Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812300283.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-05, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812300283
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K 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 46K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 21K 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 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K 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 30K 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-05-LTLCardinality-00
FORMULA_NAME NQueens-PT-05-LTLCardinality-01
FORMULA_NAME NQueens-PT-05-LTLCardinality-02
FORMULA_NAME NQueens-PT-05-LTLCardinality-03
FORMULA_NAME NQueens-PT-05-LTLCardinality-04
FORMULA_NAME NQueens-PT-05-LTLCardinality-05
FORMULA_NAME NQueens-PT-05-LTLCardinality-06
FORMULA_NAME NQueens-PT-05-LTLCardinality-07
FORMULA_NAME NQueens-PT-05-LTLCardinality-08
FORMULA_NAME NQueens-PT-05-LTLCardinality-09
FORMULA_NAME NQueens-PT-05-LTLCardinality-10
FORMULA_NAME NQueens-PT-05-LTLCardinality-11
FORMULA_NAME NQueens-PT-05-LTLCardinality-12
FORMULA_NAME NQueens-PT-05-LTLCardinality-13
FORMULA_NAME NQueens-PT-05-LTLCardinality-14
FORMULA_NAME NQueens-PT-05-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748856222775

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-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 09:23:43] [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 09:23:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 09:23:44] [INFO ] Load time of PNML (sax parser for PT used): 48 ms
[2025-06-02 09:23:44] [INFO ] Transformed 55 places.
[2025-06-02 09:23:44] [INFO ] Transformed 25 transitions.
[2025-06-02 09:23:44] [INFO ] Found NUPN structural information;
[2025-06-02 09:23:44] [INFO ] Parsed PT model containing 55 places and 25 transitions and 125 arcs in 140 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-05-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-05-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-05-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-05-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-05-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 25/25 transitions.
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 38 transition count 25
Applied a total of 15 rules in 12 ms. Remains 38 /53 variables (removed 15) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 38 cols
[2025-06-02 09:23:44] [INFO ] Computed 13 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:44] [INFO ] Implicit Places using invariants in 197 ms returned []
[2025-06-02 09:23:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:44] [INFO ] Implicit Places using invariants and state equation in 129 ms returned [29, 37]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 362 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/53 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 389 ms. Remains : 36/53 places, 25/25 transitions.
Support contains 24 out of 36 places after structural reductions.
[2025-06-02 09:23:44] [INFO ] Flatten gal took : 27 ms
[2025-06-02 09:23:44] [INFO ] Flatten gal took : 7 ms
[2025-06-02 09:23:44] [INFO ] Input system was already deterministic with 25 transitions.
Reduction of identical properties reduced properties to check from 20 to 19
RANDOM walk for 343 steps (62 resets) in 25 ms. (13 steps per ms) remains 0/19 properties
Computed a total of 36 stabilizing places and 25 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 36 transition count 25
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))'
Support contains 3 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 27 transition count 25
Applied a total of 9 rules in 1 ms. Remains 27 /36 variables (removed 9) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 27 cols
[2025-06-02 09:23:45] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:45] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-02 09:23:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:45] [INFO ] Implicit Places using invariants and state equation in 123 ms returned [11, 19]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 196 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/36 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 198 ms. Remains : 25/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 200 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA NQueens-PT-05-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-00 finished in 452 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 3 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Graph (complete) has 39 edges and 36 vertex of which 28 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 28 /36 variables (removed 8) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 28 cols
[2025-06-02 09:23:45] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:45] [INFO ] Implicit Places using invariants in 113 ms returned []
[2025-06-02 09:23:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:45] [INFO ] Implicit Places using invariants and state equation in 98 ms returned [12, 20]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 214 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 26/36 places, 25/25 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 225 ms. Remains : 26/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-03
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-03 finished in 315 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(p0)&&X((p1&&X((p1&&X(F(p2)))))))))'
Support contains 5 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 28 transition count 25
Applied a total of 8 rules in 1 ms. Remains 28 /36 variables (removed 8) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 28 cols
[2025-06-02 09:23:45] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:45] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-02 09:23:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:46] [INFO ] Implicit Places using invariants and state equation in 94 ms returned [12, 20]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 167 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/36 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 170 ms. Remains : 26/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 2000 ms :[(NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p2) (AND p0 (NOT p2))), (OR (NOT p2) (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), true]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-04 finished in 2194 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&&F(p1)&&X(p0))))'
Support contains 2 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 27 transition count 25
Applied a total of 9 rules in 1 ms. Remains 27 /36 variables (removed 9) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 27 cols
[2025-06-02 09:23:48] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-02 09:23:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants and state equation in 92 ms returned [11, 19]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 160 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/36 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 163 ms. Remains : 25/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-05
Stuttering criterion allowed to conclude after 289 steps with 101 reset in 6 ms.
FORMULA NQueens-PT-05-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-05 finished in 302 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))'
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Graph (complete) has 39 edges and 36 vertex of which 26 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 26 /36 variables (removed 10) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 26 cols
[2025-06-02 09:23:48] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-02 09:23:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants and state equation in 99 ms returned [10, 18]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 169 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/36 places, 25/25 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 175 ms. Remains : 24/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-06
Stuttering criterion allowed to conclude after 21 steps with 6 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-06 finished in 217 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&&X(p1)))))'
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 28 transition count 25
Applied a total of 8 rules in 1 ms. Remains 28 /36 variables (removed 8) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 28 cols
[2025-06-02 09:23:48] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-02 09:23:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants and state equation in 70 ms returned [12, 20]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 135 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/36 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 137 ms. Remains : 26/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 161 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 18 steps with 4 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-07 finished in 312 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 2 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Graph (complete) has 39 edges and 36 vertex of which 26 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 26 /36 variables (removed 10) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 26 cols
[2025-06-02 09:23:48] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:48] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-02 09:23:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants and state equation in 125 ms returned [10, 18]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 188 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/36 places, 25/25 transitions.
Applied a total of 0 rules in 3 ms. Remains 24 /24 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 193 ms. Remains : 24/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-08
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-05-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-08 finished in 244 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(p0) U p1) U !p2))'
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Graph (complete) has 39 edges and 36 vertex of which 26 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 26 /36 variables (removed 10) and now considering 25/25 (removed 0) transitions.
[2025-06-02 09:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-02 09:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 09:23:49] [INFO ] Redundant transitions in 0 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 : 26/36 places, 25/25 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 166 ms. Remains : 26/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 128 ms :[p2, true, (NOT p0), (NOT p1)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-10
Stuttering criterion allowed to conclude after 6 steps with 1 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-10 finished in 309 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&&F(p1)) U (p2||X(p2))))'
Support contains 2 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 26 transition count 25
Applied a total of 10 rules in 2 ms. Remains 26 /36 variables (removed 10) and now considering 25/25 (removed 0) transitions.
[2025-06-02 09:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-02 09:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants and state equation in 88 ms returned [10, 18]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 148 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/36 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 151 ms. Remains : 24/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 179 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-12
Stuttering criterion allowed to conclude after 8 steps with 1 reset in 0 ms.
FORMULA NQueens-PT-05-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-12 finished in 353 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)))'
Support contains 2 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 27 transition count 25
Applied a total of 9 rules in 1 ms. Remains 27 /36 variables (removed 9) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 27 cols
[2025-06-02 09:23:49] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-02 09:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:49] [INFO ] Implicit Places using invariants and state equation in 85 ms returned [11, 19]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 151 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/36 places, 25/25 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 152 ms. Remains : 25/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 313 ms.
Product exploration explored 100000 steps with 50000 reset in 309 ms.
Computed a total of 25 stabilizing places and 25 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 25 transition count 25
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 : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
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 18 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NQueens-PT-05-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NQueens-PT-05-LTLCardinality-13 finished in 981 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((G(p1)||p0))))'
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 25/25 transitions.
Graph (complete) has 39 edges and 36 vertex of which 29 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 29 /36 variables (removed 7) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 29 cols
[2025-06-02 09:23:50] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:50] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-02 09:23:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:23:50] [INFO ] Implicit Places using invariants and state equation in 97 ms returned [13, 21]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 157 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/36 places, 25/25 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 25/25 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 163 ms. Remains : 27/36 places, 25/25 transitions.
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : NQueens-PT-05-LTLCardinality-15
Stuttering criterion allowed to conclude after 24 steps with 4 reset in 1 ms.
FORMULA NQueens-PT-05-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-05-LTLCardinality-15 finished in 260 ms.
All properties solved by simple procedures.
Total runtime 7105 ms.

BK_STOP 1748856231447

--------------------
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-05"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is NQueens-PT-05, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r142-tall-174876812300283"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-05.tgz
mv NQueens-PT-05 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;