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.r605-tall-171774426800204.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is BlocksWorld-PT-06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r605-tall-171774426800204
=====================================================================

--------------------
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 1717747089185

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-07 07:58:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-07 07:58:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-07 07:58:10] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2024-06-07 07:58:10] [INFO ] Transformed 1189 places.
[2024-06-07 07:58:10] [INFO ] Transformed 2245 transitions.
[2024-06-07 07:58:10] [INFO ] Found NUPN structural information;
[2024-06-07 07:58:10] [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 07:58:10] [INFO ] Parsed PT model containing 1189 places and 2245 transitions and 11210 arcs in 302 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 42 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 155 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 07:58:11] [INFO ] Computed 67 invariants in 54 ms
[2024-06-07 07:58:12] [INFO ] Implicit Places using invariants in 876 ms returned []
[2024-06-07 07:58:12] [INFO ] Invariant cache hit.
[2024-06-07 07:58:12] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-07 07:58:14] [INFO ] Implicit Places using invariants and state equation in 2229 ms returned []
Implicit Place search using SMT with State Equation took 3136 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2024-06-07 07:58:14] [INFO ] Invariant cache hit.
[2024-06-07 07:58:14] [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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1185 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 30092 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
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 30034 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 76124ms problems are : Problem set: 60 solved, 2181 unsolved
Search for dead transitions found 60 dead transitions in 76167ms
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 41 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 07:59:30] [INFO ] Computed 67 invariants in 16 ms
[2024-06-07 07:59:31] [INFO ] Implicit Places using invariants in 464 ms returned []
[2024-06-07 07:59:31] [INFO ] Invariant cache hit.
[2024-06-07 07:59:31] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 07:59:32] [INFO ] Implicit Places using invariants and state equation in 1513 ms returned []
Implicit Place search using SMT with State Equation took 1978 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 81511 ms. Remains : 1159/1189 places, 2185/2245 transitions.
Support contains 135 out of 1159 places after structural reductions.
[2024-06-07 07:59:33] [INFO ] Flatten gal took : 392 ms
[2024-06-07 07:59:33] [INFO ] Flatten gal took : 184 ms
[2024-06-07 07:59:34] [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 3493 ms. (11 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40003 steps (8 resets) in 335 ms. (119 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 275 ms. (144 steps per ms) remains 2/2 properties
[2024-06-07 07:59:35] [INFO ] Invariant cache hit.
[2024-06-07 07:59:35] [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 1294 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 846 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 2177ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 181 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 4147 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 4147 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1555 ms. (25 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 541524 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 1
Probabilistic random walk after 541524 steps, saw 471643 distinct states, run finished after 3004 ms. (steps per millisecond=180 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 07:59:45] [INFO ] Computed 67 invariants in 14 ms
[2024-06-07 07:59:45] [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 853 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 736 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 1619ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 108 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 2939 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 2939 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 2902 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 07:59:52] [INFO ] Invariant cache hit.
[2024-06-07 07:59:53] [INFO ] Implicit Places using invariants in 751 ms returned []
[2024-06-07 07:59:53] [INFO ] Invariant cache hit.
[2024-06-07 07:59:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 07:59:55] [INFO ] Implicit Places using invariants and state equation in 1654 ms returned []
Implicit Place search using SMT with State Equation took 2411 ms to find 0 implicit places.
[2024-06-07 07:59:55] [INFO ] Redundant transitions in 138 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 07:59:55] [INFO ] Invariant cache hit.
[2024-06-07 07:59:55] [INFO ] State equation strengthened by 6 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 0.0)
(s46 1.0)
(s47 1.0)
(s48 0.0)
(s49 1.0)
(s50 0.0)
(s51 0.0)
(s52 1.0)
(s53 0.0)
(s54 0.0)
(s55 1.0)
(s56 0.0)
(s57 0.0)
(s58 1.0)
(s59 0.0)
(s60 0.0)
(s61 1.0)
(s62 0.0)
(s63 0.0)
(s64 1.0)
(s65 0.0)
(s66 0.0)
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(s68 0.0)
(s69 0.0)
(s70 1.0)
(s71 0.0)
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(s73 1.0)
(s75 0.0)
(s76 0.0)
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(s78 1.0)
(s79 1.0)
(s80 0.0)
(s81 0.0)
(s82 1.0)
(s83 0.0)
(s84 0.0)
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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, 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 30035 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 30032 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 75768ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 75789ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81248 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 3129 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-07 08:01:14] [INFO ] Invariant cache hit.
[2024-06-07 08:01:14] [INFO ] [Real]Absence check using 67 positive place invariants in 26 ms returned sat
[2024-06-07 08:01:15] [INFO ] After 694ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 08:01:15] [INFO ] After 817ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-06-07 08:01:15] [INFO ] After 1082ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 4225 ms.
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 25 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 08:01:15] [INFO ] Computed 67 invariants in 10 ms
[2024-06-07 08:01:16] [INFO ] Implicit Places using invariants in 666 ms returned []
[2024-06-07 08:01:16] [INFO ] Invariant cache hit.
[2024-06-07 08:01:17] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:01:18] [INFO ] Implicit Places using invariants and state equation in 1798 ms returned []
Implicit Place search using SMT with State Equation took 2467 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:01:18] [INFO ] Invariant cache hit.
[2024-06-07 08:01:18] [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 30043 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 08:02:06] [INFO ] Deduced a trap composed of 66 places in 166 ms of which 25 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 75749ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75770ms
Finished structural reductions in LTL mode , in 1 iterations and 78268 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 252 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 9127 ms.
Product exploration explored 100000 steps with 0 reset in 9041 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 81 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 120 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 5278 ms. (7 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 8430 ms. (4 steps per ms) remains 1/1 properties
[2024-06-07 08:02:56] [INFO ] Invariant cache hit.
[2024-06-07 08:02:56] [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 50 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 2166ms 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 152 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 125 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 121 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 08:03:05] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.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:252)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:958)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-06-07 08:03:20] [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: Broken pipe ... while checking expression EG (AND (NOT p1) (NOT p0))
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 24 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:03:20] [INFO ] Invariant cache hit.
[2024-06-07 08:03:20] [INFO ] Implicit Places using invariants in 640 ms returned []
[2024-06-07 08:03:20] [INFO ] Invariant cache hit.
[2024-06-07 08:03:21] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:03:22] [INFO ] Implicit Places using invariants and state equation in 1783 ms returned []
Implicit Place search using SMT with State Equation took 2428 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:03:22] [INFO ] Invariant cache hit.
[2024-06-07 08:03:22] [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 30265 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 08:04:12] [INFO ] Deduced a trap composed of 66 places in 153 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
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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 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 76990ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77010ms
Finished structural reductions in LTL mode , in 1 iterations and 79471 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 76 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 112 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 139 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 122 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 08:04:45] [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 08:05:00] [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 117 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8306 ms.
Product exploration explored 100000 steps with 0 reset in 8298 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 28 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:05:17] [INFO ] Invariant cache hit.
[2024-06-07 08:05:17] [INFO ] Implicit Places using invariants in 635 ms returned []
[2024-06-07 08:05:17] [INFO ] Invariant cache hit.
[2024-06-07 08:05:18] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:05:19] [INFO ] Implicit Places using invariants and state equation in 1702 ms returned []
Implicit Place search using SMT with State Equation took 2340 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:05:19] [INFO ] Invariant cache hit.
[2024-06-07 08:05:19] [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 08:06:08] [INFO ] Deduced a trap composed of 66 places in 158 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 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 76057ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76078ms
Finished structural reductions in LTL mode , in 1 iterations and 78451 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-00 finished in 320263 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 232 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:06:36] [INFO ] Invariant cache hit.
[2024-06-07 08:06:36] [INFO ] Implicit Places using invariants in 501 ms returned []
[2024-06-07 08:06:36] [INFO ] Invariant cache hit.
[2024-06-07 08:06:37] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:06:38] [INFO ] Implicit Places using invariants and state equation in 1567 ms returned []
Implicit Place search using SMT with State Equation took 2070 ms to find 0 implicit places.
[2024-06-07 08:06:38] [INFO ] Redundant transitions in 100 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:06:38] [INFO ] Invariant cache hit.
[2024-06-07 08:06:38] [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 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 08:07:26] [INFO ] Deduced a trap composed of 66 places in 150 ms of which 7 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 30042 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 75375ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75393ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77804 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 82 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 6869 reset in 2059 ms.
Product exploration explored 100000 steps with 6756 reset in 2041 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 187 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 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 26 steps (0 resets) in 5 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 250 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 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 69 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 178 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:07:58] [INFO ] Invariant cache hit.
[2024-06-07 08:07:59] [INFO ] Implicit Places using invariants in 530 ms returned []
[2024-06-07 08:07:59] [INFO ] Invariant cache hit.
[2024-06-07 08:08:00] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:08:01] [INFO ] Implicit Places using invariants and state equation in 1531 ms returned []
Implicit Place search using SMT with State Equation took 2065 ms to find 0 implicit places.
[2024-06-07 08:08:01] [INFO ] Redundant transitions in 39 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:08:01] [INFO ] Invariant cache hit.
[2024-06-07 08:08:01] [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 30045 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 08:08:49] [INFO ] Deduced a trap composed of 66 places in 139 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 75385ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75403ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77701 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 158 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 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 20 steps (0 resets) in 5 ms. (3 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 249 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 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 6763 reset in 2037 ms.
Product exploration explored 100000 steps with 6761 reset in 2049 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 131 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:09:21] [INFO ] Invariant cache hit.
[2024-06-07 08:09:21] [INFO ] Implicit Places using invariants in 524 ms returned []
[2024-06-07 08:09:21] [INFO ] Invariant cache hit.
[2024-06-07 08:09:22] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:09:23] [INFO ] Implicit Places using invariants and state equation in 1531 ms returned []
Implicit Place search using SMT with State Equation took 2060 ms to find 0 implicit places.
[2024-06-07 08:09:23] [INFO ] Redundant transitions in 43 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:09:23] [INFO ] Invariant cache hit.
[2024-06-07 08:09:23] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 08:10:12] [INFO ] Deduced a trap composed of 66 places in 153 ms of which 3 ms to minimize.
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(s744 timeout
0) org.smtlib.IParser$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 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 75222ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75241ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77487 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-01 finished in 242828 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 29 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:10:39] [INFO ] Invariant cache hit.
[2024-06-07 08:10:39] [INFO ] Implicit Places using invariants in 632 ms returned []
[2024-06-07 08:10:39] [INFO ] Invariant cache hit.
[2024-06-07 08:10:40] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:10:41] [INFO ] Implicit Places using invariants and state equation in 1753 ms returned []
Implicit Place search using SMT with State Equation took 2391 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:10:41] [INFO ] Invariant cache hit.
[2024-06-07 08:10:41] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 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 30045 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 08:11:29] [INFO ] Deduced a trap composed of 66 places in 149 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 30027 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 75191ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75215ms
Finished structural reductions in LTL mode , in 1 iterations and 77644 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 116 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 1756 ms.
Product exploration explored 100000 steps with 25000 reset in 1678 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 78 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 134 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 99 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 136 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 08:12:02] [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 31 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:12:17] [INFO ] Invariant cache hit.
[2024-06-07 08:12:17] [INFO ] Implicit Places using invariants in 602 ms returned []
[2024-06-07 08:12:17] [INFO ] Invariant cache hit.
[2024-06-07 08:12:18] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:12:19] [INFO ] Implicit Places using invariants and state equation in 1772 ms returned []
Implicit Place search using SMT with State Equation took 2375 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:12:19] [INFO ] Invariant cache hit.
[2024-06-07 08:12:19] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 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 08:13:08] [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 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 76124ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76144ms
Finished structural reductions in LTL mode , in 1 iterations and 78557 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 89 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 168 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 6 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 106 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 159 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 08:13:38] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 128 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 25000 reset in 1553 ms.
Product exploration explored 100000 steps with 25000 reset in 1633 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 173 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 262 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:13:57] [INFO ] Redundant transitions in 42 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:13:57] [INFO ] Invariant cache hit.
[2024-06-07 08:13:57] [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 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 08:14:46] [INFO ] Deduced a trap composed of 66 places in 144 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 76442ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76461ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 76778 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 31 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:15:14] [INFO ] Invariant cache hit.
[2024-06-07 08:15:14] [INFO ] Implicit Places using invariants in 594 ms returned []
[2024-06-07 08:15:14] [INFO ] Invariant cache hit.
[2024-06-07 08:15:15] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:15:16] [INFO ] Implicit Places using invariants and state equation in 1736 ms returned []
Implicit Place search using SMT with State Equation took 2342 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:15:16] [INFO ] Invariant cache hit.
[2024-06-07 08:15:16] [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 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 08:16:05] [INFO ] Deduced a trap composed of 66 places in 147 ms of which 3 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 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 76664ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76683ms
Finished structural reductions in LTL mode , in 1 iterations and 79061 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-03 finished in 354445 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 27 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:16:33] [INFO ] Invariant cache hit.
[2024-06-07 08:16:33] [INFO ] Implicit Places using invariants in 502 ms returned []
[2024-06-07 08:16:33] [INFO ] Invariant cache hit.
[2024-06-07 08:16:34] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:16:35] [INFO ] Implicit Places using invariants and state equation in 1572 ms returned []
Implicit Place search using SMT with State Equation took 2076 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:16:35] [INFO ] Invariant cache hit.
[2024-06-07 08:16:35] [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 30032 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 08:17:24] [INFO ] Deduced a trap composed of 66 places in 143 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 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 76261ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76280ms
Finished structural reductions in LTL mode , in 1 iterations and 78391 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 160 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 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-05 finished in 78581 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 30 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:17:52] [INFO ] Invariant cache hit.
[2024-06-07 08:17:52] [INFO ] Implicit Places using invariants in 609 ms returned []
[2024-06-07 08:17:52] [INFO ] Invariant cache hit.
[2024-06-07 08:17:53] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:17:54] [INFO ] Implicit Places using invariants and state equation in 1692 ms returned []
Implicit Place search using SMT with State Equation took 2303 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:17:54] [INFO ] Invariant cache hit.
[2024-06-07 08:17:54] [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 30028 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 08:18:42] [INFO ] Deduced a trap composed of 66 places in 146 ms of which 3 ms to minimize.
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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 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 75951ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75970ms
Finished structural reductions in LTL mode , in 1 iterations and 78309 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 146 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 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-08 finished in 78475 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 33 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:19:10] [INFO ] Invariant cache hit.
[2024-06-07 08:19:11] [INFO ] Implicit Places using invariants in 598 ms returned []
[2024-06-07 08:19:11] [INFO ] Invariant cache hit.
[2024-06-07 08:19:11] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:19:12] [INFO ] Implicit Places using invariants and state equation in 1753 ms returned []
Implicit Place search using SMT with State Equation took 2353 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:19:12] [INFO ] Invariant cache hit.
[2024-06-07 08:19:12] [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 08:20:01] [INFO ] Deduced a trap composed of 66 places in 141 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 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 76131ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76151ms
Finished structural reductions in LTL mode , in 1 iterations and 78548 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 125 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 487 ms.
Product exploration explored 100000 steps with 50000 reset in 508 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 16 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 79711 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 143 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:20:30] [INFO ] Invariant cache hit.
[2024-06-07 08:20:31] [INFO ] Implicit Places using invariants in 736 ms returned []
[2024-06-07 08:20:31] [INFO ] Invariant cache hit.
[2024-06-07 08:20:31] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:20:33] [INFO ] Implicit Places using invariants and state equation in 2004 ms returned []
Implicit Place search using SMT with State Equation took 2742 ms to find 0 implicit places.
[2024-06-07 08:20:33] [INFO ] Redundant transitions in 43 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:20:33] [INFO ] Invariant cache hit.
[2024-06-07 08:20:33] [INFO ] State equation strengthened by 7 read => feed constraints.
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0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1155/3344 variables, and 60 constraints, problems are : Problem set: 0 solved, 2181 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1159 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 2181/1093 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 2181 unsolved
[2024-06-07 08:21:22] [INFO ] Deduced a trap composed of 66 places in 146 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s674 timeout
0) org.smtlib.IParser$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 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 76449ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76468ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 79410 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : BlocksWorld-PT-06-LTLFireability-11
Product exploration explored 100000 steps with 49 reset in 2293 ms.
Stack based approach found an accepted trace after 1 steps with 0 reset with depth 2 and stack size 2 in 0 ms.
FORMULA BlocksWorld-PT-06-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-06-LTLFireability-11 finished in 81757 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 33 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:21:52] [INFO ] Invariant cache hit.
[2024-06-07 08:21:52] [INFO ] Implicit Places using invariants in 580 ms returned []
[2024-06-07 08:21:52] [INFO ] Invariant cache hit.
[2024-06-07 08:21:53] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:21:54] [INFO ] Implicit Places using invariants and state equation in 1658 ms returned []
Implicit Place search using SMT with State Equation took 2246 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:21:54] [INFO ] Invariant cache hit.
[2024-06-07 08:21:54] [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 30032 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 08:22:43] [INFO ] Deduced a trap composed of 66 places in 149 ms of which 5 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 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 76386ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76403ms
Finished structural reductions in LTL mode , in 1 iterations and 78688 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 117 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 78876 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 37 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:23:10] [INFO ] Invariant cache hit.
[2024-06-07 08:23:11] [INFO ] Implicit Places using invariants in 688 ms returned []
[2024-06-07 08:23:11] [INFO ] Invariant cache hit.
[2024-06-07 08:23:12] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:23:13] [INFO ] Implicit Places using invariants and state equation in 1861 ms returned []
Implicit Place search using SMT with State Equation took 2559 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:23:13] [INFO ] Invariant cache hit.
[2024-06-07 08:23:13] [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 30032 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 08:24:02] [INFO ] Deduced a trap composed of 66 places in 137 ms of which 2 ms to minimize.
(s252 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s252 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 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 76229ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76249ms
Finished structural reductions in LTL mode , in 1 iterations and 78851 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 161 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 2260 ms.
Product exploration explored 100000 steps with 0 reset in 2396 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 85 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 79 ms :[p1, p1]
RANDOM walk for 40000 steps (8 resets) in 1359 ms. (29 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 472135 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 1
Probabilistic random walk after 472135 steps, saw 410758 distinct states, run finished after 3001 ms. (steps per millisecond=157 ) properties seen :0
[2024-06-07 08:24:38] [INFO ] Invariant cache hit.
[2024-06-07 08:24:38] [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 857 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 865 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 1743ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 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 3927 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 3928 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1261 ms. (31 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 485272 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :0 out of 1
Probabilistic random walk after 485272 steps, saw 422284 distinct states, run finished after 3001 ms. (steps per millisecond=161 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 08:24:47] [INFO ] Computed 67 invariants in 14 ms
[2024-06-07 08:24:47] [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 766 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 789 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 1578ms 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, 2184/2184 transitions.
Applied a total of 0 rules in 3064 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 3064 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 3109 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 08:24:55] [INFO ] Invariant cache hit.
[2024-06-07 08:24:55] [INFO ] Implicit Places using invariants in 696 ms returned []
[2024-06-07 08:24:55] [INFO ] Invariant cache hit.
[2024-06-07 08:24:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 08:24:57] [INFO ] Implicit Places using invariants and state equation in 1741 ms returned []
Implicit Place search using SMT with State Equation took 2442 ms to find 0 implicit places.
[2024-06-07 08:24:57] [INFO ] Redundant transitions in 43 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 08:24:57] [INFO ] Invariant cache hit.
[2024-06-07 08:24:57] [INFO ] State equation strengthened by 6 read => feed constraints.
(s734 0.0timeout
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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, 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 30034 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 30031 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 76325ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 76343ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81947 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 2899 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-07 08:26:17] [INFO ] Invariant cache hit.
[2024-06-07 08:26:17] [INFO ] [Real]Absence check using 67 positive place invariants in 24 ms returned sat
[2024-06-07 08:26:17] [INFO ] After 669ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 08:26:18] [INFO ] After 792ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 08:26:18] [INFO ] After 969ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 08:26:18] [INFO ] [Nat]Absence check using 67 positive place invariants in 23 ms returned sat
[2024-06-07 08:26:18] [INFO ] After 658ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 08:26:18] [INFO ] After 769ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-07 08:26:19] [INFO ] After 994ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 4872 ms.
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 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 77 ms :[p1, p1]
Stuttering acceptance computed with spot in 86 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 135 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 08:26:19] [INFO ] Computed 67 invariants in 8 ms
[2024-06-07 08:26:20] [INFO ] Implicit Places using invariants in 672 ms returned []
[2024-06-07 08:26:20] [INFO ] Invariant cache hit.
[2024-06-07 08:26:20] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:26:21] [INFO ] Implicit Places using invariants and state equation in 1818 ms returned []
Implicit Place search using SMT with State Equation took 2495 ms to find 0 implicit places.
[2024-06-07 08:26:21] [INFO ] Redundant transitions in 38 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:26:21] [INFO ] Invariant cache hit.
[2024-06-07 08:26:21] [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 30032 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 08:27:10] [INFO ] Deduced a trap composed of 66 places in 144 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 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 75810ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75838ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 78515 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 92 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[p1, p1]
RANDOM walk for 40000 steps (8 resets) in 1174 ms. (34 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 496534 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 1
Probabilistic random walk after 496534 steps, saw 432185 distinct states, run finished after 3001 ms. (steps per millisecond=165 ) properties seen :0
[2024-06-07 08:27:41] [INFO ] Invariant cache hit.
[2024-06-07 08:27:41] [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 844 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 841 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 1694ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 105 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 3914 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 3914 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 1206 ms. (33 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 493244 steps, run timeout after 3001 ms. (steps per millisecond=164 ) properties seen :0 out of 1
Probabilistic random walk after 493244 steps, saw 429287 distinct states, run finished after 3001 ms. (steps per millisecond=164 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 08:27:50] [INFO ] Computed 67 invariants in 8 ms
[2024-06-07 08:27:50] [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 802 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 779 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 1600ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 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 2996 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 2996 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 2916 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 08:27:58] [INFO ] Invariant cache hit.
[2024-06-07 08:27:58] [INFO ] Implicit Places using invariants in 710 ms returned []
[2024-06-07 08:27:58] [INFO ] Invariant cache hit.
[2024-06-07 08:27:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 08:28:00] [INFO ] Implicit Places using invariants and state equation in 1729 ms returned []
Implicit Place search using SMT with State Equation took 2441 ms to find 0 implicit places.
[2024-06-07 08:28:00] [INFO ] Redundant transitions in 42 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 08:28:00] [INFO ] Invariant cache hit.
[2024-06-07 08:28:00] [INFO ] State equation strengthened by 6 read => feed constraints.
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(s976 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, 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 30034 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 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 75683ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 75701ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81109 ms. Remains : 1159/1159 places, 2184/2184 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 2928 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-06-07 08:29:19] [INFO ] Invariant cache hit.
[2024-06-07 08:29:19] [INFO ] [Real]Absence check using 67 positive place invariants in 26 ms returned sat
[2024-06-07 08:29:20] [INFO ] After 658ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 08:29:20] [INFO ] After 768ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 08:29:20] [INFO ] After 943ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-07 08:29:20] [INFO ] [Nat]Absence check using 67 positive place invariants in 23 ms returned sat
[2024-06-07 08:29:21] [INFO ] After 653ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-07 08:29:21] [INFO ] After 755ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-07 08:29:21] [INFO ] After 976ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 4859 ms.
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 67 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 89 ms :[p1, p1]
Stuttering acceptance computed with spot in 166 ms :[p1, p1]
Stuttering acceptance computed with spot in 85 ms :[p1, p1]
Product exploration explored 100000 steps with 0 reset in 2269 ms.
Product exploration explored 100000 steps with 0 reset in 2340 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 126 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 08:29:26] [INFO ] Computed 67 invariants in 14 ms
[2024-06-07 08:29:27] [INFO ] Implicit Places using invariants in 696 ms returned []
[2024-06-07 08:29:27] [INFO ] Invariant cache hit.
[2024-06-07 08:29:27] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:29:28] [INFO ] Implicit Places using invariants and state equation in 1869 ms returned []
Implicit Place search using SMT with State Equation took 2566 ms to find 0 implicit places.
[2024-06-07 08:29:29] [INFO ] Redundant transitions in 39 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:29:29] [INFO ] Invariant cache hit.
[2024-06-07 08:29:29] [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 08:30:17] [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 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 75737ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75756ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 78503 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-13 finished in 454085 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 27 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:30:44] [INFO ] Invariant cache hit.
[2024-06-07 08:30:45] [INFO ] Implicit Places using invariants in 577 ms returned []
[2024-06-07 08:30:45] [INFO ] Invariant cache hit.
[2024-06-07 08:30:46] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:30:47] [INFO ] Implicit Places using invariants and state equation in 1670 ms returned []
Implicit Place search using SMT with State Equation took 2250 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:30:47] [INFO ] Invariant cache hit.
[2024-06-07 08:30:47] [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 30032 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 08:31:35] [INFO ] Deduced a trap composed of 66 places in 153 ms of which 3 ms to minimize.
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(s991 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 75495ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75514ms
Finished structural reductions in LTL mode , in 1 iterations and 77797 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 142 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 77967 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 137 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:32:03] [INFO ] Invariant cache hit.
[2024-06-07 08:32:03] [INFO ] Implicit Places using invariants in 600 ms returned []
[2024-06-07 08:32:03] [INFO ] Invariant cache hit.
[2024-06-07 08:32:04] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:32:05] [INFO ] Implicit Places using invariants and state equation in 1804 ms returned []
Implicit Place search using SMT with State Equation took 2405 ms to find 0 implicit places.
[2024-06-07 08:32:05] [INFO ] Redundant transitions in 45 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:32:05] [INFO ] Invariant cache hit.
[2024-06-07 08:32:05] [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 30032 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 08:32:53] [INFO ] Deduced a trap composed of 66 places in 143 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
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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 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 75254ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75273ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77874 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Stuttering acceptance computed with spot in 378 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 2279 ms.
Product exploration explored 100000 steps with 0 reset in 2302 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 136 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 347 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 1636 ms. (24 steps per ms) remains 13/27 properties
BEST_FIRST walk for 40003 steps (8 resets) in 621 ms. (64 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 722 ms. (55 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 840 ms. (47 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 921 ms. (43 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 612 ms. (65 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 730 ms. (54 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 923 ms. (43 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 782 ms. (51 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 676 ms. (59 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 743 ms. (53 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 875 ms. (45 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 906 ms. (44 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 731 ms. (54 steps per ms) remains 13/13 properties
[2024-06-07 08:33:29] [INFO ] Invariant cache hit.
[2024-06-07 08:33:29] [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 2201 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 08:33:33] [INFO ] Deduced a trap composed of 286 places in 312 ms of which 4 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 08:33:34] [INFO ] Deduced a trap composed of 66 places in 73 ms of which 1 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 08:33:35] [INFO ] Deduced a trap composed of 174 places in 567 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 08:33:36] [INFO ] Deduced a trap composed of 124 places in 163 ms of which 1 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/3344 variables, 1/1241 constraints. Problems are: Problem set: 8 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3344 variables, 0/1241 constraints. Problems are: Problem set: 8 solved, 5 unsolved
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 5015 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 7380ms 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 2900 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 2904 ms. Remains : 1159/1159 places, 2184/2185 transitions.
RANDOM walk for 40000 steps (8 resets) in 2864 ms. (13 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 476 ms. (83 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 489 ms. (81 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 494 ms. (80 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 590 ms. (67 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 489 ms. (81 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 100508 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 5
Probabilistic random walk after 100508 steps, saw 85968 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :0
// Phase 1: matrix 2184 rows 1159 cols
[2024-06-07 08:33:44] [INFO ] Computed 67 invariants in 7 ms
[2024-06-07 08:33:44] [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 1742 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 1928 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 3746ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 586 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 2125 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 2125 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 2120 ms. Remains 1159 /1159 variables (removed 0) and now considering 2184/2184 (removed 0) transitions.
[2024-06-07 08:33:53] [INFO ] Invariant cache hit.
[2024-06-07 08:33:53] [INFO ] Implicit Places using invariants in 581 ms returned []
[2024-06-07 08:33:53] [INFO ] Invariant cache hit.
[2024-06-07 08:33:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-06-07 08:33:55] [INFO ] Implicit Places using invariants and state equation in 1485 ms returned []
Implicit Place search using SMT with State Equation took 2067 ms to find 0 implicit places.
[2024-06-07 08:33:55] [INFO ] Redundant transitions in 39 ms returned []
Running 2180 sub problems to find dead transitions.
[2024-06-07 08:33:55] [INFO ] Invariant cache hit.
[2024-06-07 08:33:55] [INFO ] State equation strengthened by 6 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, 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 30029 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 30044 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 76437ms problems are : Problem set: 0 solved, 2180 unsolved
Search for dead transitions found 0 dead transitions in 76456ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80693 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 773 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 431 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 422 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 08:35:13] [INFO ] Computed 67 invariants in 8 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 590 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 193501 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 109 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 39 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:35:16] [INFO ] Invariant cache hit.
[2024-06-07 08:35:17] [INFO ] Implicit Places using invariants in 606 ms returned []
[2024-06-07 08:35:17] [INFO ] Invariant cache hit.
[2024-06-07 08:35:17] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:35:19] [INFO ] Implicit Places using invariants and state equation in 1800 ms returned []
Implicit Place search using SMT with State Equation took 2410 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:35:19] [INFO ] Invariant cache hit.
[2024-06-07 08:35:19] [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 08:36:07] [INFO ] Deduced a trap composed of 66 places in 153 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 75872ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 75891ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 78347 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 8902 ms.
Product exploration explored 100000 steps with 0 reset in 8904 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 117 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 5760 ms. (6 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 8029 ms. (4 steps per ms) remains 1/1 properties
[2024-06-07 08:36:56] [INFO ] Invariant cache hit.
[2024-06-07 08:36:56] [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 45 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 2166ms 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 195 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 129 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 08:37:05] [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 08:37:20] [INFO ] Invariant cache hit.
[2024-06-07 08:37:21] [INFO ] Implicit Places using invariants in 606 ms returned []
[2024-06-07 08:37:21] [INFO ] Invariant cache hit.
[2024-06-07 08:37:21] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:37:22] [INFO ] Implicit Places using invariants and state equation in 1858 ms returned []
Implicit Place search using SMT with State Equation took 2466 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:37:22] [INFO ] Invariant cache hit.
[2024-06-07 08:37:22] [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 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 08:38:11] [INFO ] Deduced a trap composed of 66 places in 154 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 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 76026ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76049ms
Finished structural reductions in LTL mode , in 1 iterations and 78550 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 103 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 131 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 5 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 132 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 146 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
[2024-06-07 08:38:44] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 151 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 8428 ms.
Product exploration explored 100000 steps with 0 reset in 8510 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 08:39:17] [INFO ] Invariant cache hit.
[2024-06-07 08:39:17] [INFO ] Implicit Places using invariants in 612 ms returned []
[2024-06-07 08:39:17] [INFO ] Invariant cache hit.
[2024-06-07 08:39:18] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:39:19] [INFO ] Implicit Places using invariants and state equation in 1811 ms returned []
Implicit Place search using SMT with State Equation took 2425 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:39:19] [INFO ] Invariant cache hit.
[2024-06-07 08:39:19] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 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 08:40:08] [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 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 76601ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76624ms
Finished structural reductions in LTL mode , in 1 iterations and 79090 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-00 finished in 319852 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 129 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 38 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:40:36] [INFO ] Invariant cache hit.
[2024-06-07 08:40:37] [INFO ] Implicit Places using invariants in 619 ms returned []
[2024-06-07 08:40:37] [INFO ] Invariant cache hit.
[2024-06-07 08:40:38] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:40:39] [INFO ] Implicit Places using invariants and state equation in 1823 ms returned []
Implicit Place search using SMT with State Equation took 2444 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:40:39] [INFO ] Invariant cache hit.
[2024-06-07 08:40:39] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 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 08:41:28] [INFO ] Deduced a trap composed of 66 places in 140 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 76434ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76454ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 78939 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 1642 ms.
Product exploration explored 100000 steps with 25000 reset in 1669 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 107 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 187 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 118 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 150 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 145 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 08:42:02] [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 34 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:42:17] [INFO ] Invariant cache hit.
[2024-06-07 08:42:17] [INFO ] Implicit Places using invariants in 595 ms returned []
[2024-06-07 08:42:17] [INFO ] Invariant cache hit.
[2024-06-07 08:42:18] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:42:19] [INFO ] Implicit Places using invariants and state equation in 1757 ms returned []
Implicit Place search using SMT with State Equation took 2353 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:42:19] [INFO ] Invariant cache hit.
[2024-06-07 08:42:19] [INFO ] State equation strengthened by 7 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s275 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 30029 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 08:43:09] [INFO ] Deduced a trap composed of 66 places in 144 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 76528ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76545ms
Finished structural reductions in LTL mode , in 1 iterations and 78935 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 89 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 142 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 97 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 147 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 137 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2024-06-07 08:43:39] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 165 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 25000 reset in 1597 ms.
Product exploration explored 100000 steps with 25000 reset in 1649 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 156 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 148 ms. Remains 1159 /1159 variables (removed 0) and now considering 2185/2185 (removed 0) transitions.
[2024-06-07 08:43:58] [INFO ] Redundant transitions in 40 ms returned []
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:43:58] [INFO ] Invariant cache hit.
[2024-06-07 08:43:58] [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 08:44:48] [INFO ] Deduced a trap composed of 66 places in 148 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 77362ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 77379ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 77581 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 08:45:15] [INFO ] Invariant cache hit.
[2024-06-07 08:45:16] [INFO ] Implicit Places using invariants in 621 ms returned []
[2024-06-07 08:45:16] [INFO ] Invariant cache hit.
[2024-06-07 08:45:17] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-06-07 08:45:18] [INFO ] Implicit Places using invariants and state equation in 1819 ms returned []
Implicit Place search using SMT with State Equation took 2444 ms to find 0 implicit places.
Running 2181 sub problems to find dead transitions.
[2024-06-07 08:45:18] [INFO ] Invariant cache hit.
[2024-06-07 08:45:18] [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 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 08:46:07] [INFO ] Deduced a trap composed of 66 places in 143 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 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 76866ms problems are : Problem set: 0 solved, 2181 unsolved
Search for dead transitions found 0 dead transitions in 76888ms
Finished structural reductions in LTL mode , in 1 iterations and 79366 ms. Remains : 1159/1159 places, 2185/2185 transitions.
Treatment of property BlocksWorld-PT-06-LTLFireability-03 finished in 358988 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 08:46:35] [INFO ] Flatten gal took : 114 ms
[2024-06-07 08:46:35] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 26 ms.
[2024-06-07 08:46:35] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1159 places, 2185 transitions and 10910 arcs took 11 ms.
Total runtime 2905270 ms.
There are residual formulas that ITS could not solve within timeout

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
mcc2024