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 | 1301322.00 | 0.00 | 0.00 | TFFFFFFTFFTFFFTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812400323.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 LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812400323
=====================================================================
--------------------
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-LTLCardinality-00
FORMULA_NAME NQueens-PT-20-LTLCardinality-01
FORMULA_NAME NQueens-PT-20-LTLCardinality-02
FORMULA_NAME NQueens-PT-20-LTLCardinality-03
FORMULA_NAME NQueens-PT-20-LTLCardinality-04
FORMULA_NAME NQueens-PT-20-LTLCardinality-05
FORMULA_NAME NQueens-PT-20-LTLCardinality-06
FORMULA_NAME NQueens-PT-20-LTLCardinality-07
FORMULA_NAME NQueens-PT-20-LTLCardinality-08
FORMULA_NAME NQueens-PT-20-LTLCardinality-09
FORMULA_NAME NQueens-PT-20-LTLCardinality-10
FORMULA_NAME NQueens-PT-20-LTLCardinality-11
FORMULA_NAME NQueens-PT-20-LTLCardinality-12
FORMULA_NAME NQueens-PT-20-LTLCardinality-13
FORMULA_NAME NQueens-PT-20-LTLCardinality-14
FORMULA_NAME NQueens-PT-20-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748865735780
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
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
LTLCardinality PT
Running Version 202505121319
[2025-06-02 12:02:16] [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]
[2025-06-02 12:02:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 12:02:17] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2025-06-02 12:02:17] [INFO ] Transformed 520 places.
[2025-06-02 12:02:17] [INFO ] Transformed 400 transitions.
[2025-06-02 12:02:17] [INFO ] Found NUPN structural information;
[2025-06-02 12:02:17] [INFO ] Parsed PT model containing 520 places and 400 transitions and 2000 arcs in 254 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Reduce places removed 2 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA NQueens-PT-20-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 518/518 places, 400/400 transitions.
Reduce places removed 380 places and 0 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 138 transition count 400
Applied a total of 380 rules in 46 ms. Remains 138 /518 variables (removed 380) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 138 cols
[2025-06-02 12:02:17] [INFO ] Computed 7 invariants in 68 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:02:23] [INFO ] Implicit Places using invariants in 5718 ms returned []
[2025-06-02 12:02:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:03:16] [INFO ] Performed 21/138 implicitness test of which 0 returned IMPLICIT in 52 seconds.
[2025-06-02 12:03:59] [INFO ] Performed 22/138 implicitness test of which 0 returned IMPLICIT in 96 seconds.
[2025-06-02 12:05:03] [INFO ] Performed 24/138 implicitness test of which 0 returned IMPLICIT in 159 seconds.
[2025-06-02 12:05:03] [INFO ] Timeout of Implicit test with SMT after 159 seconds.
[2025-06-02 12:05:03] [INFO ] Implicit Places using invariants and state equation in 160018 ms returned []
Implicit Place search using SMT with State Equation took 165772 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 : 138/518 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 165839 ms. Remains : 138/518 places, 400/400 transitions.
Support contains 30 out of 138 places after structural reductions.
[2025-06-02 12:05:03] [INFO ] Flatten gal took : 61 ms
[2025-06-02 12:05:03] [INFO ] Flatten gal took : 35 ms
[2025-06-02 12:05:03] [INFO ] Input system was already deterministic with 400 transitions.
Reduction of identical properties reduced properties to check from 19 to 18
RANDOM walk for 10368 steps (558 resets) in 1183 ms. (8 steps per ms) remains 0/18 properties
FORMULA NQueens-PT-20-LTLCardinality-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA NQueens-PT-20-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 138 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 138 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' '!(((p0 U (p1||X(p0)))||F(p2)))'
Support contains 5 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 121 transition count 400
Applied a total of 17 rules in 8 ms. Remains 121 /138 variables (removed 17) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:05:04] [INFO ] Invariants computation overflowed in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:05:04] [INFO ] Implicit Places using invariants in 250 ms returned []
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:05:04] [INFO ] Invariants computation overflowed in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:05:37] [INFO ] Performed 4/121 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2025-06-02 12:06:27] [INFO ] Performed 6/121 implicitness test of which 0 returned IMPLICIT in 82 seconds.
[2025-06-02 12:07:20] [INFO ] Performed 8/121 implicitness test of which 0 returned IMPLICIT in 135 seconds.
[2025-06-02 12:07:20] [INFO ] Timeout of Implicit test with SMT after 135 seconds.
[2025-06-02 12:07:20] [INFO ] Implicit Places using invariants and state equation in 135608 ms returned []
Implicit Place search using SMT with State Equation took 135860 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LTL mode, iteration 1 : 121/138 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 135870 ms. Remains : 121/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 256 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-00
Product exploration explored 100000 steps with 50000 reset in 3745 ms.
Product exploration explored 100000 steps with 50000 reset in 3648 ms.
Computed a total of 121 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 121 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 p2) p0 (NOT p1)), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X p1), (X (NOT p1)), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 15 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-20-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-20-LTLCardinality-00 finished in 143966 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(X((F(p0) U p1))))&&F(p2)))'
Support contains 5 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 122 transition count 400
Applied a total of 16 rules in 6 ms. Remains 122 /138 variables (removed 16) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 122 cols
[2025-06-02 12:07:28] [INFO ] Invariants computation overflowed in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:07:28] [INFO ] Implicit Places using invariants in 257 ms returned []
// Phase 1: matrix 400 rows 122 cols
[2025-06-02 12:07:28] [INFO ] Invariants computation overflowed in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:08:13] [INFO ] Performed 5/122 implicitness test of which 0 returned IMPLICIT in 44 seconds.
[2025-06-02 12:09:11] [INFO ] Performed 7/122 implicitness test of which 0 returned IMPLICIT in 102 seconds.
[2025-06-02 12:09:58] [INFO ] Performed 8/122 implicitness test of which 0 returned IMPLICIT in 150 seconds.
[2025-06-02 12:09:58] [INFO ] Timeout of Implicit test with SMT after 150 seconds.
[2025-06-02 12:09:58] [INFO ] Implicit Places using invariants and state equation in 150455 ms returned []
Implicit Place search using SMT with State Equation took 150716 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 122/138 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 150722 ms. Remains : 122/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-01
Stuttering criterion allowed to conclude after 16 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-01 finished in 151009 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 2 out of 138 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Graph (complete) has 80 edges and 138 vertex of which 118 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.2 ms
Discarding 20 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 18 ms. Remains 118 /138 variables (removed 20) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:09:59] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:09:59] [INFO ] Implicit Places using invariants in 154 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:09:59] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:11:20] [INFO ] Performed 3/118 implicitness test of which 0 returned IMPLICIT in 70 seconds.
[2025-06-02 12:12:39] [INFO ] Performed 4/118 implicitness test of which 0 returned IMPLICIT in 149 seconds.
[2025-06-02 12:12:39] [INFO ] Timeout of Implicit test with SMT after 149 seconds.
[2025-06-02 12:12:39] [INFO ] Implicit Places using invariants and state equation in 160027 ms returned []
Implicit Place search using SMT with State Equation took 160192 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:12:39] [INFO ] Redundant transitions in 23 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 118/138 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 160247 ms. Remains : 118/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-04
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-04 finished in 160336 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(p1))||G(p2)||p0)))'
Support contains 4 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 121 transition count 400
Applied a total of 17 rules in 4 ms. Remains 121 /138 variables (removed 17) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:12:39] [INFO ] Invariants computation overflowed in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:12:39] [INFO ] Implicit Places using invariants in 177 ms returned []
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:12:39] [INFO ] Invariants computation overflowed in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:13:36] [INFO ] Performed 4/121 implicitness test of which 0 returned IMPLICIT in 51 seconds.
[2025-06-02 12:13:57] [INFO ] Implicit Places using invariants and state equation in 77894 ms returned [43, 81, 82, 120]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 78085 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 117/138 places, 400/400 transitions.
Applied a total of 0 rules in 2 ms. Remains 117 /117 variables (removed 0) and now considering 400/400 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 78092 ms. Remains : 117/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-06
Product exploration explored 100000 steps with 49066 reset in 3603 ms.
Product exploration explored 100000 steps with 48888 reset in 3582 ms.
Computed a total of 117 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 117 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 p1 p0 p2), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1)))))]
Knowledge based reduction with 7 factoid took 1125 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 32130 steps (1731 resets) in 954 ms. (33 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0 p2), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (F (NOT (OR p1 (NOT p2)))), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p1 p2))), (F (NOT p1))]
Knowledge based reduction with 7 factoid took 1630 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 134 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 4 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 400/400 transitions.
Applied a total of 0 rules in 5 ms. Remains 117 /117 variables (removed 0) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 117 cols
[2025-06-02 12:14:08] [INFO ] Invariants computation overflowed in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:14:09] [INFO ] Implicit Places using invariants in 168 ms returned []
// Phase 1: matrix 400 rows 117 cols
[2025-06-02 12:14:09] [INFO ] Invariants computation overflowed in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:14:57] [INFO ] Performed 4/117 implicitness test of which 0 returned IMPLICIT in 46 seconds.
[2025-06-02 12:15:28] [INFO ] Performed 5/117 implicitness test of which 0 returned IMPLICIT in 78 seconds.
[2025-06-02 12:16:21] [INFO ] Performed 7/117 implicitness test of which 0 returned IMPLICIT in 130 seconds.
[2025-06-02 12:16:21] [INFO ] Timeout of Implicit test with SMT after 130 seconds.
[2025-06-02 12:16:21] [INFO ] Implicit Places using invariants and state equation in 131965 ms returned []
Implicit Place search using SMT with State Equation took 132143 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 132150 ms. Remains : 117/117 places, 400/400 transitions.
Computed a total of 117 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 117 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 p1 p0 p2), (X (X (NOT (AND (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 5 factoid took 699 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 30180 steps (1632 resets) in 892 ms. (33 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0 p2), (X (X (NOT (AND (NOT p1) (NOT p2))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p1) p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2)))), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p1 p2))), (F (NOT p1))]
Knowledge based reduction with 5 factoid took 1030 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 148 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 142 ms :[(NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 48949 reset in 3560 ms.
Stuttering criterion allowed to conclude after 834 steps with 408 reset in 30 ms.
FORMULA NQueens-PT-20-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-06 finished in 228124 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((p0 U X(!p1))) U (p0&&X((p0 U X(!p1))))))))))'
Support contains 3 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 118 transition count 400
Applied a total of 20 rules in 3 ms. Remains 118 /138 variables (removed 20) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:16:27] [INFO ] Invariants computation overflowed in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:16:27] [INFO ] Implicit Places using invariants in 161 ms returned []
// Phase 1: matrix 400 rows 118 cols
[2025-06-02 12:16:27] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:17:21] [INFO ] Performed 1/118 implicitness test of which 0 returned IMPLICIT in 53 seconds.
[2025-06-02 12:17:53] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 85 seconds.
[2025-06-02 12:18:40] [INFO ] Performed 4/118 implicitness test of which 0 returned IMPLICIT in 132 seconds.
[2025-06-02 12:18:40] [INFO ] Timeout of Implicit test with SMT after 132 seconds.
[2025-06-02 12:18:40] [INFO ] Implicit Places using invariants and state equation in 132602 ms returned []
Implicit Place search using SMT with State Equation took 132772 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 118/138 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 132776 ms. Remains : 118/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-09
Stuttering criterion allowed to conclude after 38 steps with 1 reset in 2 ms.
FORMULA NQueens-PT-20-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-09 finished in 133036 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((F(G(p1))&&F(p2)))))'
Support contains 4 out of 138 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Graph (complete) has 80 edges and 138 vertex of which 121 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.1 ms
Discarding 17 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 121 /138 variables (removed 17) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:18:40] [INFO ] Invariants computation overflowed in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:18:40] [INFO ] Implicit Places using invariants in 160 ms returned []
// Phase 1: matrix 400 rows 121 cols
[2025-06-02 12:18:40] [INFO ] Invariants computation overflowed in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:19:28] [INFO ] Performed 4/121 implicitness test of which 0 returned IMPLICIT in 46 seconds.
[2025-06-02 12:21:16] [INFO ] Performed 6/121 implicitness test of which 0 returned IMPLICIT in 153 seconds.
[2025-06-02 12:21:16] [INFO ] Timeout of Implicit test with SMT after 153 seconds.
[2025-06-02 12:21:16] [INFO ] Implicit Places using invariants and state equation in 155218 ms returned []
Implicit Place search using SMT with State Equation took 155390 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:21:16] [INFO ] Redundant transitions in 11 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 121/138 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 155420 ms. Remains : 121/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 188 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-12
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-12 finished in 155627 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(G(p0))))'
Support contains 3 out of 138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 138/138 places, 400/400 transitions.
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 120 transition count 400
Applied a total of 18 rules in 5 ms. Remains 120 /138 variables (removed 18) and now considering 400/400 (removed 0) transitions.
// Phase 1: matrix 400 rows 120 cols
[2025-06-02 12:21:16] [INFO ] Invariants computation overflowed in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:21:16] [INFO ] Implicit Places using invariants in 145 ms returned []
// Phase 1: matrix 400 rows 120 cols
[2025-06-02 12:21:16] [INFO ] Invariants computation overflowed in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:22:05] [INFO ] Performed 3/120 implicitness test of which 0 returned IMPLICIT in 47 seconds.
[2025-06-02 12:22:46] [INFO ] Performed 4/120 implicitness test of which 0 returned IMPLICIT in 88 seconds.
[2025-06-02 12:23:56] [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 160032 ms
Implicit Place search using SMT with State Equation took 160180 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 120/138 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 160186 ms. Remains : 120/138 places, 400/400 transitions.
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-15 finished in 160338 ms.
All properties solved by simple procedures.
Total runtime 1299732 ms.
BK_STOP 1748867037102
--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="NQueens-PT-20"
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 2-5832"
echo " Executing tool itstools"
echo " Input is NQueens-PT-20, 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 r142-tall-174876812400323"
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 [ "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 '
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 ;