About the Execution of ITS-Tools for NQueens-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1798072.00 | 0.00 | 0.00 | TFTTTTFFTTFFFTTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812400324.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-20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812400324
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 868K
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K 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 349K 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-20-LTLFireability-00
FORMULA_NAME NQueens-PT-20-LTLFireability-01
FORMULA_NAME NQueens-PT-20-LTLFireability-02
FORMULA_NAME NQueens-PT-20-LTLFireability-03
FORMULA_NAME NQueens-PT-20-LTLFireability-04
FORMULA_NAME NQueens-PT-20-LTLFireability-05
FORMULA_NAME NQueens-PT-20-LTLFireability-06
FORMULA_NAME NQueens-PT-20-LTLFireability-07
FORMULA_NAME NQueens-PT-20-LTLFireability-08
FORMULA_NAME NQueens-PT-20-LTLFireability-09
FORMULA_NAME NQueens-PT-20-LTLFireability-10
FORMULA_NAME NQueens-PT-20-LTLFireability-11
FORMULA_NAME NQueens-PT-20-LTLFireability-12
FORMULA_NAME NQueens-PT-20-LTLFireability-13
FORMULA_NAME NQueens-PT-20-LTLFireability-14
FORMULA_NAME NQueens-PT-20-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748867044996
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-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 12:24:06] [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 12:24:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 12:24:06] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2025-06-02 12:24:06] [INFO ] Transformed 520 places.
[2025-06-02 12:24:06] [INFO ] Transformed 400 transitions.
[2025-06-02 12:24:06] [INFO ] Found NUPN structural information;
[2025-06-02 12:24:06] [INFO ] Parsed PT model containing 520 places and 400 transitions and 2000 arcs in 189 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-20-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 67 out of 518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 518/518 places, 400/400 transitions.
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 0 with 400 rules applied. Total rules applied 400 place count 118 transition count 400
Applied a total of 400 rules in 19 ms. Remains 118 /518 variables (removed 400) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:24:06] [INFO ] Invariants computation overflowed in 63 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:24:06] [INFO ] Implicit Places using invariants in 312 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:24:06] [INFO ] Invariants computation overflowed in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:25:00] [INFO ] Performed 5/118 implicitness test of which 0 returned IMPLICIT in 53 seconds.
[2025-06-02 12:25:32] [INFO ] Performed 6/118 implicitness test of which 0 returned IMPLICIT in 84 seconds.
[2025-06-02 12:26:03] [INFO ] Performed 7/118 implicitness test of which 0 returned IMPLICIT in 116 seconds.
[2025-06-02 12:26:46] [INFO ] Performed 11/118 implicitness test of which 0 returned IMPLICIT in 159 seconds.
[2025-06-02 12:26:46] [INFO ] Timeout of Implicit test with SMT after 159 seconds.
[2025-06-02 12:26:46] [INFO ] Implicit Places using invariants and state equation in 160050 ms returned []
Implicit Place search using SMT with State Equation took 160397 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 3ms
Starting structural reductions in LTL mode, iteration 1 : 118/518 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 160438 ms. Remains : 118/518 places, 400/400 transitions.
Support contains 67 out of 118 places after structural reductions.
[2025-06-02 12:26:47] [INFO ] Flatten gal took : 57 ms
[2025-06-02 12:26:47] [INFO ] Flatten gal took : 35 ms
[2025-06-02 12:26:47] [INFO ] Input system was already deterministic with 400 transitions.
Reduction of identical properties reduced properties to check from 26 to 25
RANDOM walk for 63 steps (0 resets) in 33 ms. (1 steps per ms) remains 0/25 properties
Computed a total of 118 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 118 transition count 400
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' '!(G((p0||X(X(X(p1)))||F((!p2 U (p3||G(!p2)))))))'
Support contains 16 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 7 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:26:47] [INFO ] Invariants computation overflowed in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:26:47] [INFO ] Implicit Places using invariants in 171 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:26:47] [INFO ] Invariants computation overflowed in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:28:53] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 125 seconds.
[2025-06-02 12:28:53] [INFO ] Timeout of Implicit test with SMT after 125 seconds.
[2025-06-02 12:28:53] [INFO ] Implicit Places using invariants and state equation in 125514 ms returned []
Implicit Place search using SMT with State Equation took 125688 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 125697 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 308 ms :[(AND (NOT p0) (NOT p3) (NOT p1) p2), (AND (NOT p3) (NOT p1) p2), (AND (NOT p3) (NOT p1) p2), (AND (NOT p3) (NOT p1) p2), (AND (NOT p3) p2)]
Running random walk in product with property : NQueens-PT-20-LTLFireability-00
Product exploration explored 100000 steps with 7482 reset in 2987 ms.
Product exploration explored 100000 steps with 7571 reset in 2903 ms.
Computed a total of 118 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 118 transition count 400
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 p3) p1 p2), (F (G (NOT p0))), (F (G p3)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(X (NOT p3)), (X p3), (X (X (NOT p3))), (X (X p3))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 15 ms. Reduced automaton from 5 states, 7 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-20-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLFireability-00 finished in 132522 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' '!(((p0 U X(p1))&&X((X(p2)||G(p3)))))'
Support contains 11 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 5 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:29:00] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:29:00] [INFO ] Implicit Places using invariants in 294 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:29:00] [INFO ] Invariants computation overflowed in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:31:40] [INFO ] Implicit Places using invariants and state equation in 160047 ms returned []
Implicit Place search using SMT with State Equation took 160347 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in LTL mode , in 1 iterations and 160353 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p1), true, (NOT p2), (AND (NOT p3) (NOT p2)), (NOT p3)]
Running random walk in product with property : NQueens-PT-20-LTLFireability-01
Entered a terminal (fully accepting) state of product in 8 steps with 2 reset in 1 ms.
FORMULA NQueens-PT-20-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-01 finished in 160672 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)&&F(G(p1)))))'
Support contains 12 out of 118 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 9 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:31:40] [INFO ] Invariants computation overflowed in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:31:41] [INFO ] Implicit Places using invariants in 300 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:31:41] [INFO ] Invariants computation overflowed in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:32:40] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 59 seconds.
[2025-06-02 12:33:27] [INFO ] Performed 4/118 implicitness test of which 0 returned IMPLICIT in 106 seconds.
[2025-06-02 12:34:19] [INFO ] Performed 6/118 implicitness test of which 0 returned IMPLICIT in 158 seconds.
[2025-06-02 12:34:19] [INFO ] Timeout of Implicit test with SMT after 158 seconds.
[2025-06-02 12:34:19] [INFO ] Implicit Places using invariants and state equation in 158609 ms returned []
Implicit Place search using SMT with State Equation took 158913 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:34:19] [INFO ] Redundant transitions in 25 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 158957 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 133 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : NQueens-PT-20-LTLFireability-03
Product exploration explored 100000 steps with 7690 reset in 2712 ms.
Product exploration explored 100000 steps with 7679 reset in 2707 ms.
Computed a total of 118 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 118 transition count 400
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 p0) (NOT p1)), (X (NOT p1)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 17 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-20-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLFireability-03 finished in 164859 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' '!(((!p0||X(X(!p1))) U (G((!p0||X(X(!p1))))||((!p0||X(X(!p1)))&&(X(p1) U ((!p2&&X(p1))||X(G(p1))))))))'
Support contains 11 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 8 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:34:25] [INFO ] Invariants computation overflowed in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:34:25] [INFO ] Implicit Places using invariants in 147 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:34:25] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:36:19] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 113 seconds.
[2025-06-02 12:37:05] [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 160036 ms
Implicit Place search using SMT with State Equation took 160184 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 160193 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 344 ms :[(AND p0 p1), p1, false, false, p1, true, false, false, false, (NOT p1), (NOT p1)]
Running random walk in product with property : NQueens-PT-20-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-20-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-06 finished in 160559 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(((p0 U X(p1))&&(F(p2) U X(p3)))))'
Support contains 16 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 4 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:37:06] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:37:06] [INFO ] Implicit Places using invariants in 162 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:37:06] [INFO ] Invariants computation overflowed in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:37:54] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 47 seconds.
[2025-06-02 12:38:56] [INFO ] Performed 5/118 implicitness test of which 0 returned IMPLICIT in 109 seconds.
[2025-06-02 12:39:29] [INFO ] Performed 6/118 implicitness test of which 0 returned IMPLICIT in 142 seconds.
[2025-06-02 12:39:29] [INFO ] Timeout of Implicit test with SMT after 142 seconds.
[2025-06-02 12:39:29] [INFO ] Implicit Places using invariants and state equation in 142628 ms returned []
Implicit Place search using SMT with State Equation took 142806 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 142810 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p1) (NOT p3)), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : NQueens-PT-20-LTLFireability-07
Stuttering criterion allowed to conclude after 33 steps with 7 reset in 2 ms.
FORMULA NQueens-PT-20-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-07 finished in 143129 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)&&F(p1))))'
Support contains 8 out of 118 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 8 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:39:29] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:39:29] [INFO ] Implicit Places using invariants in 155 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:39:29] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:41:21] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 111 seconds.
[2025-06-02 12:41:44] [INFO ] Implicit Places using invariants and state equation in 135088 ms returned [40, 78, 79, 117]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 135252 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/118 places, 400/400 transitions.
Applied a total of 0 rules in 12 ms. Remains 114 /114 variables (removed 0) and now considering 400/400 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 135272 ms. Remains : 114/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 94 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : NQueens-PT-20-LTLFireability-08
Product exploration explored 100000 steps with 14428 reset in 3822 ms.
Product exploration explored 100000 steps with 14438 reset in 3820 ms.
Computed a total of 114 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 114 transition count 400
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 p0) (NOT p1)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (NOT p1)), (X p1), (X (X (NOT p0))), (X (X p0)), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 10 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-20-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLFireability-08 finished in 143339 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((F(p0)&&F(p1)))))'
Support contains 8 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 2 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:41:52] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:41:53] [INFO ] Implicit Places using invariants in 435 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:41:53] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:43:31] [INFO ] Performed 3/118 implicitness test of which 0 returned IMPLICIT in 97 seconds.
[2025-06-02 12:44:07] [INFO ] Performed 4/118 implicitness test of which 0 returned IMPLICIT in 134 seconds.
[2025-06-02 12:44:07] [INFO ] Timeout of Implicit test with SMT after 134 seconds.
[2025-06-02 12:44:07] [INFO ] Implicit Places using invariants and state equation in 134714 ms returned []
Implicit Place search using SMT with State Equation took 135157 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 135159 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 150 ms :[(NOT p1), (NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-20-LTLFireability-09
Product exploration explored 100000 steps with 11682 reset in 3667 ms.
Product exploration explored 100000 steps with 11673 reset in 3721 ms.
Computed a total of 118 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 118 transition count 400
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) (NOT p0)), (F (G p1)), (F (G p0))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (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 11 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-20-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLFireability-09 finished in 143105 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' '!((p0 U X(G(!p0))))'
Support contains 4 out of 118 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 7 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:44:15] [INFO ] Invariants computation overflowed in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:44:16] [INFO ] Implicit Places using invariants in 154 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:44:16] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:46:36] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 140 seconds.
[2025-06-02 12:46:36] [INFO ] Timeout of Implicit test with SMT after 140 seconds.
[2025-06-02 12:46:36] [INFO ] Implicit Places using invariants and state equation in 140422 ms returned []
Implicit Place search using SMT with State Equation took 140582 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:46:36] [INFO ] Redundant transitions in 7 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 140611 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 66 ms :[p0, true, p0]
Running random walk in product with property : NQueens-PT-20-LTLFireability-10
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-20-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-10 finished in 140701 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((G(p1)&&p0)))'
Support contains 8 out of 118 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 1 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:46:36] [INFO ] Invariants computation overflowed in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:46:36] [INFO ] Implicit Places using invariants in 145 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:46:36] [INFO ] Invariants computation overflowed in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:47:26] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 49 seconds.
[2025-06-02 12:48:11] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 94 seconds.
[2025-06-02 12:49:16] [INFO ] Implicit Places using invariants and state equation in 160045 ms returned []
Implicit Place search using SMT with State Equation took 160212 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 160214 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 106 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-20-LTLFireability-12
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-20-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-12 finished in 160334 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((p0&&G(!p1))))'
Support contains 7 out of 118 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 4 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:49:16] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:49:17] [INFO ] Implicit Places using invariants in 137 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:49:17] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:50:17] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-02 12:51:00] [INFO ] Performed 4/118 implicitness test of which 0 returned IMPLICIT in 102 seconds.
[2025-06-02 12:51:48] [INFO ] Performed 6/118 implicitness test of which 0 returned IMPLICIT in 150 seconds.
[2025-06-02 12:51:48] [INFO ] Timeout of Implicit test with SMT after 150 seconds.
[2025-06-02 12:51:48] [INFO ] Implicit Places using invariants and state equation in 151125 ms returned []
Implicit Place search using SMT with State Equation took 151274 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:51:48] [INFO ] Redundant transitions in 6 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 151308 ms. Remains : 118/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 84 ms :[(OR (NOT p0) p1), p1]
Running random walk in product with property : NQueens-PT-20-LTLFireability-13
Product exploration explored 100000 steps with 5404 reset in 2291 ms.
Product exploration explored 100000 steps with 5402 reset in 2299 ms.
Computed a total of 118 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 118 transition count 400
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 p0) p1), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (OR (NOT p0) p1)), (X (NOT (OR (NOT p0) p1))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (OR (NOT p0) p1))), (X (X (NOT (OR (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 75 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-20-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLFireability-13 finished in 156400 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)||G(F(p1)))))'
Support contains 8 out of 118 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 118/118 places, 400/400 transitions.
Applied a total of 0 rules in 4 ms. Remains 118 /118 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:51:53] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:51:53] [INFO ] Implicit Places using invariants in 135 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:51:53] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:53:45] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 111 seconds.
[2025-06-02 12:54:02] [INFO ] Implicit Places using invariants and state equation in 129087 ms returned [40, 78, 79, 117]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 129243 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/118 places, 400/400 transitions.
Applied a total of 0 rules in 7 ms. Remains 114 /114 variables (removed 0) and now considering 400/400 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 129254 ms. Remains : 114/118 places, 400/400 transitions.
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-20-LTLFireability-15
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-20-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLFireability-15 finished in 129338 ms.
All properties solved by simple procedures.
Total runtime 1796510 ms.
BK_STOP 1748868843068
--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-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 2-5832"
echo " Executing tool itstools"
echo " Input is NQueens-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 r142-tall-174876812400324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-20.tgz
mv NQueens-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 ;