2024-06-07 10:51:27] [INFO ] Redundant transitions in 97 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:51:27] [INFO ] Invariant cache hit.
[2024-06-07 10:51:27] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:52:16] [INFO ] Deduced a trap composed of 66 places in 154 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 75952ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75972ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 78824 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-01
Product exploration explored 100000 steps with 6698 reset in 1882 ms.
Product exploration explored 100000 steps with 6677 reset in 1873 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)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 5 factoid took 164 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 16 steps (0 resets) in 6 ms. (2 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (OR p0 p1))), (F p1), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 283 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 100 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 138 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:52:48] [INFO ] Invariant cache hit.
[2024-06-07 10:52:48] [INFO ] Implicit Places using invariants in 503 ms returned []
[2024-06-07 10:52:48] [INFO ] Invariant cache hit.
[2024-06-07 10:52:49] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:52:50] [INFO ] Implicit Places using invariants and state equation in 1551 ms returned []
Implicit Place search using SMT with State Equation took 2058 ms to find 0 implicit places.
[2024-06-07 10:52:50] [INFO ] Redundant transitions in 43 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:52:50] [INFO ] Invariant cache hit.
[2024-06-07 10:52:50] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:53:38] [INFO ] Deduced a trap composed of 66 places in 153 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 75189ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75207ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77457 ms. Remains : 1159/1159 places, 2185/2185 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 p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 5 factoid took 290 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40 steps (0 resets) in 9 ms. (4 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (OR p0 p1))), (F p1), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 317 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 90 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 6849 reset in 1954 ms.
Product exploration explored 100000 steps with 6777 reset in 1990 ms.
Support contains 100 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 136 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:54:10] [INFO ] Invariant cache hit.
[2024-06-07 10:54:11] [INFO ] Implicit Places using invariants in 570 ms returned []
[2024-06-07 10:54:11] [INFO ] Invariant cache hit.
[2024-06-07 10:54:12] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:54:13] [INFO ] Implicit Places using invariants and state equation in 1721 ms returned []
Implicit Place search using SMT with State Equation took 2295 ms to find 0 implicit places.
[2024-06-07 10:54:13] [INFO ] Redundant transitions in 43 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:54:13] [INFO ] Invariant cache hit.
[2024-06-07 10:54:13] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:55:01] [INFO ] Deduced a trap composed of 66 places in 150 ms of which 2 ms to minimize.
(s757 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 0)
(s4 1)
(s5 0)
(s6 0)
(s7 1)
(s8 0)
(s9 0)
(s10 1)
(s11 0)
(s12 0)
(s13 1)
(s14 0)
(s15 0)
(s16 1)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 1)
(s22 1)
(s23 0)
(s24 0)
(s25 1)
(s26 0)
(s27 0)
(s28 1)
(s29 1)
(s30 0)
(s31 1)
(s32 0)
(s33 0)
(s34 1)
(s35 0)
(s36 0)
(s37 1)
(s38 0)
(s39 0)
(s40 1)
(s41 0)
(s42 0)
(s43 1)
(s44 0)
(s45 0)
(s46 1)
(s47 1)
(s48 0)
(s49 1)
(s50 0)
(s51 0)
(s52 1)
(s53 0)
(s54 0)
(s55 1)
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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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 75225ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75248ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77736 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-01 finished in 243711 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(F(p1))&&p0))))'
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 26 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:55:28] [INFO ] Invariant cache hit.
[2024-06-07 10:55:29] [INFO ] Implicit Places using invariants in 605 ms returned []
[2024-06-07 10:55:29] [INFO ] Invariant cache hit.
[2024-06-07 10:55:29] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:55:30] [INFO ] Implicit Places using invariants and state equation in 1804 ms returned []
Implicit Place search using SMT with State Equation took 2412 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:55:30] [INFO ] Invariant cache hit.
[2024-06-07 10:55:30] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:56:19] [INFO ] Deduced a trap composed of 66 places in 162 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 75278ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75298ms
Finished structural reductions in LTL mode , in 1 iterations and 77742 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-03
Product exploration explored 100000 steps with 25000 reset in 1591 ms.
Product exploration explored 100000 steps with 25000 reset in 1581 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 p1) p0), (X (NOT p0)), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 77 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p0)), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 110 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 136 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 10:56:51] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 28 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:57:06] [INFO ] Invariant cache hit.
[2024-06-07 10:57:07] [INFO ] Implicit Places using invariants in 651 ms returned []
[2024-06-07 10:57:07] [INFO ] Invariant cache hit.
[2024-06-07 10:57:08] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 10:57:09] [INFO ] Implicit Places using invariants and state equation in 1878 ms returned []
Implicit Place search using SMT with State Equation took 2532 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:57:09] [INFO ] Invariant cache hit.
[2024-06-07 10:57:09] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:57:58] [INFO ] Deduced a trap composed of 66 places in 145 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76829ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76851ms
Finished structural reductions in LTL mode , in 1 iterations and 79417 ms. Remains : 1159/1159 places, 2185/2185 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 : [(NOT p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 69 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 1 factoid took 94 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 153 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 10:58:29] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 143 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 25000 reset in 1585 ms.
Product exploration explored 100000 steps with 25000 reset in 1613 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 136 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 283 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 10:58:48] [INFO ] Redundant transitions in 44 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 10:58:48] [INFO ] Invariant cache hit.
[2024-06-07 10:58:48] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 10:59:38] [INFO ] Deduced a trap composed of 66 places in 162 ms of which 2 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
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(s422 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77210ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77231ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77577 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 25 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:00:05] [INFO ] Invariant cache hit.
[2024-06-07 11:00:06] [INFO ] Implicit Places using invariants in 612 ms returned []
[2024-06-07 11:00:06] [INFO ] Invariant cache hit.
[2024-06-07 11:00:06] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:00:07] [INFO ] Implicit Places using invariants and state equation in 1818 ms returned []
Implicit Place search using SMT with State Equation took 2433 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:00:07] [INFO ] Invariant cache hit.
[2024-06-07 11:00:07] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:00:57] [INFO ] Deduced a trap composed of 66 places in 151 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76860ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76884ms
Finished structural reductions in LTL mode , in 1 iterations and 79350 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-03 finished in 356488 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!p0)||G(p1)))'
Support contains 100 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 28 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:01:25] [INFO ] Invariant cache hit.
[2024-06-07 11:01:25] [INFO ] Implicit Places using invariants in 525 ms returned []
[2024-06-07 11:01:25] [INFO ] Invariant cache hit.
[2024-06-07 11:01:26] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:01:27] [INFO ] Implicit Places using invariants and state equation in 1648 ms returned []
Implicit Place search using SMT with State Equation took 2174 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:01:27] [INFO ] Invariant cache hit.
[2024-06-07 11:01:27] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:02:16] [INFO ] Deduced a trap composed of 66 places in 152 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76943ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76962ms
Finished structural reductions in LTL mode , in 1 iterations and 79170 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 167 ms :[true, p0, (AND p0 (NOT p1)), (AND (NOT p1) p0), (NOT p1)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-05 finished in 79364 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((X(p1)&&p0))))'
Support contains 37 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 29 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:02:44] [INFO ] Invariant cache hit.
[2024-06-07 11:02:44] [INFO ] Implicit Places using invariants in 614 ms returned []
[2024-06-07 11:02:44] [INFO ] Invariant cache hit.
[2024-06-07 11:02:45] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:02:46] [INFO ] Implicit Places using invariants and state equation in 1693 ms returned []
Implicit Place search using SMT with State Equation took 2310 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:02:46] [INFO ] Invariant cache hit.
[2024-06-07 11:02:46] [INFO ] State equation strengthened by 7 read => feed constraints.
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:03:36] [INFO ] Deduced a trap composed of 66 places in 151 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76909ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76929ms
Finished structural reductions in LTL mode , in 1 iterations and 79274 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 119 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-08 finished in 79411 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((!p0||X(F(!p1))) U (G((!p0||X(F(!p1))))||(!p2&&(!p0||X(F(!p1)))))))))'
Support contains 7 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 34 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:04:03] [INFO ] Invariant cache hit.
[2024-06-07 11:04:04] [INFO ] Implicit Places using invariants in 644 ms returned []
[2024-06-07 11:04:04] [INFO ] Invariant cache hit.
[2024-06-07 11:04:05] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:04:06] [INFO ] Implicit Places using invariants and state equation in 1802 ms returned []
Implicit Place search using SMT with State Equation took 2446 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:04:06] [INFO ] Invariant cache hit.
[2024-06-07 11:04:06] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:04:56] [INFO ] Deduced a trap composed of 66 places in 144 ms of which 3 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77080ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77100ms
Finished structural reductions in LTL mode , in 1 iterations and 79591 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND p0 p1), (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 478 ms.
Product exploration explored 100000 steps with 50000 reset in 531 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 p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 15 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BlocksWorld-PT-06-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-06-LTLFireability-10 finished in 80769 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 135 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:05:24] [INFO ] Invariant cache hit.
[2024-06-07 11:05:25] [INFO ] Implicit Places using invariants in 757 ms returned []
[2024-06-07 11:05:25] [INFO ] Invariant cache hit.
[2024-06-07 11:05:26] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:05:27] [INFO ] Implicit Places using invariants and state equation in 2001 ms returned []
Implicit Place search using SMT with State Equation took 2761 ms to find 0 implicit places.
[2024-06-07 11:05:27] [INFO ] Redundant transitions in 48 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:05:27] [INFO ] Invariant cache hit.
[2024-06-07 11:05:27] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:06:17] [INFO ] Deduced a trap composed of 66 places in 151 ms of which 3 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76974ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76994ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79951 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-11
Product exploration explored 100000 steps with 60 reset in 2174 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-11 finished in 82193 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 31 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 34 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:06:46] [INFO ] Invariant cache hit.
[2024-06-07 11:06:47] [INFO ] Implicit Places using invariants in 608 ms returned []
[2024-06-07 11:06:47] [INFO ] Invariant cache hit.
[2024-06-07 11:06:48] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:06:49] [INFO ] Implicit Places using invariants and state equation in 1738 ms returned []
Implicit Place search using SMT with State Equation took 2354 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:06:49] [INFO ] Invariant cache hit.
[2024-06-07 11:06:49] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:07:38] [INFO ] Deduced a trap composed of 66 places in 199 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76736ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76756ms
Finished structural reductions in LTL mode , in 1 iterations and 79149 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-12 finished in 79296 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(F(!p1)))))'
Support contains 30 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 26 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:08:06] [INFO ] Invariant cache hit.
[2024-06-07 11:08:06] [INFO ] Implicit Places using invariants in 739 ms returned []
[2024-06-07 11:08:06] [INFO ] Invariant cache hit.
[2024-06-07 11:08:07] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:08:08] [INFO ] Implicit Places using invariants and state equation in 1990 ms returned []
Implicit Place search using SMT with State Equation took 2730 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:08:08] [INFO ] Invariant cache hit.
[2024-06-07 11:08:08] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:08:58] [INFO ] Deduced a trap composed of 66 places in 156 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76728ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76748ms
Finished structural reductions in LTL mode , in 1 iterations and 79512 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, p1]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 2204 ms.
Product exploration explored 100000 steps with 0 reset in 2289 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 (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 73 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[p1, p1]
RANDOM walk for 40000 steps (8 resets) in 1317 ms. (30 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 315 ms. (126 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 470467 steps, run timeout after 3027 ms. (steps per millisecond=155 ) properties seen :0 out of 1
Probabilistic random walk after 470467 steps, saw 409294 distinct states, run finished after 3028 ms. (steps per millisecond=155 ) properties seen :0
[2024-06-07 11:09:33] [INFO ] Invariant cache hit.
[2024-06-07 11:09:33] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/3344 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3344/3344 variables, and 1233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 927 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/3344 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3344/3344 variables, and 1234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1845ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 101 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2185/2185 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 1159 transition count 2184
Applied a total of 1 rules in 4368 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2185 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4368 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1087 ms. (36 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 276 ms. (144 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 451313 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 1
Probabilistic random walk after 451313 steps, saw 392378 distinct states, run finished after 3002 ms. (steps per millisecond=150 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 11:09:43] [INFO ] Computed 67 invariants in 14 ms
[2024-06-07 11:09:43] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3343/3343 variables, and 1232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 827 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3343/3343 variables, and 1233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 816 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1674ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 104 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3331 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3333 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3280 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 11:09:52] [INFO ] Invariant cache hit.
[2024-06-07 11:09:52] [INFO ] Implicit Places using invariants in 733 ms returned []
[2024-06-07 11:09:52] [INFO ] Invariant cache hit.
[2024-06-07 11:09:53] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 11:09:54] [INFO ] Implicit Places using invariants and state equation in 1770 ms returned []
Implicit Place search using SMT with State Equation took 2517 ms to find 0 implicit places.
[2024-06-07 11:09:54] [INFO ] Redundant transitions in 42 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 11:09:54] [INFO ] Invariant cache hit.
[2024-06-07 11:09:54] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 2180/1092 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2180 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 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 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 1088/1092 constraints, Known Traps: 0/0 constraints]
After SMT, in 76305ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 76324ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82173 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 105 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[p1, p1]
Stuttering acceptance computed with spot in 66 ms :[p1, p1]
Support contains 28 out of 1159 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 131 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
// Phase 1: matrix 2185 rows 1159 cols
[2024-06-07 11:11:11] [INFO ] Computed 67 invariants in 15 ms
[2024-06-07 11:11:12] [INFO ] Implicit Places using invariants in 721 ms returned []
[2024-06-07 11:11:12] [INFO ] Invariant cache hit.
[2024-06-07 11:11:12] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:11:13] [INFO ] Implicit Places using invariants and state equation in 1919 ms returned []
Implicit Place search using SMT with State Equation took 2642 ms to find 0 implicit places.
[2024-06-07 11:11:14] [INFO ] Redundant transitions in 46 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:11:14] [INFO ] Invariant cache hit.
[2024-06-07 11:11:14] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:12:02] [INFO ] Deduced a trap composed of 66 places in 151 ms of which 2 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 75990ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76009ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 78842 ms. Remains : 1159/1159 places, 2185/2185 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 : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[p1, p1]
RANDOM walk for 40000 steps (8 resets) in 928 ms. (43 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 487529 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 1
Probabilistic random walk after 487529 steps, saw 424275 distinct states, run finished after 3002 ms. (steps per millisecond=162 ) properties seen :0
[2024-06-07 11:12:33] [INFO ] Invariant cache hit.
[2024-06-07 11:12:33] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/3344 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3344/3344 variables, and 1233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/3344 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3344 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3344/3344 variables, and 1234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 920 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1821ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 106 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2185/2185 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 1159 transition count 2184
Applied a total of 1 rules in 4174 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2185 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4175 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1099 ms. (36 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 488622 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 1
Probabilistic random walk after 488622 steps, saw 425243 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 11:12:43] [INFO ] Computed 67 invariants in 17 ms
[2024-06-07 11:12:43] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3343/3343 variables, and 1232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 821 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1123 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1123 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/1159 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3343 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3343/3343 variables, and 1233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 827 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1678ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 96 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3146 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3149 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 3160 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 11:12:51] [INFO ] Invariant cache hit.
[2024-06-07 11:12:51] [INFO ] Implicit Places using invariants in 743 ms returned []
[2024-06-07 11:12:51] [INFO ] Invariant cache hit.
[2024-06-07 11:12:52] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 11:12:53] [INFO ] Implicit Places using invariants and state equation in 1721 ms returned []
Implicit Place search using SMT with State Equation took 2468 ms to find 0 implicit places.
[2024-06-07 11:12:53] [INFO ] Redundant transitions in 43 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 11:12:53] [INFO ] Invariant cache hit.
[2024-06-07 11:12:53] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 2180/1092 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2180 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 1088/1092 constraints, Known Traps: 0/0 constraints]
After SMT, in 75919ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 75939ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81626 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 3235 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-07 11:14:12] [INFO ] Invariant cache hit.
[2024-06-07 11:14:13] [INFO ] [Real]Absence check using 67 positive place invariants in 29 ms returned sat
[2024-06-07 11:14:13] [INFO ] After 782ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 11:14:13] [INFO ] After 915ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 11:14:13] [INFO ] After 1133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 11:14:14] [INFO ] [Nat]Absence check using 67 positive place invariants in 29 ms returned sat
[2024-06-07 11:14:14] [INFO ] After 741ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 11:14:15] [INFO ] After 851ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-07 11:14:15] [INFO ] After 1118ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 5501 ms.
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[p1, p1]
Stuttering acceptance computed with spot in 77 ms :[p1, p1]
Stuttering acceptance computed with spot in 87 ms :[p1, p1]
Product exploration explored 100000 steps with 0 reset in 2246 ms.
Product exploration explored 100000 steps with 0 reset in 2233 ms.
Support contains 28 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 130 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
// Phase 1: matrix 2185 rows 1159 cols
[2024-06-07 11:14:20] [INFO ] Computed 67 invariants in 17 ms
[2024-06-07 11:14:20] [INFO ] Implicit Places using invariants in 803 ms returned []
[2024-06-07 11:14:20] [INFO ] Invariant cache hit.
[2024-06-07 11:14:21] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:14:22] [INFO ] Implicit Places using invariants and state equation in 2032 ms returned []
Implicit Place search using SMT with State Equation took 2837 ms to find 0 implicit places.
[2024-06-07 11:14:22] [INFO ] Redundant transitions in 47 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:14:22] [INFO ] Invariant cache hit.
[2024-06-07 11:14:22] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:15:11] [INFO ] Deduced a trap composed of 66 places in 158 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76114ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76133ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79163 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-13 finished in 453224 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(G(p1))&&p0)))'
Support contains 33 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 34 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:15:39] [INFO ] Invariant cache hit.
[2024-06-07 11:15:39] [INFO ] Implicit Places using invariants in 625 ms returned []
[2024-06-07 11:15:39] [INFO ] Invariant cache hit.
[2024-06-07 11:15:40] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:15:41] [INFO ] Implicit Places using invariants and state equation in 1750 ms returned []
Implicit Place search using SMT with State Equation took 2379 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:15:41] [INFO ] Invariant cache hit.
[2024-06-07 11:15:41] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:16:31] [INFO ] Deduced a trap composed of 66 places in 149 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76606ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76627ms
Finished structural reductions in LTL mode , in 1 iterations and 79046 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-14 finished in 79197 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&&G(!p1)) U p2)||(!p2 U (G(!p2)||(!p2&&G(!p3))))) U p3))'
Support contains 34 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 142 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:16:58] [INFO ] Invariant cache hit.
[2024-06-07 11:16:59] [INFO ] Implicit Places using invariants in 619 ms returned []
[2024-06-07 11:16:59] [INFO ] Invariant cache hit.
[2024-06-07 11:16:59] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:17:01] [INFO ] Implicit Places using invariants and state equation in 1802 ms returned []
Implicit Place search using SMT with State Equation took 2424 ms to find 0 implicit places.
[2024-06-07 11:17:01] [INFO ] Redundant transitions in 44 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:17:01] [INFO ] Invariant cache hit.
[2024-06-07 11:17:01] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 1.0)
(s5 0.0)
(s6 0.0)
(s7 1.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 0.0)
(s12 0.0)
(s13 1.0)
(s14 0.0)
(s15 0.0)
(s16 1.0)
(s17 0.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 0.0)
(s22 1.0)
(s23 0.0)
(s24 0.0)
(s25 1.0)
(s26 0.0)
(s27 0.0)
(s28 1.0)
(s29 1.0)
(s30 0.0)
(s31 1.0)
(s32 0.0)
(s33 0.0)
(s34 1.0)
(s35 0.0)
(s36 0.0)
(s37 1.0)
(s38 0.0)
(s39 0.0)
(s40 1.0)
(s41 0.0)
(s42 0.0)
(s43 1.0)
(s44 0.0)
(s45 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:17:51] [INFO ] Deduced a trap composed of 66 places in 147 ms of which 3 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77167ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77186ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79805 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 337 ms :[(NOT p3), (AND p1 p2 p3), false, (AND p2 p3), true, p1, p3, p2, (AND p1 p3), (AND p1 p2)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 2180 ms.
Product exploration explored 100000 steps with 0 reset in 2260 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 p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) p1))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1)))), (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1)))), (X (NOT p3)), (X (AND (NOT p3) (NOT p2) (NOT p1))), (X (NOT (AND (NOT p3) p2 p1))), (X (NOT (AND p3 p2 p1))), (X (NOT (AND p3 p2 (NOT p1)))), (X (NOT (AND p3 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p3) (NOT p2) p1))), (X (NOT (AND p3 (NOT p2)))), (X (NOT (AND p3 p2))), (X (NOT (AND (NOT p3) p2 (NOT p1)))), (X (AND (NOT p3) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1))))), (X (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1))))), (X (X (AND (NOT p3) (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 p1)))), (X (X (NOT (AND p3 p2 p1)))), (X (X (NOT (AND p3 p2 (NOT p1))))), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND p3 p2)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND p3 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 49 factoid took 124 ms. Reduced automaton from 10 states, 39 edges and 4 AP (stutter insensitive) to 10 states, 39 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 332 ms :[(NOT p3), (AND p2 p3 p1), false, (AND p2 p3), true, p1, p3, p2, (AND p1 p3), (AND p1 p2)]
RANDOM walk for 40000 steps (8 resets) in 1580 ms. (25 steps per ms) remains 13/27 properties
BEST_FIRST walk for 40003 steps (8 resets) in 701 ms. (56 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1050 ms. (38 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 876 ms. (45 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 812 ms. (49 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 719 ms. (55 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 856 ms. (46 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 727 ms. (54 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 737 ms. (54 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 766 ms. (52 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 819 ms. (48 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 937 ms. (42 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 864 ms. (46 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 843 ms. (47 steps per ms) remains 13/13 properties
[2024-06-07 11:18:27] [INFO ] Invariant cache hit.
[2024-06-07 11:18:27] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
Problem apf4 is UNSAT
Problem apf7 is UNSAT
Problem apf17 is UNSAT
Problem apf18 is UNSAT
Problem apf19 is UNSAT
Problem apf26 is UNSAT
At refinement iteration 1 (OVERLAPS) 1090/1124 variables, 57/57 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1124 variables, 0/57 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 35/1159 variables, 10/67 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/3344 variables, 1/1233 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/3344 variables, 0/1233 constraints. Problems are: Problem set: 8 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3344/3344 variables, and 1233 constraints, problems are : Problem set: 8 solved, 5 unsolved in 2387 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 13/11 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1090/1124 variables, 57/57 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1124 variables, 0/57 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 35/1159 variables, 10/67 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 4/1236 constraints. Problems are: Problem set: 8 solved, 5 unsolved
[2024-06-07 11:18:31] [INFO ] Deduced a trap composed of 286 places in 361 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 1/1237 constraints. Problems are: Problem set: 8 solved, 5 unsolved
[2024-06-07 11:18:31] [INFO ] Deduced a trap composed of 66 places in 75 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/3343 variables, 1/1238 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3343 variables, 0/1238 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 1/3344 variables, 1/1239 constraints. Problems are: Problem set: 8 solved, 5 unsolved
[2024-06-07 11:18:33] [INFO ] Deduced a trap composed of 174 places in 608 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/3344 variables, 1/1240 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3344 variables, 0/1240 constraints. Problems are: Problem set: 8 solved, 5 unsolved
[2024-06-07 11:18:34] [INFO ] Deduced a trap composed of 124 places in 119 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/3344 variables, 1/1241 constraints. Problems are: Problem set: 8 solved, 5 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 3344/3344 variables, and 1241 constraints, problems are : Problem set: 8 solved, 5 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 5/11 constraints, Known Traps: 4/4 constraints]
After SMT, in 7561ms problems are : Problem set: 8 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 34 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2185/2185 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 1159 transition count 2184
Applied a total of 1 rules in 3201 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2185 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3201 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 2604 ms. (15 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 485 ms. (82 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 477 ms. (83 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 486 ms. (82 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 457 ms. (87 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 542 ms. (73 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 94644 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 5
Probabilistic random walk after 94644 steps, saw 80890 distinct states, run finished after 3001 ms. (steps per millisecond=31 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 11:18:42] [INFO ] Computed 67 invariants in 10 ms
[2024-06-07 11:18:42] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1090/1124 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1124 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 35/1159 variables, 10/67 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/3343 variables, 0/1232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3343/3343 variables, and 1232 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1882 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1090/1124 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1124 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 35/1159 variables, 10/67 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1159 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2184/3343 variables, 1159/1226 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3343 variables, 6/1232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3343 variables, 4/1236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3343 variables, 0/1236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/3343 variables, 0/1236 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3343/3343 variables, and 1236 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2059 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, State Equation: 1159/1159 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 4002ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 545 ms.
Support contains 34 out of 1159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 2368 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2368 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1159/1159 places, 2184/2184 transitions.
Applied a total of 0 rules in 2352 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 11:18:51] [INFO ] Invariant cache hit.
[2024-06-07 11:18:52] [INFO ] Implicit Places using invariants in 614 ms returned []
[2024-06-07 11:18:52] [INFO ] Invariant cache hit.
[2024-06-07 11:18:53] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 11:18:53] [INFO ] Implicit Places using invariants and state equation in 1561 ms returned []
Implicit Place search using SMT with State Equation took 2177 ms to find 0 implicit places.
[2024-06-07 11:18:53] [INFO ] Redundant transitions in 46 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 11:18:53] [INFO ] Invariant cache hit.
[2024-06-07 11:18:53] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 2180/1092 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2180 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2180 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3343 variables, and 60 constraints, problems are : Problem set: 0 solved, 2180 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 1088/1092 constraints, Known Traps: 0/0 constraints]
After SMT, in 77144ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 77163ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81752 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Found 8 invariant AP formulas.
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) p1))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1)))), (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1)))), (X (NOT p3)), (X (AND (NOT p3) (NOT p2) (NOT p1))), (X (NOT (AND (NOT p3) p2 p1))), (X (NOT (AND p3 p2 p1))), (X (NOT (AND p3 p2 (NOT p1)))), (X (NOT (AND p3 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p3) (NOT p2) p1))), (X (NOT (AND p3 (NOT p2)))), (X (NOT (AND p3 p2))), (X (NOT (AND (NOT p3) p2 (NOT p1)))), (X (AND (NOT p3) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1))))), (X (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1))))), (X (X (AND (NOT p3) (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 p1)))), (X (X (NOT (AND p3 p2 p1)))), (X (X (NOT (AND p3 p2 (NOT p1))))), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND p3 p2)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND p3 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p1) (NOT p2) (NOT p3))), (G (AND (OR (NOT p1) p2 (NOT p3)) (OR p2 (NOT p3) (NOT p0)))), (G (OR (NOT p1) p2 (NOT p3))), (G (OR (NOT p1) (NOT p2) p3)), (G (OR (NOT p1) (NOT p3))), (G (OR (NOT p2) (NOT p3))), (G (OR (NOT p1) (NOT p2))), (G (OR p1 (NOT p2) (NOT p3)))]
False Knowledge obtained : [(F (NOT (AND (OR (NOT p1) p2 p3) (OR p2 p3 (NOT p0))))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p1), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (F p0), (F (NOT (OR p1 (NOT p2) p3))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3) (NOT p0)))), (F (NOT (OR (NOT p1) p2 p3))), (F (NOT (OR (NOT p1) p3))), (F p2), (F (NOT (OR (NOT p2) p3))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0))))]
Knowledge based reduction with 57 factoid took 762 ms. Reduced automaton from 10 states, 39 edges and 4 AP (stutter insensitive) to 10 states, 45 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 423 ms :[(OR (NOT p3) (AND p1 p2)), (AND p2 p3 p1), (AND p1 p2 p3), (AND p2 p3), true, p1, p3, p2, (AND p1 p3), (AND p1 p2)]
Stuttering acceptance computed with spot in 359 ms :[(OR (NOT p3) (AND p1 p2)), (AND p2 p3 p1), (AND p1 p2 p3), (AND p2 p3), true, p1, p3, p2, (AND p1 p3), (AND p1 p2)]
// Phase 1: matrix 2185 rows 1159 cols
[2024-06-07 11:20:12] [INFO ] Computed 67 invariants in 17 ms
Proved EG (NOT p3)
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND p3 (NOT p2) p1))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1)))), (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1)))), (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1)))), (X (NOT p3)), (X (AND (NOT p3) (NOT p2) (NOT p1))), (X (NOT (AND (NOT p3) p2 p1))), (X (NOT (AND p3 p2 p1))), (X (NOT (AND p3 p2 (NOT p1)))), (X (NOT (AND p3 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p3) (NOT p2) p1))), (X (NOT (AND p3 (NOT p2)))), (X (NOT (AND p3 p2))), (X (NOT (AND (NOT p3) p2 (NOT p1)))), (X (AND (NOT p3) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1))))), (X (X (NOT (OR (AND p3 (NOT p2) p0) (AND p3 (NOT p2) p1))))), (X (X (AND (NOT p3) (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 p1)))), (X (X (NOT (AND p3 p2 p1)))), (X (X (NOT (AND p3 p2 (NOT p1))))), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT (AND (NOT p3) p2 (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND p3 (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p1)))), (X (X (NOT (AND p3 p2)))), (X (X (NOT (AND p3 (NOT p1))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND p3 p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p1) (NOT p2) (NOT p3))), (G (AND (OR (NOT p1) p2 (NOT p3)) (OR p2 (NOT p3) (NOT p0)))), (G (OR (NOT p1) p2 (NOT p3))), (G (OR (NOT p1) (NOT p2) p3)), (G (OR (NOT p1) (NOT p3))), (G (OR (NOT p2) (NOT p3))), (G (OR (NOT p1) (NOT p2))), (G (OR p1 (NOT p2) (NOT p3)))]
False Knowledge obtained : [(F (NOT (AND (OR (NOT p1) p2 p3) (OR p2 p3 (NOT p0))))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p1), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (F p0), (F (NOT (OR p1 (NOT p2) p3))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3) (NOT p0)))), (F (NOT (OR (NOT p1) p2 p3))), (F (NOT (OR (NOT p1) p3))), (F p2), (F (NOT (OR (NOT p2) p3))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (G (NOT p3))]
Property proved to be false thanks to negative knowledge :(G (NOT p3))
Knowledge based reduction with 57 factoid took 728 ms. Reduced automaton from 10 states, 45 edges and 4 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA BlocksWorld-PT-06-LTLFireability-15 FALSE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-06-LTLFireability-15 finished in 197463 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((X(p1)||p0))))'
Found a Lengthening insensitive property : BlocksWorld-PT-06-LTLFireability-00
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 45 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:20:16] [INFO ] Invariant cache hit.
[2024-06-07 11:20:16] [INFO ] Implicit Places using invariants in 652 ms returned []
[2024-06-07 11:20:16] [INFO ] Invariant cache hit.
[2024-06-07 11:20:17] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:20:18] [INFO ] Implicit Places using invariants and state equation in 2031 ms returned []
Implicit Place search using SMT with State Equation took 2689 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:20:18] [INFO ] Invariant cache hit.
[2024-06-07 11:20:18] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:21:08] [INFO ] Deduced a trap composed of 66 places in 145 ms of which 2 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77064ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77085ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 79824 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 9365 ms.
Product exploration explored 100000 steps with 0 reset in 9315 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 p1) (NOT p0)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 85 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 4 to 2
RANDOM walk for 40000 steps (8 resets) in 4794 ms. (8 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 8061 ms. (4 steps per ms) remains 1/1 properties
[2024-06-07 11:21:58] [INFO ] Invariant cache hit.
[2024-06-07 11:21:58] [INFO ] State equation strengthened by 7 read => feed constraints.
Problem apf2 is UNSAT
After SMT solving in domain Real declared 66/3344 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 0/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 2292ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (X (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 7 factoid took 226 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 151 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 11:22:06] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 29 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:22:21] [INFO ] Invariant cache hit.
[2024-06-07 11:22:22] [INFO ] Implicit Places using invariants in 648 ms returned []
[2024-06-07 11:22:22] [INFO ] Invariant cache hit.
[2024-06-07 11:22:23] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:22:24] [INFO ] Implicit Places using invariants and state equation in 2013 ms returned []
Implicit Place search using SMT with State Equation took 2663 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:22:24] [INFO ] Invariant cache hit.
[2024-06-07 11:22:24] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:23:13] [INFO ] Deduced a trap composed of 66 places in 153 ms of which 2 ms to minimize.
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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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76324ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76346ms
Finished structural reductions in LTL mode , in 1 iterations and 79042 ms. Remains : 1159/1159 places, 2185/2185 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 (NOT p1) (NOT p0)), (X p0), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Reduction of identical properties reduced properties to check from 2 to 1
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p0), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1)]
Knowledge based reduction with 4 factoid took 135 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 134 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 11:23:47] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8720 ms.
Product exploration explored 100000 steps with 0 reset in 8847 ms.
Support contains 66 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 33 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:24:20] [INFO ] Invariant cache hit.
[2024-06-07 11:24:21] [INFO ] Implicit Places using invariants in 667 ms returned []
[2024-06-07 11:24:21] [INFO ] Invariant cache hit.
[2024-06-07 11:24:21] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:24:22] [INFO ] Implicit Places using invariants and state equation in 1916 ms returned []
Implicit Place search using SMT with State Equation took 2585 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:24:23] [INFO ] Invariant cache hit.
[2024-06-07 11:24:23] [INFO ] State equation strengthened by 7 read => feed constraints.
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0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:25:14] [INFO ] Deduced a trap composed of 66 places in 152 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 78534ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 78554ms
Finished structural reductions in LTL mode , in 1 iterations and 81177 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-00 finished in 325780 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(F(p1))||p0))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(F(p1))&&p0))))'
Found a Shortening insensitive property : BlocksWorld-PT-06-LTLFireability-03
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 44 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:25:42] [INFO ] Invariant cache hit.
[2024-06-07 11:25:42] [INFO ] Implicit Places using invariants in 613 ms returned []
[2024-06-07 11:25:42] [INFO ] Invariant cache hit.
[2024-06-07 11:25:43] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:25:44] [INFO ] Implicit Places using invariants and state equation in 1856 ms returned []
Implicit Place search using SMT with State Equation took 2470 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:25:44] [INFO ] Invariant cache hit.
[2024-06-07 11:25:44] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:26:34] [INFO ] Deduced a trap composed of 66 places in 147 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77090ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77110ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 79629 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-03
Product exploration explored 100000 steps with 25000 reset in 1650 ms.
Product exploration explored 100000 steps with 25000 reset in 1668 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 p1) p0), (X (NOT p0)), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 102 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT p0)), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 123 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 11:27:08] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 33 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:27:23] [INFO ] Invariant cache hit.
[2024-06-07 11:27:24] [INFO ] Implicit Places using invariants in 651 ms returned []
[2024-06-07 11:27:24] [INFO ] Invariant cache hit.
[2024-06-07 11:27:25] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:27:26] [INFO ] Implicit Places using invariants and state equation in 1818 ms returned []
Implicit Place search using SMT with State Equation took 2472 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:27:26] [INFO ] Invariant cache hit.
[2024-06-07 11:27:26] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:28:17] [INFO ] Deduced a trap composed of 66 places in 154 ms of which 3 ms to minimize.
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 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 78134ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 78156ms
Finished structural reductions in LTL mode , in 1 iterations and 80664 ms. Remains : 1159/1159 places, 2185/2185 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 : [(NOT p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 79 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 157 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 11:28:47] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 25000 reset in 1572 ms.
Product exploration explored 100000 steps with 25000 reset in 1582 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 176 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 152 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:29:06] [INFO ] Redundant transitions in 48 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:29:06] [INFO ] Invariant cache hit.
[2024-06-07 11:29:06] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:29:56] [INFO ] Deduced a trap composed of 66 places in 146 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 77823ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77861ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 78073 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Support contains 94 out of 1159 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1159/1159 places, 2185/2185 transitions.
Applied a total of 0 rules in 29 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 11:30:24] [INFO ] Invariant cache hit.
[2024-06-07 11:30:24] [INFO ] Implicit Places using invariants in 626 ms returned []
[2024-06-07 11:30:24] [INFO ] Invariant cache hit.
[2024-06-07 11:30:25] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 11:30:26] [INFO ] Implicit Places using invariants and state equation in 1850 ms returned []
Implicit Place search using SMT with State Equation took 2481 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 11:30:26] [INFO ] Invariant cache hit.
[2024-06-07 11:30:26] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 11:31:16] [INFO ] Deduced a trap composed of 66 places in 157 ms of which 2 ms to minimize.
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(s681 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3344 variables, and 61 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1088/1093 constraints, Known Traps: 1/1 constraints]
After SMT, in 76569ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76598ms
Finished structural reductions in LTL mode , in 1 iterations and 79111 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-03 finished in 361508 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(F(!p1)))))'
[2024-06-07 11:31:43] [INFO ] Flatten gal took : 115 ms
[2024-06-07 11:31:43] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 19 ms.
[2024-06-07 11:31:43] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1159 places, 2185 transitions and 10910 arcs took 13 ms.
Total runtime 2928276 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BlocksWorld-PT-06

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/411/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1159
TRANSITIONS: 2185
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.047s, Sys 0.014s]


SAVING FILE /home/mcc/execution/411/model (.net / .def) ...
EXPORT TIME: [User 0.018s, 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: 2547
MODEL NAME: /home/mcc/execution/411/model
1159 places, 2185 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-06"
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-06, 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-171774423900204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-06.tgz
mv BlocksWorld-PT-06 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 ;