About the Execution of ITS-Tools for NQueens-PT-25
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1872331.00 | 0.00 | 0.00 | FTTFFFFFTFTFFFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812400332.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is NQueens-PT-25, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812400332
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 534K May 29 14:32 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 NQueens-PT-25-LTLFireability-00
FORMULA_NAME NQueens-PT-25-LTLFireability-01
FORMULA_NAME NQueens-PT-25-LTLFireability-02
FORMULA_NAME NQueens-PT-25-LTLFireability-03
FORMULA_NAME NQueens-PT-25-LTLFireability-04
FORMULA_NAME NQueens-PT-25-LTLFireability-05
FORMULA_NAME NQueens-PT-25-LTLFireability-06
FORMULA_NAME NQueens-PT-25-LTLFireability-07
FORMULA_NAME NQueens-PT-25-LTLFireability-08
FORMULA_NAME NQueens-PT-25-LTLFireability-09
FORMULA_NAME NQueens-PT-25-LTLFireability-10
FORMULA_NAME NQueens-PT-25-LTLFireability-11
FORMULA_NAME NQueens-PT-25-LTLFireability-12
FORMULA_NAME NQueens-PT-25-LTLFireability-13
FORMULA_NAME NQueens-PT-25-LTLFireability-14
FORMULA_NAME NQueens-PT-25-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748870511952
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NQueens-PT-25
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 13:21:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 13:21:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:21:53] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2025-06-02 13:21:53] [INFO ] Transformed 775 places.
[2025-06-02 13:21:53] [INFO ] Transformed 625 transitions.
[2025-06-02 13:21:53] [INFO ] Found NUPN structural information;
[2025-06-02 13:21:53] [INFO ] Parsed PT model containing 775 places and 625 transitions and 3125 arcs in 212 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-25-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 73 out of 773 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 773/773 places, 625/625 transitions.
Reduce places removed 625 places and 0 transitions.
Iterating post reduction 0 with 625 rules applied. Total rules applied 625 place count 148 transition count 625
Applied a total of 625 rules in 23 ms. Remains 148 /773 variables (removed 625) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:21:53] [INFO ] Invariants computation overflowed in 99 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:21:53] [INFO ] Implicit Places using invariants in 377 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:21:53] [INFO ] Invariants computation overflowed in 66 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:10] [INFO ] Performed 5/148 implicitness test of which 0 returned IMPLICIT in 129 seconds.
[2025-06-02 13:24:10] [INFO ] Timeout of Implicit test with SMT after 129 seconds.
[2025-06-02 13:24:10] [INFO ] Implicit Places using invariants and state equation in 136935 ms returned []
Implicit Place search using SMT with State Equation took 137342 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 2ms
Starting structural reductions in LTL mode, iteration 1 : 148/773 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 137386 ms. Remains : 148/773 places, 625/625 transitions.
Support contains 73 out of 148 places after structural reductions.
[2025-06-02 13:24:11] [INFO ] Flatten gal took : 78 ms
[2025-06-02 13:24:11] [INFO ] Flatten gal took : 59 ms
[2025-06-02 13:24:11] [INFO ] Input system was already deterministic with 625 transitions.
Support contains 71 out of 148 places (down from 73) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 40000 steps (1724 resets) in 2417 ms. (16 steps per ms) remains 1/24 properties
BEST_FIRST walk for 40004 steps (8 resets) in 257 ms. (155 steps per ms) remains 1/1 properties
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:24:12] [INFO ] Invariants computation overflowed in 53 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp7 is UNSAT
After SMT solving in domain Real declared 4/773 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Domain max(s): 0/148 constraints, State Equation: 0/148 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 111ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA NQueens-PT-25-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 148 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 148 transition count 625
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(X((G(p1) U !p2))&&(F(G(p0)) U p3)))))'
Support contains 16 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 8 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:24:12] [INFO ] Invariants computation overflowed in 51 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:12] [INFO ] Implicit Places using invariants in 250 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:24:12] [INFO ] Invariants computation overflowed in 43 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:15] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 115 seconds.
[2025-06-02 13:26:52] [INFO ] Implicit Places with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... after 160059 ms
Implicit Place search using SMT with State Equation took 160310 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 160319 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 340 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p2)), p2, (NOT p0), (NOT p3), true, (NOT p1)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-00
Entered a terminal (fully accepting) state of product in 12 steps with 5 reset in 8 ms.
FORMULA NQueens-PT-25-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-00 finished in 160737 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((p0||X(X(p1)))&&(X(X(p1))||F(p2))))))'
Support contains 11 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 15 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:26:53] [INFO ] Invariants computation overflowed in 48 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:53] [INFO ] Implicit Places using invariants in 305 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:26:53] [INFO ] Invariants computation overflowed in 42 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:29:08] [INFO ] Performed 2/148 implicitness test of which 0 returned IMPLICIT in 127 seconds.
[2025-06-02 13:29:08] [INFO ] Timeout of Implicit test with SMT after 127 seconds.
[2025-06-02 13:29:08] [INFO ] Implicit Places using invariants and state equation in 135121 ms returned []
Implicit Place search using SMT with State Equation took 135433 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 135449 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 287 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), false]
Running random walk in product with property : NQueens-PT-25-LTLFireability-03
Stuttering criterion allowed to conclude after 61 steps with 11 reset in 12 ms.
FORMULA NQueens-PT-25-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-03 finished in 135773 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 11 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:29:09] [INFO ] Invariants computation overflowed in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:29:09] [INFO ] Implicit Places using invariants in 232 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:29:09] [INFO ] Invariants computation overflowed in 57 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:30:12] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 56 seconds.
[2025-06-02 13:31:31] [INFO ] Performed 2/148 implicitness test of which 0 returned IMPLICIT in 134 seconds.
[2025-06-02 13:31:31] [INFO ] Timeout of Implicit test with SMT after 134 seconds.
[2025-06-02 13:31:31] [INFO ] Implicit Places using invariants and state equation in 141966 ms returned []
Implicit Place search using SMT with State Equation took 142201 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:31:31] [INFO ] Redundant transitions in 40 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 142266 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-04
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 5 ms.
FORMULA NQueens-PT-25-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-04 finished in 142354 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 16 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:31:31] [INFO ] Invariants computation overflowed in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:31:31] [INFO ] Implicit Places using invariants in 228 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:31:31] [INFO ] Invariants computation overflowed in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:57] [INFO ] Performed 2/148 implicitness test of which 0 returned IMPLICIT in 138 seconds.
[2025-06-02 13:33:57] [INFO ] Timeout of Implicit test with SMT after 138 seconds.
[2025-06-02 13:33:57] [INFO ] Implicit Places using invariants and state equation in 145698 ms returned []
Implicit Place search using SMT with State Equation took 145932 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:33:57] [INFO ] Redundant transitions in 6 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 145966 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-06
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 3 ms.
FORMULA NQueens-PT-25-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-06 finished in 146016 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&G((p1&&X(X(p2)))))))'
Support contains 10 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 7 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:33:57] [INFO ] Invariants computation overflowed in 42 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:57] [INFO ] Implicit Places using invariants in 208 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:33:57] [INFO ] Invariants computation overflowed in 46 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:35:43] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 98 seconds.
[2025-06-02 13:36:37] [INFO ] Implicit Places using invariants and state equation in 160056 ms returned []
Implicit Place search using SMT with State Equation took 160278 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 160286 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 190 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p1) (NOT p0) (NOT p2)), true, (NOT p0), (OR (NOT p1) (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-07
Entered a terminal (fully accepting) state of product in 8 steps with 1 reset in 3 ms.
FORMULA NQueens-PT-25-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-07 finished in 160497 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0 U (p1||G(!p0))))))'
Support contains 15 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 7 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:36:37] [INFO ] Invariants computation overflowed in 45 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:36:38] [INFO ] Implicit Places using invariants in 221 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:36:38] [INFO ] Invariants computation overflowed in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:37:59] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 74 seconds.
[2025-06-02 13:39:18] [INFO ] Implicit Places using invariants and state equation in 160050 ms returned []
Implicit Place search using SMT with State Equation took 160274 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:39:18] [INFO ] Redundant transitions in 4 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 160296 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-08
Product exploration explored 100000 steps with 8210 reset in 5374 ms.
Product exploration explored 100000 steps with 8237 reset in 5350 ms.
Computed a total of 148 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 148 transition count 625
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) p0), (F (G p1)), (F (G (NOT p0)))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 12 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-08 finished in 171895 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((F(p1)&&p0)) U X(X(X(p1)))))'
Support contains 8 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 6 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:39:29] [INFO ] Invariants computation overflowed in 43 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:39:29] [INFO ] Implicit Places using invariants in 214 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:39:30] [INFO ] Invariants computation overflowed in 44 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:40:51] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 74 seconds.
[2025-06-02 13:42:10] [INFO ] Implicit Places with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... after 160055 ms
Implicit Place search using SMT with State Equation took 160272 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 160280 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 342 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-09
Stuttering criterion allowed to conclude after 30 steps with 2 reset in 3 ms.
FORMULA NQueens-PT-25-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-09 finished in 160650 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(G(p1))))))'
Support contains 8 out of 148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 2 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:42:10] [INFO ] Invariants computation overflowed in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:42:10] [INFO ] Implicit Places using invariants in 208 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:42:10] [INFO ] Invariants computation overflowed in 46 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:44:50] [INFO ] Implicit Places using invariants and state equation in 160052 ms returned []
Implicit Place search using SMT with State Equation took 160265 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 160267 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-25-LTLFireability-10
Product exploration explored 100000 steps with 11720 reset in 4399 ms.
Product exploration explored 100000 steps with 11775 reset in 4469 ms.
Computed a total of 148 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 148 transition count 625
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 (NOT p1)), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 10 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-10 finished in 170094 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 11 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:45:00] [INFO ] Invariants computation overflowed in 42 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:45:00] [INFO ] Implicit Places using invariants in 221 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:45:00] [INFO ] Invariants computation overflowed in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:46:47] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 99 seconds.
[2025-06-02 13:47:40] [INFO ] Implicit Places using invariants and state equation in 160044 ms returned []
Implicit Place search using SMT with State Equation took 160269 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:47:40] [INFO ] Redundant transitions in 10 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 160295 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-12
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 4 ms.
FORMULA NQueens-PT-25-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-12 finished in 160348 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 10 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:47:40] [INFO ] Invariants computation overflowed in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:47:41] [INFO ] Implicit Places using invariants in 221 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:47:41] [INFO ] Invariants computation overflowed in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:49:04] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 75 seconds.
[2025-06-02 13:50:11] [INFO ] Performed 2/148 implicitness test of which 0 returned IMPLICIT in 143 seconds.
[2025-06-02 13:50:11] [INFO ] Timeout of Implicit test with SMT after 143 seconds.
[2025-06-02 13:50:11] [INFO ] Implicit Places using invariants and state equation in 150737 ms returned []
Implicit Place search using SMT with State Equation took 150959 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:50:11] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 150982 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-13
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 2 ms.
FORMULA NQueens-PT-25-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLFireability-13 finished in 151033 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 148/148 places, 625/625 transitions.
Applied a total of 0 rules in 6 ms. Remains 148 /148 variables (removed 0) and now considering 625/625 (removed 0) transitions.
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:50:11] [INFO ] Invariants computation overflowed in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:50:12] [INFO ] Implicit Places using invariants in 215 ms returned []
// Phase 1: matrix 625 rows 148 cols
[2025-06-02 13:50:12] [INFO ] Invariants computation overflowed in 39 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:51:12] [INFO ] Performed 1/148 implicitness test of which 0 returned IMPLICIT in 52 seconds.
[2025-06-02 13:52:52] [INFO ] Implicit Places with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... after 160051 ms
Implicit Place search using SMT with State Equation took 160270 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:52:52] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 160303 ms. Remains : 148/148 places, 625/625 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLFireability-15
Product exploration explored 100000 steps with 10370 reset in 5342 ms.
Product exploration explored 100000 steps with 10397 reset in 5519 ms.
Computed a total of 148 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 148 transition count 625
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(NOT p0), (F (G p0))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 9 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-25-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-25-LTLFireability-15 finished in 172038 ms.
All properties solved by simple procedures.
Total runtime 1870843 ms.
BK_STOP 1748872384283
--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="NQueens-PT-25"
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 2-5832"
echo " Executing tool itstools"
echo " Input is NQueens-PT-25, 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 r142-tall-174876812400332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-25.tgz
mv NQueens-PT-25 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 ;