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-177946788100323.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-05, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100323
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.4K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 07:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 07:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:26 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 783K 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-05-LTLCardinality-00
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-01
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-02
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-03
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-04
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-05
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-06
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-07
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-08
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-09
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-10
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-11
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-12
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-13
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-14
FORMULA_NAME BlocksWorld-PT-05-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779593419781

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-24 03:30:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 03:30:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 03:30:22] [INFO ] Load time of PNML (sax parser for PT used): 284 ms
[2026-05-24 03:30:22] [INFO ] Transformed 869 places.
[2026-05-24 03:30:22] [INFO ] Transformed 1625 transitions.
[2026-05-24 03:30:22] [INFO ] Found NUPN structural information;
[2026-05-24 03:30:22] [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]
[2026-05-24 03:30:22] [INFO ] Parsed PT model containing 869 places and 1625 transitions and 8110 arcs in 446 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA BlocksWorld-PT-05-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 44 out of 869 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 869/869 places, 1625/1625 transitions.
Applied a total of 0 rules in 157 ms. Remains 869 /869 variables (removed 0) and now considering 1625/1625 (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-12728911935222103911.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6679440000565136622.kers'
[2026-05-24 03:30:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12728911935222103911.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6679440000565136622.kers]
Normalized transition count is 1624 out of 1625 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 1624 rows 869 cols 7952 entries
Finished phase 1 with 812 SingleSign rule and 0 generalized
[2026-05-24 03:30:22] [INFO ] Computed 57 invariants in 16 ms
Computed 57 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-6679440000565136622.kers
Total runtime 20 ms.
[2026-05-24 03:30:24] [INFO ] Implicit Places using invariants in 1591 ms returned []
[2026-05-24 03:30:24] [INFO ] Invariant cache hit.
[2026-05-24 03:30:25] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-24 03:30:27] [INFO ] Implicit Places using invariants and state equation in 3707 ms returned []
Implicit Place search using SMT with State Equation took 5349 ms to find 0 implicit places.
Running 1619 sub problems to find dead transitions.
[2026-05-24 03:30:27] [INFO ] Invariant cache hit.
[2026-05-24 03:30:27] [INFO ] State equation strengthened by 45 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD375 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD636 is UNSAT
Problem TDEAD694 is UNSAT
Problem TDEAD723 is UNSAT
Problem TDEAD781 is UNSAT
Problem TDEAD810 is UNSAT
Problem TDEAD839 is UNSAT
Problem TDEAD868 is UNSAT
Problem TDEAD922 is UNSAT
Problem TDEAD974 is UNSAT
Problem TDEAD1072 is UNSAT
Problem TDEAD1162 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1244 is UNSAT
Problem TDEAD1318 is UNSAT
Problem TDEAD1352 is UNSAT
Problem TDEAD1384 is UNSAT
Problem TDEAD1414 is UNSAT
Problem TDEAD1442 is UNSAT
Problem TDEAD1468 is UNSAT
Problem TDEAD1492 is UNSAT
Problem TDEAD1514 is UNSAT
Problem TDEAD1534 is UNSAT
Problem TDEAD1552 is UNSAT
Problem TDEAD1582 is UNSAT
Problem TDEAD1594 is UNSAT
Problem TDEAD1612 is UNSAT
Problem TDEAD1618 is UNSAT
Problem TDEAD1622 is UNSAT
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/863 variables, 46/46 constraints. Problems are: Problem set: 46 solved, 1573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 863/2494 variables, and 46 constraints, problems are : Problem set: 46 solved, 1573 unsolved in 30105 ms.
Refiners :[Positive P Invariants (semi-flows): 46/57 constraints, State Equation: 0/869 constraints, ReadFeed: 0/45 constraints, PredecessorRefiner: 1596/813 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 46 solved, 1573 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 6/6 constraints. Problems are: Problem set: 46 solved, 1573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 840/2494 variables, and 6 constraints, problems are : Problem set: 46 solved, 1573 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 6/57 constraints, State Equation: 0/869 constraints, ReadFeed: 0/45 constraints, PredecessorRefiner: 783/813 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63539ms problems are : Problem set: 46 solved, 1573 unsolved
Search for dead transitions found 46 dead transitions in 63585ms
Found 46 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 46 transitions
Dead transitions reduction (with SMT) removed 46 transitions
Starting structural reductions in LTL mode, iteration 1 : 869/869 places, 1579/1625 transitions.
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 848 transition count 1579
Deduced a syphon composed of 2 places in 3 ms
Applied a total of 21 rules in 50 ms. Remains 848 /869 variables (removed 21) and now considering 1579/1579 (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-1281948820211142740.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14437498149705595926.kers'
[2026-05-24 03:31:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1281948820211142740.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14437498149705595926.kers]
Normalized transition count is 1578 out of 1579 initially.
Culling trivial invariants: removing 2 columns.
Culled 2 columns in 2 ms.
// Phase 1: matrix 1578 rows 846 cols 7814 entries
Finished phase 1 with 789 SingleSign rule and 0 generalized
[2026-05-24 03:31:31] [INFO ] Computed 59 invariants in 16 ms
Computed 59 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14437498149705595926.kers
Total runtime 19 ms.
[2026-05-24 03:31:33] [INFO ] Implicit Places using invariants in 1581 ms returned []
[2026-05-24 03:31:33] [INFO ] Invariant cache hit.
[2026-05-24 03:31:33] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:31:35] [INFO ] Implicit Places using invariants and state equation in 2312 ms returned []
Implicit Place search using SMT with State Equation took 3897 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 848/869 places, 1579/1625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73109 ms. Remains : 848/869 places, 1579/1625 transitions.
Starting structural reductions in LTL mode, iteration 0 : 848/848 places, 1579/1579 transitions.
Deduced a syphon composed of 2 places in 3 ms
Applied a total of 0 rules in 39 ms. Remains 848 /848 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:31:35] [INFO ] Invariant cache hit.
[2026-05-24 03:31:36] [INFO ] Implicit Places using invariants in 1220 ms returned []
[2026-05-24 03:31:36] [INFO ] Invariant cache hit.
[2026-05-24 03:31:37] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:31:39] [INFO ] Implicit Places using invariants and state equation in 2710 ms returned []
Implicit Place search using SMT with State Equation took 3933 ms to find 0 implicit places.
Running 1573 sub problems to find dead transitions.
[2026-05-24 03:31:39] [INFO ] Invariant cache hit.
[2026-05-24 03:31:39] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 840/2427 variables, and 46 constraints, problems are : Problem set: 0 solved, 1573 unsolved in 30083 ms.
Refiners :[Positive P Invariants (semi-flows): 46/59 constraints, State Equation: 0/848 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1573/790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1573 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1573 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 840/2427 variables, and 46 constraints, problems are : Problem set: 0 solved, 1573 unsolved in 30066 ms.
Refiners :[Positive P Invariants (semi-flows): 46/59 constraints, State Equation: 0/848 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 783/790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62596ms problems are : Problem set: 0 solved, 1573 unsolved
Search for dead transitions found 0 dead transitions in 62606ms
Finished structural reductions in LTL mode , in 1 iterations and 66587 ms. Remains : 848/848 places, 1579/1579 transitions.
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Support contains 42 out of 846 places after structural reductions.
[2026-05-24 03:32:42] [INFO ] Flatten gal took : 349 ms
[2026-05-24 03:32:42] [INFO ] Flatten gal took : 165 ms
[2026-05-24 03:32:43] [INFO ] Input system was already deterministic with 1579 transitions.
RANDOM walk for 40000 steps (8 resets) in 4090 ms. (9 steps per ms) remains 12/30 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 386 ms. (103 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 341 ms. (116 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 333 ms. (119 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 249 ms. (160 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 237 ms. (168 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 225 ms. (177 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 223 ms. (178 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 12/12 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1055221320000231936.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12602751974636527946.kers'
[2026-05-24 03:32:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1055221320000231936.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12602751974636527946.kers]
Normalized transition count is 1578 out of 1579 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 1578 rows 846 cols 7814 entries
Finished phase 1 with 789 SingleSign rule and 0 generalized
[2026-05-24 03:32:45] [INFO ] Computed 57 invariants in 10 ms
Computed 57 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12602751974636527946.kers
Total runtime 12 ms.
[2026-05-24 03:32:45] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp28 is UNSAT
After SMT solving in domain Real declared 482/2425 variables, and 20 constraints, problems are : Problem set: 12 solved, 0 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 20/57 constraints, State Equation: 0/846 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 234ms problems are : Problem set: 12 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 12 atomic propositions for a total of 11 simplifications.
FORMULA BlocksWorld-PT-05-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA BlocksWorld-PT-05-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BlocksWorld-PT-05-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 2 out of 846 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 846/846 places, 1579/1579 transitions.
Applied a total of 0 rules in 213 ms. Remains 846 /846 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:32:46] [INFO ] Invariant cache hit.
[2026-05-24 03:32:47] [INFO ] Implicit Places using invariants in 1213 ms returned []
[2026-05-24 03:32:47] [INFO ] Invariant cache hit.
[2026-05-24 03:32:48] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:32:50] [INFO ] Implicit Places using invariants and state equation in 3106 ms returned []
Implicit Place search using SMT with State Equation took 4333 ms to find 0 implicit places.
[2026-05-24 03:32:50] [INFO ] Redundant transitions in 221 ms returned []
Running 1573 sub problems to find dead transitions.
[2026-05-24 03:32:50] [INFO ] Invariant cache hit.
[2026-05-24 03:32:50] [INFO ] State equation strengthened by 11 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 840/2425 variables, and 46 constraints, problems are : Problem set: 0 solved, 1573 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 46/57 constraints, State Equation: 0/846 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 1573/790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1573 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1573 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 840/2425 variables, and 46 constraints, problems are : Problem set: 0 solved, 1573 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 46/57 constraints, State Equation: 0/846 constraints, ReadFeed: 0/11 constraints, PredecessorRefiner: 783/790 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62153ms problems are : Problem set: 0 solved, 1573 unsolved
Search for dead transitions found 0 dead transitions in 62163ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66949 ms. Remains : 846/846 places, 1579/1579 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 269 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-05-LTLCardinality-06
Product exploration explored 100000 steps with 34 reset in 2637 ms.
Stack based approach found an accepted trace after 5778 steps with 0 reset with depth 5779 and stack size 4688 in 148 ms.
FORMULA BlocksWorld-PT-05-LTLCardinality-06 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-05-LTLCardinality-06 finished in 70103 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&&((X(p1) U G(p0)) U p2))))'
Support contains 6 out of 846 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 846/846 places, 1579/1579 transitions.
Applied a total of 0 rules in 16 ms. Remains 846 /846 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:33:56] [INFO ] Invariant cache hit.
[2026-05-24 03:33:57] [INFO ] Implicit Places using invariants in 1215 ms returned []
[2026-05-24 03:33:57] [INFO ] Invariant cache hit.
[2026-05-24 03:33:58] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:34:00] [INFO ] Implicit Places using invariants and state equation in 3279 ms returned []
Implicit Place search using SMT with State Equation took 4497 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 4519 ms. Remains : 846/846 places, 1579/1579 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&&((X(p1) U G(p0)) U p2))))'
Stuttering acceptance computed with spot in 356 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (AND (NOT p0) p1)]
Running random walk in product with property : BlocksWorld-PT-05-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BlocksWorld-PT-05-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BlocksWorld-PT-05-LTLCardinality-08 finished in 4935 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' '!((((p0 U p1) U X(X(p0))) U (p2&&G(p3))))'
Support contains 7 out of 846 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 846/846 places, 1579/1579 transitions.
Applied a total of 0 rules in 17 ms. Remains 846 /846 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:34:01] [INFO ] Invariant cache hit.
[2026-05-24 03:34:02] [INFO ] Implicit Places using invariants in 1411 ms returned []
[2026-05-24 03:34:02] [INFO ] Invariant cache hit.
[2026-05-24 03:34:03] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:34:05] [INFO ] Implicit Places using invariants and state equation in 2464 ms returned []
Implicit Place search using SMT with State Equation took 3884 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 3903 ms. Remains : 846/846 places, 1579/1579 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 U p1) U X(X(p0))) U (p2&&G(p3))))'
Stuttering acceptance computed with spot in 707 ms :[(OR (NOT p2) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p3)), (NOT p3), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p3) (NOT p0)), (AND (NOT p3) (NOT p1) (NOT p0)), (NOT p3)]
Running random walk in product with property : BlocksWorld-PT-05-LTLCardinality-10
Product exploration explored 100000 steps with 24949 reset in 2563 ms.
Stack based approach found an accepted trace after 208 steps with 55 reset with depth 2 and stack size 2 in 8 ms.
FORMULA BlocksWorld-PT-05-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-05-LTLCardinality-10 finished in 7261 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||G(p1)))))'
Support contains 3 out of 846 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 846/846 places, 1579/1579 transitions.
Applied a total of 0 rules in 107 ms. Remains 846 /846 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:34:08] [INFO ] Invariant cache hit.
[2026-05-24 03:34:09] [INFO ] Implicit Places using invariants in 1282 ms returned []
[2026-05-24 03:34:09] [INFO ] Invariant cache hit.
[2026-05-24 03:34:10] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:34:12] [INFO ] Implicit Places using invariants and state equation in 2631 ms returned []
Implicit Place search using SMT with State Equation took 3915 ms to find 0 implicit places.
[2026-05-24 03:34:12] [INFO ] Redundant transitions in 232 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4263 ms. Remains : 846/846 places, 1579/1579 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||G(p1)))))'
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : BlocksWorld-PT-05-LTLCardinality-12
Product exploration explored 100000 steps with 43 reset in 2544 ms.
Stack based approach found an accepted trace after 9454 steps with 0 reset with depth 9455 and stack size 7110 in 222 ms.
FORMULA BlocksWorld-PT-05-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-05-LTLCardinality-12 finished in 7145 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 2 out of 846 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 846/846 places, 1579/1579 transitions.
Applied a total of 0 rules in 99 ms. Remains 846 /846 variables (removed 0) and now considering 1579/1579 (removed 0) transitions.
[2026-05-24 03:34:15] [INFO ] Invariant cache hit.
[2026-05-24 03:34:16] [INFO ] Implicit Places using invariants in 1302 ms returned []
[2026-05-24 03:34:16] [INFO ] Invariant cache hit.
[2026-05-24 03:34:17] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-24 03:34:19] [INFO ] Implicit Places using invariants and state equation in 2502 ms returned []
Implicit Place search using SMT with State Equation took 3813 ms to find 0 implicit places.
[2026-05-24 03:34:19] [INFO ] Redundant transitions in 56 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3975 ms. Remains : 846/846 places, 1579/1579 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 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BlocksWorld-PT-05-LTLCardinality-15
Product exploration explored 100000 steps with 21 reset in 2331 ms.
Stack based approach found an accepted trace after 883 steps with 0 reset with depth 884 and stack size 712 in 21 ms.
FORMULA BlocksWorld-PT-05-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property BlocksWorld-PT-05-LTLCardinality-15 finished in 6456 ms.
All properties solved by simple procedures.
Total runtime 240380 ms.

BK_STOP 1779593662019

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-05"
export BK_EXAMINATION="LTLCardinality"
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-05, examination is LTLCardinality"
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-177946788100323"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-05.tgz
mv BlocksWorld-PT-05 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;