About the Execution of ITS-Tools for BlocksWorld-PT-15
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16200.972 | 3600000.00 | 5538000.00 | 244586.50 | F?FFFFFFTFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r018-smll-177946788100404.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is BlocksWorld-PT-15, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100404
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 7.6K Mar 5 16:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 5 16:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 5 16:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 07:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 5 16:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 5 16:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 5.8M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-00
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-01
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-02
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-03
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-04
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-05
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-06
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-07
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-08
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-09
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-10
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-11
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-12
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-13
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-14
FORMULA_NAME BlocksWorld-PT-15-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779689390652
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 06:09:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 06:09:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:09:54] [INFO ] Load time of PNML (sax parser for PT used): 1360 ms
[2026-05-25 06:09:54] [INFO ] Transformed 6161 places.
[2026-05-25 06:09:54] [INFO ] Transformed 12013 transitions.
[2026-05-25 06:09:54] [INFO ] Found NUPN structural information;
[2026-05-25 06:09:55] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37, pred_on_table_38, pred_on_table_39, pred_on_table_40, pred_on_table_41, pred_on_table_42, pred_on_table_43, pred_on_table_44, pred_on_table_45, pred_on_table_46, pred_on_table_47, pred_on_table_48, pred_on_table_49, pred_on_table_50, pred_on_table_51, pred_on_table_52, pred_on_table_53, pred_on_table_54, pred_on_table_55, pred_on_table_56, pred_on_table_57, pred_on_table_58, pred_on_table_59, pred_on_table_60, pred_on_table_61, pred_on_table_62, pred_on_table_63, pred_on_table_64, pred_on_table_65, pred_on_table_66, pred_on_table_67, pred_on_table_68, pred_on_table_69, pred_on_table_70, pred_on_table_71, pred_on_table_72, pred_on_table_73, pred_on_table_74, pred_on_table_75, pred_on_table_76]
[2026-05-25 06:09:55] [INFO ] Parsed PT model containing 6161 places and 12013 transitions and 60038 arcs in 1698 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA BlocksWorld-PT-15-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-15-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-15-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 out of 6161 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6161/6161 places, 12013/12013 transitions.
Applied a total of 0 rules in 2383 ms. Remains 6161 /6161 variables (removed 0) and now considering 12013/12013 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2890255970833788572.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13177750541956798280.kers'
[2026-05-25 06:09:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2890255970833788572.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13177750541956798280.kers]
Normalized transition count is 12012 out of 12013 initially.
Culled 0 columns in 21 ms.
// Phase 1: matrix 12012 rows 6161 cols 59598 entries
Finished phase 1 with 6006 SingleSign rule and 0 generalized
[2026-05-25 06:09:58] [INFO ] Computed 155 invariants in 144 ms
Computed 155 P flows in 146 ms.
Exported basis to /tmp/petrispot-output-13177750541956798280.kers
Total runtime 161 ms.
[2026-05-25 06:10:17] [INFO ] Implicit Places using invariants in 18862 ms returned []
Implicit Place search using SMT only with invariants took 18915 ms to find 0 implicit places.
Running 12008 sub problems to find dead transitions.
[2026-05-25 06:10:17] [INFO ] Invariant cache hit.
[2026-05-25 06:10:17] [INFO ] State equation strengthened by 145 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD700 is UNSAT
Problem TDEAD856 is UNSAT
Problem TDEAD934 is UNSAT
Problem TDEAD1012 is UNSAT
Problem TDEAD1090 is UNSAT
Problem TDEAD1168 is UNSAT
Problem TDEAD1246 is UNSAT
Problem TDEAD1324 is UNSAT
Problem TDEAD1402 is UNSAT
Problem TDEAD1480 is UNSAT
Problem TDEAD1558 is UNSAT
Problem TDEAD1636 is UNSAT
Problem TDEAD1714 is UNSAT
Problem TDEAD1792 is UNSAT
Problem TDEAD1870 is UNSAT
Problem TDEAD1948 is UNSAT
Problem TDEAD2026 is UNSAT
Problem TDEAD2104 is UNSAT
Problem TDEAD2182 is UNSAT
Problem TDEAD2260 is UNSAT
Problem TDEAD2338 is UNSAT
Problem TDEAD2416 is UNSAT
Problem TDEAD2494 is UNSAT
Problem TDEAD2572 is UNSAT
Problem TDEAD2728 is UNSAT
Problem TDEAD2806 is UNSAT
Problem TDEAD2884 is UNSAT
Problem TDEAD2962 is UNSAT
Problem TDEAD3040 is UNSAT
Problem TDEAD3118 is UNSAT
Problem TDEAD3196 is UNSAT
Problem TDEAD3274 is UNSAT
Problem TDEAD3352 is UNSAT
Problem TDEAD3430 is UNSAT
Problem TDEAD3508 is UNSAT
Problem TDEAD3586 is UNSAT
Problem TDEAD3664 is UNSAT
Problem TDEAD3742 is UNSAT
Problem TDEAD3820 is UNSAT
Problem TDEAD3898 is UNSAT
Problem TDEAD3976 is UNSAT
Problem TDEAD4054 is UNSAT
Problem TDEAD4132 is UNSAT
Problem TDEAD4210 is UNSAT
Problem TDEAD4288 is UNSAT
Problem TDEAD4366 is UNSAT
Problem TDEAD4444 is UNSAT
Problem TDEAD4522 is UNSAT
Problem TDEAD4600 is UNSAT
Problem TDEAD4678 is UNSAT
Problem TDEAD4756 is UNSAT
Problem TDEAD4834 is UNSAT
Problem TDEAD4990 is UNSAT
Problem TDEAD5068 is UNSAT
Problem TDEAD5146 is UNSAT
Problem TDEAD5302 is UNSAT
Problem TDEAD5380 is UNSAT
Problem TDEAD5458 is UNSAT
Problem TDEAD5536 is UNSAT
Problem TDEAD5614 is UNSAT
Problem TDEAD5692 is UNSAT
Problem TDEAD5770 is UNSAT
Problem TDEAD5848 is UNSAT
Problem TDEAD5926 is UNSAT
Problem TDEAD6004 is UNSAT
Problem TDEAD6082 is UNSAT
Problem TDEAD6160 is UNSAT
Problem TDEAD6312 is UNSAT
Problem TDEAD6462 is UNSAT
Problem TDEAD6610 is UNSAT
Problem TDEAD6756 is UNSAT
Problem TDEAD6900 is UNSAT
Problem TDEAD7042 is UNSAT
Problem TDEAD7320 is UNSAT
Problem TDEAD7456 is UNSAT
Problem TDEAD7590 is UNSAT
Problem TDEAD7722 is UNSAT
Problem TDEAD7852 is UNSAT
Problem TDEAD7980 is UNSAT
Problem TDEAD8106 is UNSAT
Problem TDEAD8230 is UNSAT
Problem TDEAD8352 is UNSAT
Problem TDEAD8472 is UNSAT
Problem TDEAD8590 is UNSAT
Problem TDEAD8706 is UNSAT
Problem TDEAD8820 is UNSAT
Problem TDEAD8932 is UNSAT
Problem TDEAD9042 is UNSAT
Problem TDEAD9150 is UNSAT
Problem TDEAD9256 is UNSAT
Problem TDEAD9360 is UNSAT
Problem TDEAD9462 is UNSAT
Problem TDEAD9562 is UNSAT
Problem TDEAD9660 is UNSAT
Problem TDEAD9756 is UNSAT
Problem TDEAD9850 is UNSAT
Problem TDEAD10032 is UNSAT
Problem TDEAD10120 is UNSAT
Problem TDEAD10206 is UNSAT
Problem TDEAD10290 is UNSAT
Problem TDEAD10372 is UNSAT
Problem TDEAD10452 is UNSAT
Problem TDEAD10530 is UNSAT
Problem TDEAD10606 is UNSAT
Problem TDEAD10680 is UNSAT
Problem TDEAD10752 is UNSAT
Problem TDEAD10822 is UNSAT
Problem TDEAD10890 is UNSAT
Problem TDEAD10956 is UNSAT
Problem TDEAD11020 is UNSAT
Problem TDEAD11082 is UNSAT
Problem TDEAD11142 is UNSAT
Problem TDEAD11200 is UNSAT
Problem TDEAD11256 is UNSAT
Problem TDEAD11310 is UNSAT
Problem TDEAD11362 is UNSAT
Problem TDEAD11412 is UNSAT
Problem TDEAD11460 is UNSAT
Problem TDEAD11506 is UNSAT
Problem TDEAD11550 is UNSAT
Problem TDEAD11592 is UNSAT
Problem TDEAD11632 is UNSAT
Problem TDEAD11670 is UNSAT
Problem TDEAD11706 is UNSAT
Problem TDEAD11772 is UNSAT
Problem TDEAD11802 is UNSAT
Problem TDEAD11830 is UNSAT
Problem TDEAD11880 is UNSAT
Problem TDEAD11902 is UNSAT
Problem TDEAD11922 is UNSAT
Problem TDEAD11940 is UNSAT
Problem TDEAD11956 is UNSAT
Problem TDEAD11970 is UNSAT
Problem TDEAD11982 is UNSAT
Problem TDEAD11992 is UNSAT
Problem TDEAD12000 is UNSAT
Problem TDEAD12006 is UNSAT
Problem TDEAD12010 is UNSAT
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/6156 variables, 146/146 constraints. Problems are: Problem set: 146 solved, 11862 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6156/18174 variables, and 146 constraints, problems are : Problem set: 146 solved, 11862 unsolved in 30481 ms.
Refiners :[Positive P Invariants (semi-flows): 146/155 constraints, State Equation: 0/6161 constraints, ReadFeed: 0/145 constraints, PredecessorRefiner: 11935/6006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 146 solved, 11862 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6083 variables, 5/5 constraints. Problems are: Problem set: 146 solved, 11862 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6083/18174 variables, and 5 constraints, problems are : Problem set: 146 solved, 11862 unsolved in 30359 ms.
Refiners :[Positive P Invariants (semi-flows): 5/155 constraints, State Equation: 0/6161 constraints, ReadFeed: 0/145 constraints, PredecessorRefiner: 5929/6006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 100924ms problems are : Problem set: 146 solved, 11862 unsolved
Search for dead transitions found 146 dead transitions in 101056ms
Found 146 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 146 transitions
Dead transitions reduction (with SMT) removed 146 transitions
Starting structural reductions in LTL mode, iteration 1 : 6161/6161 places, 11867/12013 transitions.
Reduce places removed 73 places and 0 transitions.
Iterating post reduction 0 with 73 rules applied. Total rules applied 73 place count 6088 transition count 11867
Applied a total of 73 rules in 960 ms. Remains 6088 /6161 variables (removed 73) and now considering 11867/11867 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3674884106721899241.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10630535587478012282.kers'
[2026-05-25 06:11:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3674884106721899241.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10630535587478012282.kers]
Normalized transition count is 11866 out of 11867 initially.
Culled 0 columns in 12 ms.
// Phase 1: matrix 11866 rows 6088 cols 59160 entries
Finished phase 1 with 5933 SingleSign rule and 0 generalized
[2026-05-25 06:11:59] [INFO ] Computed 155 invariants in 89 ms
Computed 155 P flows in 90 ms.
Exported basis to /tmp/petrispot-output-10630535587478012282.kers
Total runtime 102 ms.
[2026-05-25 06:12:13] [INFO ] Implicit Places using invariants in 14151 ms returned []
Implicit Place search using SMT only with invariants took 14153 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6088/6161 places, 11867/12013 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 137615 ms. Remains : 6088/6161 places, 11867/12013 transitions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 1250 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:12:14] [INFO ] Invariant cache hit.
[2026-05-25 06:12:28] [INFO ] Implicit Places using invariants in 14136 ms returned []
Implicit Place search using SMT only with invariants took 14137 ms to find 0 implicit places.
Running 11862 sub problems to find dead transitions.
[2026-05-25 06:12:28] [INFO ] Invariant cache hit.
[2026-05-25 06:12:29] [INFO ] State equation strengthened by 9 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/6083 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 11862 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6083/17955 variables, and 146 constraints, problems are : Problem set: 0 solved, 11862 unsolved in 30264 ms.
Refiners :[Positive P Invariants (semi-flows): 146/155 constraints, State Equation: 0/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 11862/5933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11862 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6083 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 11862 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6083/17955 variables, and 146 constraints, problems are : Problem set: 0 solved, 11862 unsolved in 30216 ms.
Refiners :[Positive P Invariants (semi-flows): 146/155 constraints, State Equation: 0/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 5929/5933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 97804ms problems are : Problem set: 0 solved, 11862 unsolved
Search for dead transitions found 0 dead transitions in 97860ms
Finished structural reductions in LTL mode , in 1 iterations and 113305 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Support contains 60 out of 6088 places after structural reductions.
[2026-05-25 06:14:08] [INFO ] Flatten gal took : 997 ms
[2026-05-25 06:14:08] [INFO ] Flatten gal took : 546 ms
[2026-05-25 06:14:10] [INFO ] Input system was already deterministic with 11867 transitions.
Support contains 58 out of 6088 places (down from 60) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 10646 ms. (3 steps per ms) remains 8/29 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1296 ms. (30 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1044 ms. (38 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1303 ms. (30 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1317 ms. (30 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 792 ms. (50 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 823 ms. (48 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1007 ms. (39 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 979 ms. (40 steps per ms) remains 8/8 properties
[2026-05-25 06:14:15] [INFO ] Invariant cache hit.
[2026-05-25 06:14:15] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 1919/1938 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1938 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 4150/6088 variables, 128/155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6088/17955 variables, and 155 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5025 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 0/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 8/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 1919/1938 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1938 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 4150/6088 variables, 128/155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6088/17955 variables, and 155 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 0/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 7/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10192ms problems are : Problem set: 0 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 6088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6088/6088 places, 11867/11867 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 6088 transition count 11866
Applied a total of 1 rules in 118833 ms. Remains 6088 /6088 variables (removed 0) and now considering 11866/11867 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118837 ms. Remains : 6088/6088 places, 11866/11867 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 6088 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 5886 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:16:30] [INFO ] Invariant cache hit.
[2026-05-25 06:16:45] [INFO ] Implicit Places using invariants in 14326 ms returned []
Implicit Place search using SMT only with invariants took 14329 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 20224 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 328 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-00
Product exploration timeout after 53460 steps with 3 reset in 10002 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 2 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-00 finished in 30710 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 897 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:16:56] [INFO ] Invariant cache hit.
[2026-05-25 06:17:12] [INFO ] Implicit Places using invariants in 15591 ms returned []
Implicit Place search using SMT only with invariants took 15592 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 16492 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 125 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-01
Product exploration timeout after 51350 steps with 0 reset in 10001 ms.
Product exploration timeout after 51850 steps with 0 reset in 10001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 62 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 8101 ms. (4 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1218 ms. (32 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 291265 steps, run timeout after 6001 ms. (steps per millisecond=48 ) properties seen :0 out of 1
Probabilistic random walk after 291265 steps, saw 252645 distinct states, run finished after 6008 ms. (steps per millisecond=48 ) properties seen :0
[2026-05-25 06:17:41] [INFO ] Invariant cache hit.
[2026-05-25 06:17:41] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 530/535 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/535 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5553/6088 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 17954/17955 variables, and 6243 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 6088/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 530/535 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/535 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5553/6088 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 17954/17955 variables, and 6243 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5005 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 6088/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10073ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6088/6088 places, 11867/11867 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 6088 transition count 11866
Applied a total of 1 rules in 122351 ms. Remains 6088 /6088 variables (removed 0) and now considering 11866/11867 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122356 ms. Remains : 6088/6088 places, 11866/11867 transitions.
Knowledge based reduction with 2 factoid took 56 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 141310 ms.
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 589 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:19:54] [INFO ] Invariant cache hit.
[2026-05-25 06:20:09] [INFO ] Implicit Places using invariants in 15152 ms returned []
Implicit Place search using SMT only with invariants took 15157 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 15748 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 48 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 7900 ms. (5 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1017 ms. (39 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 283229 steps, run timeout after 6001 ms. (steps per millisecond=47 ) properties seen :0 out of 1
Probabilistic random walk after 283229 steps, saw 245414 distinct states, run finished after 6001 ms. (steps per millisecond=47 ) properties seen :0
[2026-05-25 06:20:17] [INFO ] Invariant cache hit.
[2026-05-25 06:20:18] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 530/535 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/535 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5553/6088 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 17954/17955 variables, and 6243 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 6088/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 530/535 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/535 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5553/6088 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 17954/17955 variables, and 6243 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 155/155 constraints, State Equation: 6088/6088 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10074ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6088/6088 places, 11867/11867 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 6088 transition count 11866
Applied a total of 1 rules in 121043 ms. Remains 6088 /6088 variables (removed 0) and now considering 11866/11867 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121043 ms. Remains : 6088/6088 places, 11866/11867 transitions.
Knowledge based reduction with 2 factoid took 62 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 128 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 139732 ms.
Stuttering acceptance computed with spot in 126 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration timeout after 54270 steps with 0 reset in 10002 ms.
Product exploration timeout after 53830 steps with 0 reset in 10002 ms.
Spot run failed in 131 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin15874447469589183944
[2026-05-25 06:22:50] [INFO ] Built C files in 243ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15874447469589183944
Running compilation step : cd /tmp/ltsmin15874447469589183944;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15874447469589183944;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15874447469589183944;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 556 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:22:53] [INFO ] Invariant cache hit.
[2026-05-25 06:23:08] [INFO ] Implicit Places using invariants in 14445 ms returned []
Implicit Place search using SMT only with invariants took 14445 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 15005 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Built C files in :
/tmp/ltsmin6339667623785745174
[2026-05-25 06:23:08] [INFO ] Built C files in 166ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6339667623785745174
Running compilation step : cd /tmp/ltsmin6339667623785745174;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6339667623785745174;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6339667623785745174;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-25 06:23:12] [INFO ] Flatten gal took : 423 ms
[2026-05-25 06:23:12] [INFO ] Flatten gal took : 424 ms
[2026-05-25 06:23:13] [INFO ] Time to serialize gal into /tmp/LTL16015947133442605415.gal : 167 ms
[2026-05-25 06:23:13] [INFO ] Time to serialize properties into /tmp/LTL9060298527873067571.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16015947133442605415.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11108149117691576982.hoa' '-atoms' '/tmp/LTL9060298527873067571.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL9060298527873067571.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11108149117691576982.hoa
Detected timeout of ITS tools.
[2026-05-25 06:23:28] [INFO ] Flatten gal took : 386 ms
[2026-05-25 06:23:29] [INFO ] Flatten gal took : 392 ms
[2026-05-25 06:23:29] [INFO ] Time to serialize gal into /tmp/LTL5974629432803068191.gal : 117 ms
[2026-05-25 06:23:29] [INFO ] Time to serialize properties into /tmp/LTL1914280244148076858.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5974629432803068191.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1914280244148076858.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((((pred_arm_empty_0<1)||(pred_clear_32<1))||((pred_on_3343<1)||(pred_clear_17<1)))||(pred_on_710<1))")))))
Formula 0 simplified : XXF!"((((pred_arm_empty_0<1)||(pred_clear_32<1))||((pred_on_3343<1)||(pred_clear_17<1)))||(pred_on_710<1))"
Detected timeout of ITS tools.
[2026-05-25 06:23:44] [INFO ] Flatten gal took : 377 ms
[2026-05-25 06:23:44] [INFO ] Applying decomposition
[2026-05-25 06:23:45] [INFO ] Flatten gal took : 386 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12834516214306671048.txt' '-o' '/tmp/graph12834516214306671048.bin' '-w' '/tmp/graph12834516214306671048.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12834516214306671048.bin' '-l' '-1' '-v' '-w' '/tmp/graph12834516214306671048.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:23:46] [INFO ] Decomposing Gal with order
[2026-05-25 06:23:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:23:49] [INFO ] Removed a total of 22952 redundant transitions.
[2026-05-25 06:23:50] [INFO ] Flatten gal took : 2829 ms
[2026-05-25 06:23:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 646 labels/synchronizations in 510 ms.
[2026-05-25 06:23:51] [INFO ] Time to serialize gal into /tmp/LTL7961077465683019577.gal : 223 ms
[2026-05-25 06:23:51] [INFO ] Time to serialize properties into /tmp/LTL4885065509222613064.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7961077465683019577.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4885065509222613064.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((((i7.u8.pred_arm_empty_0<1)||(u32.pred_clear_32<1))||((u43.pred_on_3343<1)||(u17.pred_clear_17<1)))||(u17.pred_on_710<1))"...160
Formula 0 simplified : XXF!"((((i7.u8.pred_arm_empty_0<1)||(u32.pred_clear_32<1))||((u43.pred_on_3343<1)||(u17.pred_clear_17<1)))||(u17.pred_on_710<1))"
Detected timeout of ITS tools.
Treatment of property BlocksWorld-PT-15-LTLFireability-01 finished in 431065 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p1))||p0)))'
Support contains 4 out of 6088 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 3775 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:24:10] [INFO ] Invariant cache hit.
[2026-05-25 06:24:29] [INFO ] Implicit Places using invariants in 18939 ms returned []
Implicit Place search using SMT only with invariants took 18940 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 22716 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p1))||p0)))'
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-15-LTLFireability-02
Product exploration timeout after 57030 steps with 32 reset in 10001 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-02 finished in 32862 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((p1||F(G(p2))))&&p0)))'
Support contains 9 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 550 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:24:40] [INFO ] Invariant cache hit.
[2026-05-25 06:24:54] [INFO ] Implicit Places using invariants in 14601 ms returned []
Implicit Place search using SMT only with invariants took 14609 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 15160 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((p1||F(G(p2))))&&p0)))'
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-03
Product exploration timeout after 57890 steps with 12 reset in 10001 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-03 finished in 25404 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 6088 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 3694 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:25:08] [INFO ] Invariant cache hit.
[2026-05-25 06:25:23] [INFO ] Implicit Places using invariants in 14687 ms returned []
Implicit Place search using SMT only with invariants took 14688 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 18383 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-04
Product exploration timeout after 53110 steps with 0 reset in 10001 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-04 finished in 28500 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(X(X(p0))))&&(p1 U p2))))'
Support contains 6 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 589 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:25:34] [INFO ] Invariant cache hit.
[2026-05-25 06:25:54] [INFO ] Implicit Places using invariants in 20202 ms returned []
Implicit Place search using SMT only with invariants took 20204 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 20794 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(X(X(p0))))&&(p1 U p2))))'
Stuttering acceptance computed with spot in 1108 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-05
Product exploration timeout after 57720 steps with 13 reset in 10001 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 2 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-05 finished in 31983 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 2 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 592 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:26:06] [INFO ] Invariant cache hit.
[2026-05-25 06:26:25] [INFO ] Implicit Places using invariants in 19687 ms returned []
Implicit Place search using SMT only with invariants took 19689 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 20283 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 2751 ms.
Product exploration explored 100000 steps with 50000 reset in 3262 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 14 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 48 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-15-LTLFireability-08 finished in 26490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 7 out of 6088 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 3811 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:26:35] [INFO ] Invariant cache hit.
[2026-05-25 06:26:50] [INFO ] Implicit Places using invariants in 14521 ms returned []
Implicit Place search using SMT only with invariants took 14530 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 18344 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-09
Product exploration timeout after 52160 steps with 5 reset in 10002 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-09 finished in 28495 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F((G(F((G(F(!p1))||(!p0&&F(!p1)))))||(X(X(!p2))&&F((G(F(!p1))||(!p0&&F(!p1)))))))))'
Support contains 7 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 644 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:27:01] [INFO ] Invariant cache hit.
[2026-05-25 06:27:19] [INFO ] Implicit Places using invariants in 18065 ms returned []
Implicit Place search using SMT only with invariants took 18077 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 18724 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F((G(F((G(F(p1))||(!p0&&F(p1)))))||(X(X(p2))&&F((G(F(p1))||(!p0&&F(p1)))))))))'
Stuttering acceptance computed with spot in 438 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-10 finished in 19265 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(X(X(X(G(!p1)))))))'
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 958 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:27:20] [INFO ] Invariant cache hit.
[2026-05-25 06:27:38] [INFO ] Implicit Places using invariants in 18146 ms returned []
Implicit Place search using SMT only with invariants took 18147 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 19106 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(p1)&&X(X(X(X(G(!p1)))))))'
Stuttering acceptance computed with spot in 372 ms :[true, (NOT p1), (NOT p0), p1, p1, p1, p1, true]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-11
Entered a terminal (fully accepting) state of product in 25606 steps with 2 reset in 5060 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-11 finished in 24619 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X((G(p1)&&p0))) U (G(!p2)||F(p3)))))'
Support contains 9 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 742 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:27:45] [INFO ] Invariant cache hit.
[2026-05-25 06:28:00] [INFO ] Implicit Places using invariants in 15574 ms returned []
Implicit Place search using SMT only with invariants took 15577 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 16320 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X((G(p1)&&p0))) U (G(!p2)||F(p3)))))'
Stuttering acceptance computed with spot in 506 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p3) p2 p0 p1), false, (AND (NOT p3) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-12
Product exploration timeout after 65920 steps with 10967 reset in 10002 ms.
Product exploration timeout after 69270 steps with 11585 reset in 10001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 139 ms. Reduced automaton from 10 states, 21 edges and 4 AP (stutter sensitive) to 10 states, 21 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 8659 ms. (4 steps per ms) remains 7/16 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1231 ms. (32 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1270 ms. (31 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1674 ms. (23 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1449 ms. (27 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1434 ms. (27 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1217 ms. (32 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1449 ms. (27 steps per ms) remains 7/7 properties
[2026-05-25 06:28:26] [INFO ] Invariant cache hit.
[2026-05-25 06:28:26] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem apf3 is UNSAT
Problem apf5 is UNSAT
Problem apf7 is UNSAT
Problem apf10 is UNSAT
At refinement iteration 1 (OVERLAPS) 966/975 variables, 13/13 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/975 variables, 0/13 constraints. Problems are: Problem set: 4 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 5113/6088 variables, 142/155 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 4 solved, 3 unsolved
SMT process timed out in 5098ms, After SMT, problems are : Problem set: 4 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 6088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6088/6088 places, 11867/11867 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 6088 transition count 11866
Applied a total of 1 rules in 122744 ms. Remains 6088 /6088 variables (removed 0) and now considering 11866/11867 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122746 ms. Remains : 6088/6088 places, 11866/11867 transitions.
Found 4 invariant AP formulas.
Knowledge based reduction with 13 factoid took 285 ms. Reduced automaton from 10 states, 21 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 263 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3), false, false]
Knowledge-based reduction took 133679 ms.
Stuttering acceptance computed with spot in 262 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3), false, false]
Support contains 5 out of 6088 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 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 4515 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:30:39] [INFO ] Invariant cache hit.
[2026-05-25 06:30:57] [INFO ] Implicit Places using invariants in 17282 ms returned []
Implicit Place search using SMT only with invariants took 17288 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 21805 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 13 factoid took 68 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 8715 ms. (4 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1333 ms. (29 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1543 ms. (25 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1295 ms. (30 steps per ms) remains 3/3 properties
[2026-05-25 06:31:00] [INFO ] Invariant cache hit.
[2026-05-25 06:31:00] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 529/534 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/534 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 5554/6088 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6088 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SMT process timed out in 5056ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6088/6088 places, 11867/11867 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 6088 transition count 11866
Applied a total of 1 rules in 121046 ms. Remains 6088 /6088 variables (removed 0) and now considering 11866/11867 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121048 ms. Remains : 6088/6088 places, 11866/11867 transitions.
Knowledge based reduction with 13 factoid took 107 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 247 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3)]
Knowledge-based reduction took 130013 ms.
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3)]
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3)]
Product exploration timeout after 51410 steps with 2 reset in 10002 ms.
Stack based approach found an accepted trace after 10966 steps with 0 reset with depth 10967 and stack size 9521 in 2166 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-12 finished in 335454 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(((G(p0)||F(p1)) U G(p2))) U (G(F(p0)) U p3)))'
Support contains 9 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 756 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:33:20] [INFO ] Invariant cache hit.
[2026-05-25 06:33:36] [INFO ] Implicit Places using invariants in 15848 ms returned []
Implicit Place search using SMT only with invariants took 15854 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 16610 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(((G(p0)||F(p1)) U G(p2))) U (G(F(p0)) U p3)))'
Stuttering acceptance computed with spot in 385 ms :[(NOT p3), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p2), (OR (AND p0 (NOT p1) (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND p0 (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p1) p2 (NOT p3))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-13
Product exploration timeout after 52720 steps with 5 reset in 10002 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 2 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-13 finished in 27113 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(X(G(p1)))&&p0))))))'
Support contains 5 out of 6088 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6088/6088 places, 11867/11867 transitions.
Applied a total of 0 rules in 742 ms. Remains 6088 /6088 variables (removed 0) and now considering 11867/11867 (removed 0) transitions.
[2026-05-25 06:33:47] [INFO ] Invariant cache hit.
[2026-05-25 06:34:03] [INFO ] Implicit Places using invariants in 16087 ms returned []
Implicit Place search using SMT only with invariants took 16090 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 16833 ms. Remains : 6088/6088 places, 11867/11867 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(X(G(p1)))&&p0))))))'
Stuttering acceptance computed with spot in 357 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BlocksWorld-PT-15-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA BlocksWorld-PT-15-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-15-LTLFireability-14 finished in 17279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Spot run failed in 88 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-25 06:34:05] [INFO ] Flatten gal took : 615 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin9803646111191183480
[2026-05-25 06:34:05] [INFO ] Too many transitions (11867) to apply POR reductions. Disabling POR matrices.
[2026-05-25 06:34:05] [INFO ] Applying decomposition
[2026-05-25 06:34:05] [INFO ] Built C files in 211ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9803646111191183480
Running compilation step : cd /tmp/ltsmin9803646111191183480;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-25 06:34:05] [INFO ] Flatten gal took : 380 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6569413668284496512.txt' '-o' '/tmp/graph6569413668284496512.bin' '-w' '/tmp/graph6569413668284496512.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6569413668284496512.bin' '-l' '-1' '-v' '-w' '/tmp/graph6569413668284496512.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:34:06] [INFO ] Decomposing Gal with order
[2026-05-25 06:34:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:34:08] [INFO ] Removed a total of 22952 redundant transitions.
[2026-05-25 06:34:09] [INFO ] Flatten gal took : 1746 ms
[2026-05-25 06:34:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 678 labels/synchronizations in 386 ms.
[2026-05-25 06:34:10] [INFO ] Time to serialize gal into /tmp/LTLFireability3630542888590598124.gal : 115 ms
[2026-05-25 06:34:10] [INFO ] Time to serialize properties into /tmp/LTLFireability9119679740580028944.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability3630542888590598124.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability9119679740580028944.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((((i28.u32.pred_arm_empty_0<1)||(i28.u32.pred_clear_32<1))||((u43.pred_on_3343<1)||(u17.pred_clear_17<1)))||(u9.pred_on_710...165
Formula 0 simplified : XXF!"((((i28.u32.pred_arm_empty_0<1)||(i28.u32.pred_clear_32<1))||((u43.pred_on_3343<1)||(u17.pred_clear_17<1)))||(u9.pred_on_710<1)...157
Compilation finished in 146015 ms.
Running link step : cd /tmp/ltsmin9803646111191183480;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 163 ms.
Running LTSmin : cd /tmp/ltsmin9803646111191183480;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X(X([]((LTLAPp0==true))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-25 07:02:20] [INFO ] Applying decomposition
[2026-05-25 07:02:25] [INFO ] Flatten gal took : 5378 ms
[2026-05-25 07:02:27] [INFO ] Decomposing Gal with order
[2026-05-25 07:02:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:02:58] [INFO ] Removed a total of 35130 redundant transitions.
[2026-05-25 07:02:59] [INFO ] Flatten gal took : 5359 ms
[2026-05-25 07:02:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 114 ms.
[2026-05-25 07:02:59] [INFO ] Time to serialize gal into /tmp/LTLFireability9664071616084967660.gal : 123 ms
[2026-05-25 07:02:59] [INFO ] Time to serialize properties into /tmp/LTLFireability3756148936075819926.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability9664071616084967660.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability3756148936075819926.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(X(G("((((missing.pred_arm_empty_0<1)||(u111.pred_clear_32<1))||((u35.pred_on_3343<1)||(u96.pred_clear_17<1)))||(u31.pred_on_710<1...163
Formula 0 simplified : XXF!"((((missing.pred_arm_empty_0<1)||(u111.pred_clear_32<1))||((u35.pred_on_3343<1)||(u96.pred_clear_17<1)))||(u31.pred_on_710<1))"
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BlocksWorld-PT-15"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is BlocksWorld-PT-15, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-smll-177946788100404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-15.tgz
mv BlocksWorld-PT-15 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;