About the Execution of ITS-Tools for BlocksWorld-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 6299.903 | 3600000.00 | 3811735.00 | 9650.30 | F?FFTFFFF???T?F? | 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-177946788200444.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-20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788200444
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 9.6K Mar 5 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 5 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 16:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 5 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 5 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:31 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 11M 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-20-LTLFireability-00
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-01
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-02
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-03
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-04
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-05
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-06
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-07
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-08
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-09
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-10
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-11
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-12
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-13
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-14
FORMULA_NAME BlocksWorld-PT-20-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779740800848
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-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 20:26:43] [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 20:26:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:26:44] [INFO ] Load time of PNML (sax parser for PT used): 1455 ms
[2026-05-25 20:26:45] [INFO ] Transformed 10711 places.
[2026-05-25 20:26:45] [INFO ] Transformed 21013 transitions.
[2026-05-25 20:26:45] [INFO ] Found NUPN structural information;
[2026-05-25 20:26:45] [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, pred_on_table_77, pred_on_table_78, pred_on_table_79, pred_on_table_80, pred_on_table_81, pred_on_table_82, pred_on_table_83, pred_on_table_84, pred_on_table_85, pred_on_table_86, pred_on_table_87, pred_on_table_88, pred_on_table_89, pred_on_table_90, pred_on_table_91, pred_on_table_92, pred_on_table_93, pred_on_table_94, pred_on_table_95, pred_on_table_96, pred_on_table_97, pred_on_table_98, pred_on_table_99, pred_on_table_100, pred_on_table_101]
[2026-05-25 20:26:45] [INFO ] Parsed PT model containing 10711 places and 21013 transitions and 105048 arcs in 2093 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA BlocksWorld-PT-20-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-20-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 59 out of 10711 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10711/10711 places, 21013/21013 transitions.
Applied a total of 0 rules in 361 ms. Remains 10711 /10711 variables (removed 0) and now considering 21013/21013 (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-2196928997047358140.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10547608334270701266.kers'
[2026-05-25 20:26:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2196928997047358140.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10547608334270701266.kers]
Normalized transition count is 21012 out of 21013 initially.
Culled 0 columns in 38 ms.
// Phase 1: matrix 21012 rows 10711 cols 104448 entries
Finished phase 1 with 10506 SingleSign rule and 0 generalized
[2026-05-25 20:26:46] [INFO ] Computed 205 invariants in 278 ms
Computed 205 P flows in 280 ms.
Exported basis to /tmp/petrispot-output-10547608334270701266.kers
Total runtime 315 ms.
[2026-05-25 20:27:20] [INFO ] Performed 9086/10711 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 20:27:24] [INFO ] Implicit Places using invariants in 38276 ms returned []
Implicit Place search using SMT only with invariants took 38345 ms to find 0 implicit places.
Running 21003 sub problems to find dead transitions.
[2026-05-25 20:27:25] [INFO ] Invariant cache hit.
[2026-05-25 20:27:25] [INFO ] State equation strengthened by 185 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD719 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD925 is UNSAT
Problem TDEAD1028 is UNSAT
Problem TDEAD1131 is UNSAT
Problem TDEAD1234 is UNSAT
Problem TDEAD1337 is UNSAT
Problem TDEAD1440 is UNSAT
Problem TDEAD1543 is UNSAT
Problem TDEAD1646 is UNSAT
Problem TDEAD1749 is UNSAT
Problem TDEAD1852 is UNSAT
Problem TDEAD1955 is UNSAT
Problem TDEAD2058 is UNSAT
Problem TDEAD2161 is UNSAT
Problem TDEAD2264 is UNSAT
Problem TDEAD2470 is UNSAT
Problem TDEAD2573 is UNSAT
Problem TDEAD2676 is UNSAT
Problem TDEAD2779 is UNSAT
Problem TDEAD2985 is UNSAT
Problem TDEAD3088 is UNSAT
Problem TDEAD3191 is UNSAT
Problem TDEAD3294 is UNSAT
Problem TDEAD3397 is UNSAT
Problem TDEAD3500 is UNSAT
Problem TDEAD3603 is UNSAT
Problem TDEAD3706 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10701 variables, 185/185 constraints. Problems are: Problem set: 32 solved, 20971 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10701/31724 variables, and 185 constraints, problems are : Problem set: 32 solved, 20971 unsolved in 31027 ms.
Refiners :[Positive P Invariants (semi-flows): 185/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/185 constraints, PredecessorRefiner: 20972/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 32 solved, 20971 unsolved
Problem TDEAD3809 is UNSAT
Problem TDEAD3912 is UNSAT
Problem TDEAD4015 is UNSAT
Problem TDEAD4118 is UNSAT
Problem TDEAD4221 is UNSAT
Problem TDEAD4324 is UNSAT
Problem TDEAD4427 is UNSAT
Problem TDEAD4530 is UNSAT
Problem TDEAD4633 is UNSAT
Problem TDEAD4736 is UNSAT
Problem TDEAD4942 is UNSAT
Problem TDEAD5045 is UNSAT
Problem TDEAD5148 is UNSAT
Problem TDEAD5251 is UNSAT
Problem TDEAD5354 is UNSAT
Problem TDEAD5560 is UNSAT
Problem TDEAD5663 is UNSAT
Problem TDEAD5766 is UNSAT
Problem TDEAD5869 is UNSAT
Problem TDEAD5972 is UNSAT
Problem TDEAD6075 is UNSAT
Problem TDEAD6178 is UNSAT
Problem TDEAD6281 is UNSAT
Problem TDEAD6384 is UNSAT
Problem TDEAD6487 is UNSAT
Problem TDEAD6590 is UNSAT
Problem TDEAD6796 is UNSAT
Problem TDEAD6899 is UNSAT
Problem TDEAD7002 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10670 variables, 127/127 constraints. Problems are: Problem set: 61 solved, 20942 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10670/31724 variables, and 127 constraints, problems are : Problem set: 61 solved, 20942 unsolved in 30398 ms.
Refiners :[Positive P Invariants (semi-flows): 127/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/185 constraints, PredecessorRefiner: 20739/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131266ms problems are : Problem set: 61 solved, 20942 unsolved
Search for dead transitions found 61 dead transitions in 131522ms
Found 61 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 61 transitions
Dead transitions reduction (with SMT) removed 61 transitions
Starting structural reductions in LTL mode, iteration 1 : 10711/10711 places, 20952/21013 transitions.
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 10651 transition count 20952
Applied a total of 60 rules in 223 ms. Remains 10651 /10711 variables (removed 60) and now considering 20952/20952 (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-16382080955672552860.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11009981412553353532.kers'
[2026-05-25 20:29:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16382080955672552860.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11009981412553353532.kers]
Normalized transition count is 20951 out of 20952 initially.
Culled 0 columns in 22 ms.
// Phase 1: matrix 20951 rows 10651 cols 104206 entries
Finished phase 1 with 10446 SingleSign rule and 59 generalized
[2026-05-25 20:29:36] [INFO ] Computed 146 invariants in 164 ms
Computed 146 P flows in 164 ms.
Exported basis to /tmp/petrispot-output-11009981412553353532.kers
Total runtime 187 ms.
[2026-05-25 20:30:05] [INFO ] Implicit Places using invariants in 28776 ms returned []
Implicit Place search using SMT only with invariants took 28779 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10651/10711 places, 20952/21013 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 199468 ms. Remains : 10651/10711 places, 20952/21013 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10651/10651 places, 20952/20952 transitions.
Applied a total of 0 rules in 86 ms. Remains 10651 /10651 variables (removed 0) and now considering 20952/20952 (removed 0) transitions.
[2026-05-25 20:30:05] [INFO ] Invariant cache hit.
[2026-05-25 20:30:35] [INFO ] Implicit Places using invariants in 29636 ms returned []
Implicit Place search using SMT only with invariants took 29643 ms to find 0 implicit places.
Running 20942 sub problems to find dead transitions.
[2026-05-25 20:30:35] [INFO ] Invariant cache hit.
[2026-05-25 20:30:35] [INFO ] State equation strengthened by 130 read => feed constraints.
Problem TDEAD7044 is UNSAT
Problem TDEAD7147 is UNSAT
Problem TDEAD7250 is UNSAT
Problem TDEAD7353 is UNSAT
Problem TDEAD7456 is UNSAT
Problem TDEAD7559 is UNSAT
Problem TDEAD7662 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10641 variables, 73/73 constraints. Problems are: Problem set: 7 solved, 20935 unsolved
SMT process timed out in 99166ms, After SMT, problems are : Problem set: 7 solved, 20935 unsolved
Search for dead transitions found 7 dead transitions in 99237ms
Found 7 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 7 transitions
Dead transitions reduction (with SMT) removed 7 transitions
Starting structural reductions in LTL mode, iteration 1 : 10651/10651 places, 20945/20952 transitions.
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 10644 transition count 20945
Applied a total of 7 rules in 177 ms. Remains 10644 /10651 variables (removed 7) and now considering 20945/20945 (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-10804699892630687641.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5424599830512183223.kers'
[2026-05-25 20:32:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10804699892630687641.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5424599830512183223.kers]
Normalized transition count is 20944 out of 20945 initially.
Culled 0 columns in 22 ms.
// Phase 1: matrix 20944 rows 10644 cols 104178 entries
Finished phase 1 with 10439 SingleSign rule and 66 generalized
[2026-05-25 20:32:14] [INFO ] Computed 139 invariants in 170 ms
Computed 139 P flows in 171 ms.
Exported basis to /tmp/petrispot-output-5424599830512183223.kers
Total runtime 192 ms.
[2026-05-25 20:32:40] [INFO ] Implicit Places using invariants in 25634 ms returned []
Implicit Place search using SMT only with invariants took 25639 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10644/10651 places, 20945/20952 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 154856 ms. Remains : 10644/10651 places, 20945/20952 transitions.
Support contains 59 out of 10644 places after structural reductions.
[2026-05-25 20:32:42] [INFO ] Flatten gal took : 1229 ms
[2026-05-25 20:32:42] [INFO ] Flatten gal took : 805 ms
[2026-05-25 20:32:44] [INFO ] Input system was already deterministic with 20945 transitions.
Reduction of identical properties reduced properties to check from 34 to 33
RANDOM walk for 40000 steps (8 resets) in 12513 ms. (3 steps per ms) remains 8/33 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2040 ms. (19 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1405 ms. (28 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1452 ms. (27 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1283 ms. (31 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1340 ms. (29 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1138 ms. (35 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 965 ms. (41 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1062 ms. (37 steps per ms) remains 8/8 properties
[2026-05-25 20:32:51] [INFO ] Invariant cache hit.
[2026-05-25 20:32:51] [INFO ] State equation strengthened by 125 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp29 is UNSAT
At refinement iteration 1 (OVERLAPS) 1484/1505 variables, 15/15 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1505 variables, 0/15 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 4725/6230 variables, 58/73 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6230/31589 variables, and 73 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5201 ms.
Refiners :[Positive P Invariants (semi-flows): 73/73 constraints, Generalized P Invariants (flows): 0/66 constraints, State Equation: 0/10644 constraints, ReadFeed: 0/125 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 706/719 variables, 7/7 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/719 variables, 0/7 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 5509/6228 variables, 66/73 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6228/31589 variables, and 73 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 73/73 constraints, Generalized P Invariants (flows): 0/66 constraints, State Equation: 0/10644 constraints, ReadFeed: 0/125 constraints, PredecessorRefiner: 6/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10425ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 10644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10644/10644 places, 20945/20945 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 10644 transition count 20944
Applied a total of 1 rules in 351198 ms. Remains 10644 /10644 variables (removed 0) and now considering 20944/20945 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 351200 ms. Remains : 10644/10644 places, 20944/20945 transitions.
FORMULA BlocksWorld-PT-20-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 13 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_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(X(p1))) U (X((p1 U p0))&&G(p1))))'
Support contains 5 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 75 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 20:38:53] [INFO ] Invariant cache hit.
[2026-05-25 20:39:24] [INFO ] Implicit Places using invariants in 30596 ms returned []
Implicit Place search using SMT only with invariants took 30597 ms to find 0 implicit places.
Running 20935 sub problems to find dead transitions.
[2026-05-25 20:39:24] [INFO ] Invariant cache hit.
[2026-05-25 20:39:24] [INFO ] State equation strengthened by 125 read => feed constraints.
Problem TDEAD7758 is UNSAT
Problem TDEAD7861 is UNSAT
Problem TDEAD7964 is UNSAT
Problem TDEAD8067 is UNSAT
Problem TDEAD8170 is UNSAT
Problem TDEAD8273 is UNSAT
Problem TDEAD8376 is UNSAT
Problem TDEAD8479 is UNSAT
Problem TDEAD8685 is UNSAT
Problem TDEAD8788 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10634 variables, 61/61 constraints. Problems are: Problem set: 10 solved, 20925 unsolved
SMT process timed out in 96840ms, After SMT, problems are : Problem set: 10 solved, 20925 unsolved
Search for dead transitions found 10 dead transitions in 96916ms
Found 10 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 10 transitions
Dead transitions reduction (with SMT) removed 10 transitions
Starting structural reductions in LTL mode, iteration 1 : 10644/10644 places, 20935/20945 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 10634 transition count 20935
Applied a total of 10 rules in 88 ms. Remains 10634 /10644 variables (removed 10) and now considering 20935/20935 (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-14189246074919262425.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17176738104083572463.kers'
[2026-05-25 20:41:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14189246074919262425.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17176738104083572463.kers]
Normalized transition count is 20934 out of 20935 initially.
Culled 0 columns in 22 ms.
// Phase 1: matrix 20934 rows 10634 cols 104138 entries
Finished phase 1 with 10429 SingleSign rule and 76 generalized
[2026-05-25 20:41:01] [INFO ] Computed 129 invariants in 176 ms
Computed 129 P flows in 176 ms.
Exported basis to /tmp/petrispot-output-17176738104083572463.kers
Total runtime 199 ms.
[2026-05-25 20:41:28] [INFO ] Implicit Places using invariants in 27371 ms returned []
Implicit Place search using SMT only with invariants took 27378 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10634/10644 places, 20935/20945 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 155124 ms. Remains : 10634/10644 places, 20935/20945 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' '!(((!p0||X(X(p1))) U (X((p1 U p0))&&G(p1))))'
Stuttering acceptance computed with spot in 525 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (NOT p1), (NOT p1), true]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-00
Entered a terminal (fully accepting) state of product in 4571 steps with 0 reset in 1273 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-00 finished in 157113 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((G(p1)||p0))&&X(F(!p1))))'
Support contains 5 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 102 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (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-6949027845398851244.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10279339609845173658.kers'
[2026-05-25 20:41:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6949027845398851244.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10279339609845173658.kers]
Normalized transition count is 20944 out of 20945 initially.
Culled 0 columns in 38 ms.
// Phase 1: matrix 20944 rows 10644 cols 104178 entries
Finished phase 1 with 10439 SingleSign rule and 66 generalized
[2026-05-25 20:41:31] [INFO ] Computed 139 invariants in 303 ms
Computed 139 P flows in 303 ms.
Exported basis to /tmp/petrispot-output-10279339609845173658.kers
Total runtime 340 ms.
[2026-05-25 20:41:58] [INFO ] Implicit Places using invariants in 28170 ms returned []
Implicit Place search using SMT only with invariants took 28178 ms to find 0 implicit places.
Running 20935 sub problems to find dead transitions.
[2026-05-25 20:41:59] [INFO ] Invariant cache hit.
[2026-05-25 20:41:59] [INFO ] State equation strengthened by 125 read => feed constraints.
Problem TDEAD7758 is UNSAT
Problem TDEAD7861 is UNSAT
Problem TDEAD7964 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10634 variables, 61/61 constraints. Problems are: Problem set: 3 solved, 20932 unsolved
SMT process timed out in 104451ms, After SMT, problems are : Problem set: 3 solved, 20932 unsolved
Search for dead transitions found 3 dead transitions in 104516ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in LTL mode, iteration 1 : 10644/10644 places, 20942/20945 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 10641 transition count 20942
Applied a total of 3 rules in 98 ms. Remains 10641 /10644 variables (removed 3) and now considering 20942/20942 (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-11328266779570635507.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12357653308704942269.kers'
[2026-05-25 20:43:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11328266779570635507.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12357653308704942269.kers]
Normalized transition count is 20941 out of 20942 initially.
Culled 0 columns in 38 ms.
// Phase 1: matrix 20941 rows 10641 cols 104166 entries
Finished phase 1 with 10436 SingleSign rule and 69 generalized
[2026-05-25 20:43:43] [INFO ] Computed 136 invariants in 281 ms
Computed 136 P flows in 282 ms.
Exported basis to /tmp/petrispot-output-12357653308704942269.kers
Total runtime 313 ms.
[2026-05-25 20:44:13] [INFO ] Implicit Places using invariants in 30127 ms returned []
Implicit Place search using SMT only with invariants took 30133 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10641/10644 places, 20942/20945 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 163076 ms. Remains : 10641/10644 places, 20942/20945 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((G(p1)||p0))&&X(F(!p1))))'
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) p1), (NOT p1), (AND (NOT p1) (NOT p0)), (OR (NOT p0) p1), true]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-01
Product exploration timeout after 38090 steps with 0 reset in 10001 ms.
Product exploration timeout after 39550 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 11 factoid took 64 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 5 states, 8 edges and 2 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40000 steps (8 resets) in 11924 ms. (3 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1215 ms. (32 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1357 ms. (29 steps per ms) remains 2/2 properties
[2026-05-25 20:44:38] [INFO ] Invariant cache hit.
[2026-05-25 20:44:38] [INFO ] State equation strengthened by 122 read => feed constraints.
Problem apf3 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 102/107 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5708/5815 variables, 66/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5815 variables, 0/67 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4826/10641 variables, 69/136 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SMT process timed out in 14922ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 10641 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10641/10641 places, 20942/20942 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 10641 transition count 20941
Applied a total of 1 rules in 364422 ms. Remains 10641 /10641 variables (removed 0) and now considering 20941/20942 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364423 ms. Remains : 10641/10641 places, 20941/20942 transitions.
Found 1 invariant AP formulas.
Knowledge based reduction with 12 factoid took 79 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 383632 ms.
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 5 out of 10641 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10641/10641 places, 20942/20942 transitions.
Applied a total of 0 rules in 72 ms. Remains 10641 /10641 variables (removed 0) and now considering 20942/20942 (removed 0) transitions.
[2026-05-25 20:50:57] [INFO ] Invariant cache hit.
[2026-05-25 20:51:27] [INFO ] Implicit Places using invariants in 29406 ms returned []
Implicit Place search using SMT only with invariants took 29412 ms to find 0 implicit places.
Running 20932 sub problems to find dead transitions.
[2026-05-25 20:51:27] [INFO ] Invariant cache hit.
[2026-05-25 20:51:27] [INFO ] State equation strengthened by 122 read => feed constraints.
Problem TDEAD8064 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10631 variables, 55/55 constraints. Problems are: Problem set: 1 solved, 20931 unsolved
SMT process timed out in 103270ms, After SMT, problems are : Problem set: 1 solved, 20931 unsolved
Search for dead transitions found 1 dead transitions in 103338ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in LTL mode, iteration 1 : 10641/10641 places, 20941/20942 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10640 transition count 20941
Applied a total of 1 rules in 118 ms. Remains 10640 /10641 variables (removed 1) and now considering 20941/20941 (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-17298255538419599611.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-82172957829785817.kers'
[2026-05-25 20:53:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17298255538419599611.kers, --Pflows, --basisKERS=/tmp/petrispot-output-82172957829785817.kers]
Normalized transition count is 20940 out of 20941 initially.
Culled 0 columns in 38 ms.
// Phase 1: matrix 20940 rows 10640 cols 104162 entries
Finished phase 1 with 10435 SingleSign rule and 70 generalized
[2026-05-25 20:53:11] [INFO ] Computed 135 invariants in 281 ms
Computed 135 P flows in 282 ms.
Exported basis to /tmp/petrispot-output-82172957829785817.kers
Total runtime 314 ms.
[2026-05-25 20:53:38] [INFO ] Implicit Places using invariants in 28008 ms returned []
Implicit Place search using SMT only with invariants took 28009 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10640/10641 places, 20941/20942 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 160973 ms. Remains : 10640/10641 places, 20941/20942 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 49 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 12285 ms. (3 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 951 ms. (42 steps per ms) remains 1/1 properties
[2026-05-25 20:53:42] [INFO ] Invariant cache hit.
[2026-05-25 20:53:42] [INFO ] State equation strengthened by 121 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) 102/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5567/5674 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5674 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4966/10640 variables, 70/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 12748ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 10640 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10640/10640 places, 20941/20941 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 10640 transition count 20940
Applied a total of 1 rules in 350508 ms. Remains 10640 /10640 variables (removed 0) and now considering 20940/20941 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 350508 ms. Remains : 10640/10640 places, 20940/20941 transitions.
Knowledge based reduction with 2 factoid took 66 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 367301 ms.
Stuttering acceptance computed with spot in 192 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 223 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration timeout after 39670 steps with 0 reset in 10001 ms.
Product exploration timeout after 42150 steps with 0 reset in 10001 ms.
Spot run failed in 102 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/ltsmin7811696921489115614
[2026-05-25 21:00:07] [INFO ] Built C files in 392ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7811696921489115614
Running compilation step : cd /tmp/ltsmin7811696921489115614;'/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/ltsmin7811696921489115614;'/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/ltsmin7811696921489115614;'/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 10640 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10640/10640 places, 20941/20941 transitions.
Applied a total of 0 rules in 63 ms. Remains 10640 /10640 variables (removed 0) and now considering 20941/20941 (removed 0) transitions.
[2026-05-25 21:00:10] [INFO ] Invariant cache hit.
[2026-05-25 21:00:40] [INFO ] Implicit Places using invariants in 29834 ms returned []
Implicit Place search using SMT only with invariants took 29837 ms to find 0 implicit places.
Running 20931 sub problems to find dead transitions.
[2026-05-25 21:00:40] [INFO ] Invariant cache hit.
[2026-05-25 21:00:40] [INFO ] State equation strengthened by 121 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10630 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 20931 unsolved
SMT process timed out in 104552ms, After SMT, problems are : Problem set: 0 solved, 20931 unsolved
Search for dead transitions found 0 dead transitions in 104593ms
Finished structural reductions in LTL mode , in 1 iterations and 134517 ms. Remains : 10640/10640 places, 20941/20941 transitions.
Built C files in :
/tmp/ltsmin3116013298518805036
[2026-05-25 21:02:25] [INFO ] Built C files in 388ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3116013298518805036
Running compilation step : cd /tmp/ltsmin3116013298518805036;'/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/ltsmin3116013298518805036;'/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/ltsmin3116013298518805036;'/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 21:02:29] [INFO ] Flatten gal took : 613 ms
[2026-05-25 21:02:30] [INFO ] Flatten gal took : 697 ms
[2026-05-25 21:02:30] [INFO ] Time to serialize gal into /tmp/LTL9990244520827724359.gal : 182 ms
[2026-05-25 21:02:30] [INFO ] Time to serialize properties into /tmp/LTL4109108027595243123.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/LTL9990244520827724359.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14208839269757003306.hoa' '-atoms' '/tmp/LTL4109108027595243123.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...318
Loading property file /tmp/LTL4109108027595243123.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14208839269757003306.hoa
Detected timeout of ITS tools.
[2026-05-25 21:02:46] [INFO ] Flatten gal took : 587 ms
[2026-05-25 21:02:47] [INFO ] Flatten gal took : 597 ms
[2026-05-25 21:02:47] [INFO ] Time to serialize gal into /tmp/LTL12047909309768846239.gal : 141 ms
[2026-05-25 21:02:47] [INFO ] Time to serialize properties into /tmp/LTL7670989797234135803.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/LTL12047909309768846239.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7670989797234135803.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...276
Read 1 LTL properties
Checking formula 0 : !(((G(("(((pred_arm_empty_0<1)||(pred_clear_48<1))||((pred_on_2394<1)||(pred_arm_empty_0<1)))")||(("((pred_clear_30<1)||(pred_on_7170<...311
Formula 0 simplified : F(!"(((pred_arm_empty_0<1)||(pred_clear_48<1))||((pred_on_2394<1)||(pred_arm_empty_0<1)))" & !"((pred_clear_30<1)||(pred_on_7170<1))...297
Detected timeout of ITS tools.
[2026-05-25 21:03:03] [INFO ] Flatten gal took : 575 ms
[2026-05-25 21:03:03] [INFO ] Applying decomposition
[2026-05-25 21:03:03] [INFO ] Flatten gal took : 590 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/graph17320426339765268021.txt' '-o' '/tmp/graph17320426339765268021.bin' '-w' '/tmp/graph17320426339765268021.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17320426339765268021.bin' '-l' '-1' '-v' '-w' '/tmp/graph17320426339765268021.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:03:05] [INFO ] Decomposing Gal with order
[2026-05-25 21:03:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:03:12] [INFO ] Removed a total of 40727 redundant transitions.
[2026-05-25 21:03:13] [INFO ] Flatten gal took : 4693 ms
[2026-05-25 21:03:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 1448 labels/synchronizations in 1035 ms.
[2026-05-25 21:03:15] [INFO ] Time to serialize gal into /tmp/LTL12285602552068011840.gal : 249 ms
[2026-05-25 21:03:15] [INFO ] Time to serialize properties into /tmp/LTL145472562597658626.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/LTL12285602552068011840.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL145472562597658626.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 : !(((G(("(((i7.u8.pred_arm_empty_0<1)||(u48.pred_clear_48<1))||((u23.pred_on_2394<1)||(i7.u8.pred_arm_empty_0<1)))")||(("((u30.pred_cle...367
Formula 0 simplified : F(!"(((i7.u8.pred_arm_empty_0<1)||(u48.pred_clear_48<1))||((u23.pred_on_2394<1)||(i7.u8.pred_arm_empty_0<1)))" & !"((u30.pred_clear_...353
Detected timeout of ITS tools.
Treatment of property BlocksWorld-PT-20-LTLFireability-01 finished in 1319966 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) U (p1||X(X(X(X(X(G(p2)))))))))'
Support contains 7 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 59 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (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-15257929771385101983.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12260819575355013387.kers'
[2026-05-25 21:03:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15257929771385101983.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12260819575355013387.kers]
Normalized transition count is 20944 out of 20945 initially.
Culled 0 columns in 21 ms.
// Phase 1: matrix 20944 rows 10644 cols 104178 entries
Finished phase 1 with 10439 SingleSign rule and 66 generalized
[2026-05-25 21:03:30] [INFO ] Computed 139 invariants in 162 ms
Computed 139 P flows in 163 ms.
Exported basis to /tmp/petrispot-output-12260819575355013387.kers
Total runtime 182 ms.
[2026-05-25 21:03:57] [INFO ] Implicit Places using invariants in 26414 ms returned []
Implicit Place search using SMT only with invariants took 26418 ms to find 0 implicit places.
Running 20935 sub problems to find dead transitions.
[2026-05-25 21:03:57] [INFO ] Invariant cache hit.
[2026-05-25 21:03:57] [INFO ] State equation strengthened by 125 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10634 variables, 61/61 constraints. Problems are: Problem set: 0 solved, 20935 unsolved
SMT process timed out in 101053ms, After SMT, problems are : Problem set: 0 solved, 20935 unsolved
Search for dead transitions found 0 dead transitions in 101102ms
Finished structural reductions in LTL mode , in 1 iterations and 127819 ms. Remains : 10644/10644 places, 20945/20945 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) U (X(X(X(X(X(G(p1))))))||p2)))'
Stuttering acceptance computed with spot in 281 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p1)), p0]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-02
Product exploration timeout after 39480 steps with 10 reset in 10002 ms.
Stack based approach found an accepted trace after 38 steps with 0 reset with depth 39 and stack size 39 in 10 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-02 finished in 138205 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(F((p0&&X(p1)))) U (X(p3)&&p2)))'
Support contains 7 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 61 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:05:48] [INFO ] Invariant cache hit.
[2026-05-25 21:06:15] [INFO ] Implicit Places using invariants in 27129 ms returned []
Implicit Place search using SMT only with invariants took 27131 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 27194 ms. Remains : 10644/10644 places, 20945/20945 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(F((X(p0)&&p1))) U (X(p3)&&p2)))'
Stuttering acceptance computed with spot in 226 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p1) (NOT p0)), (NOT p3), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-03
Product exploration timeout after 38990 steps with 0 reset in 10001 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 5 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-03 finished in 37499 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(F(p0))||(F(p0)&&G(F(p1)))))))'
Support contains 5 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 63 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:06:26] [INFO ] Invariant cache hit.
[2026-05-25 21:06:54] [INFO ] Implicit Places using invariants in 28175 ms returned []
Implicit Place search using SMT only with invariants took 28178 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 28243 ms. Remains : 10644/10644 places, 20945/20945 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(F(p0))||(F(p0)&&G(F(p1)))))))'
Stuttering acceptance computed with spot in 215 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-04
Product exploration timeout after 40480 steps with 0 reset in 10003 ms.
Product exploration timeout after 40860 steps with 0 reset in 10003 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 51 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 11865 ms. (3 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 960 ms. (41 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1201 ms. (33 steps per ms) remains 2/2 properties
[2026-05-25 21:07:18] [INFO ] Invariant cache hit.
[2026-05-25 21:07:19] [INFO ] State equation strengthened by 125 read => feed constraints.
Problem apf1 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 506/511 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5711/6222 variables, 68/73 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6222 variables, 0/73 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4422/10644 variables, 66/139 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SMT process timed out in 12360ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 10644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10644/10644 places, 20945/20945 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 10644 transition count 20944
Applied a total of 1 rules in 361701 ms. Remains 10644 /10644 variables (removed 0) and now considering 20944/20945 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 361701 ms. Remains : 10644/10644 places, 20944/20945 transitions.
Found 1 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 17 ms. Proved property starting from automaton with 2 states, 3 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 378198 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BlocksWorld-PT-20-LTLFireability-04 finished in 426737 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(p0)))'
Support contains 3 out of 10644 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 184 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:13:33] [INFO ] Invariant cache hit.
[2026-05-25 21:14:01] [INFO ] Implicit Places using invariants in 28550 ms returned []
Implicit Place search using SMT only with invariants took 28552 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 28737 ms. Remains : 10644/10644 places, 20945/20945 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 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-05
Product exploration timeout after 41120 steps with 3 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-20-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-05 finished in 38875 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 2 out of 10644 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 158 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:14:12] [INFO ] Invariant cache hit.
[2026-05-25 21:14:44] [INFO ] Performed 7870/10644 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 21:14:53] [INFO ] Implicit Places using invariants in 41311 ms returned []
Implicit Place search using SMT only with invariants took 41315 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41474 ms. Remains : 10644/10644 places, 20945/20945 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 35 ms :[(NOT p0)]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-06
Product exploration timeout after 40140 steps with 0 reset in 10003 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 5 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-06 finished in 51601 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 10644 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 155 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:15:03] [INFO ] Invariant cache hit.
[2026-05-25 21:15:33] [INFO ] Implicit Places using invariants in 29733 ms returned []
Implicit Place search using SMT only with invariants took 29735 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 29891 ms. Remains : 10644/10644 places, 20945/20945 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 36 ms :[(NOT p0)]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-08
Product exploration timeout after 39370 steps with 0 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 2 ms.
FORMULA BlocksWorld-PT-20-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-20-LTLFireability-08 finished in 39991 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((p0 U p1)))) U ((p1 U p2)||p3)))'
Support contains 9 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 61 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:15:43] [INFO ] Invariant cache hit.
[2026-05-25 21:16:10] [INFO ] Implicit Places using invariants in 27063 ms returned []
Implicit Place search using SMT only with invariants took 27064 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 27127 ms. Remains : 10644/10644 places, 20945/20945 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((p0 U p1)))) U ((p1 U p2)||p3)))'
Stuttering acceptance computed with spot in 442 ms :[(OR p2 p3), true, p2, (OR (AND p1 p2) (AND p1 p3)), p1, (OR (AND p1 p2) (AND p1 p3)), (AND p1 p2), p1, (OR (AND p1 p3) (AND p1 p2)), p1, (AND p1 p2), (AND p1 p2)]
Running random walk in product with property : BlocksWorld-PT-20-LTLFireability-09
Product exploration timeout after 71480 steps with 17870 reset in 10001 ms.
Product exploration timeout after 71640 steps with 17910 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 15 factoid took 115 ms. Reduced automaton from 12 states, 26 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 12224 ms. (3 steps per ms) remains 4/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1068 ms. (37 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1493 ms. (26 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1117 ms. (35 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 973 ms. (41 steps per ms) remains 4/4 properties
[2026-05-25 21:16:36] [INFO ] Invariant cache hit.
[2026-05-25 21:16:36] [INFO ] State equation strengthened by 125 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 405/414 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 5812/6226 variables, 69/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6226 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 4418/10644 variables, 66/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 11084ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 10644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10644/10644 places, 20945/20945 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 10644 transition count 20944
Applied a total of 1 rules in 364029 ms. Remains 10644 /10644 variables (removed 0) and now considering 20944/20945 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364030 ms. Remains : 10644/10644 places, 20944/20945 transitions.
Knowledge based reduction with 15 factoid took 213 ms. Reduced automaton from 10 states, 17 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 442 ms :[(OR (AND p1 p3) (AND p1 p2)), true, p2, (OR (AND p1 p3) (AND p1 p2)), (OR (AND p1 p3) (AND p1 p2)), p1, (OR (AND p1 p3) (AND p1 p2)), p1, (AND p1 p2), (AND p1 p2)]
Knowledge-based reduction took 380703 ms.
Stuttering acceptance computed with spot in 528 ms :[(OR (AND p1 p3) (AND p1 p2)), true, p2, (OR (AND p1 p3) (AND p1 p2)), (OR (AND p1 p3) (AND p1 p2)), p1, (OR (AND p1 p3) (AND p1 p2)), p1, (AND p1 p2), (AND p1 p2)]
Support contains 9 out of 10644 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10644/10644 places, 20945/20945 transitions.
Applied a total of 0 rules in 96 ms. Remains 10644 /10644 variables (removed 0) and now considering 20945/20945 (removed 0) transitions.
[2026-05-25 21:22:52] [INFO ] Invariant cache hit.
[2026-05-25 21:23:19] [INFO ] Implicit Places using invariants in 27419 ms returned []
Implicit Place search using SMT only with invariants took 27428 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 27526 ms. Remains : 10644/10644 places, 20945/20945 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 1 factoid took 65 ms. Reduced automaton from 10 states, 17 edges and 4 AP (stutter sensitive) to 10 states, 17 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 12127 ms. (3 steps per ms) remains 6/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 950 ms. (42 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1217 ms. (32 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1256 ms. (31 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1015 ms. (39 steps per ms) remains 4/4 properties
[2026-05-25 21:23:24] [INFO ] Invariant cache hit.
[2026-05-25 21:23:24] [INFO ] State equation strengthened by 125 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 405/414 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/414 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 5812/6226 variables, 69/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6226 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 4418/10644 variables, 66/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 11998ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 10644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10644/10644 places, 20945/20945 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 10644 transition count 20944
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ 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-20"
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-20, 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-177946788200444"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-20.tgz
mv BlocksWorld-PT-20 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 ;