Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264300523.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 RobotManipulation-PT-00005, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264300523
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 6.4K 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 RobotManipulation-PT-00005-LTLCardinality-00
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-01
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-02
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-03
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-04
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-05
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-06
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-07
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-08
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-09
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-10
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-11
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-12
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-13
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-14
FORMULA_NAME RobotManipulation-PT-00005-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749121366768

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RobotManipulation-PT-00005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-05 11:02:47] [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]
[2025-06-05 11:02:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 11:02:48] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2025-06-05 11:02:48] [INFO ] Transformed 15 places.
[2025-06-05 11:02:48] [INFO ] Transformed 11 transitions.
[2025-06-05 11:02:48] [INFO ] Parsed PT model containing 15 places and 11 transitions and 34 arcs in 107 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA RobotManipulation-PT-00005-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Applied a total of 0 rules in 9 ms. Remains 15 /15 variables (removed 0) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 15 cols
[2025-06-05 11:02:48] [INFO ] Computed 6 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:48] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-05 11:02:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:48] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 207 ms to find 0 implicit places.
Running 10 sub problems to find dead transitions.
[2025-06-05 11:02:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 11/26 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 21 constraints, problems are : Problem set: 0 solved, 10 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 15/15 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 11/26 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/26 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 31 constraints, problems are : Problem set: 0 solved, 10 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 15/15 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 438ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 447ms
Finished structural reductions in LTL mode , in 1 iterations and 685 ms. Remains : 15/15 places, 11/11 transitions.
Support contains 15 out of 15 places after structural reductions.
[2025-06-05 11:02:49] [INFO ] Flatten gal took : 14 ms
[2025-06-05 11:02:49] [INFO ] Flatten gal took : 4 ms
[2025-06-05 11:02:49] [INFO ] Input system was already deterministic with 11 transitions.
RANDOM walk for 40007 steps (8 resets) in 334 ms. (119 steps per ms) remains 2/28 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 268 ms. (148 steps per ms) remains 2/2 properties
[2025-06-05 11:02:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp26 is UNSAT
At refinement iteration 1 (OVERLAPS) 7/11 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp21 is UNSAT
After SMT solving in domain Real declared 15/26 variables, and 6 constraints, problems are : Problem set: 2 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/15 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA RobotManipulation-PT-00005-LTLCardinality-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA RobotManipulation-PT-00005-LTLCardinality-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA RobotManipulation-PT-00005-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 13 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 11 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 6 place count 11 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 10 transition count 8
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 8 transition count 6
Applied a total of 12 rules in 15 ms. Remains 8 /15 variables (removed 7) and now considering 6/11 (removed 5) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-05 11:02:49] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:49] [INFO ] Implicit Places using invariants in 31 ms returned [3, 6, 7]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 32 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/15 places, 6/11 transitions.
Graph (trivial) has 4 edges and 5 vertex of which 3 / 5 are part of one of the 1 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Applied a total of 1 rules in 5 ms. Remains 3 /5 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-05 11:02:49] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:49] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-05 11:02:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:49] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 3/15 places, 4/11 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 93 ms. Remains : 3/15 places, 4/11 transitions.
Stuttering acceptance computed with spot in 209 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 3 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-00 finished in 362 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)||G(p1)))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 13 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 11 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 6 place count 11 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 10 transition count 8
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 8 transition count 6
Applied a total of 12 rules in 3 ms. Remains 8 /15 variables (removed 7) and now considering 6/11 (removed 5) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-05 11:02:50] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:50] [INFO ] Implicit Places using invariants in 19 ms returned [6, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 20 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/15 places, 6/11 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 24 ms. Remains : 6/15 places, 6/11 transitions.
Stuttering acceptance computed with spot in 128 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-02 finished in 171 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 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 13 transition count 10
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 12 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 11 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6 place count 11 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 10 place count 9 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 12 place count 8 transition count 6
Applied a total of 12 rules in 2 ms. Remains 8 /15 variables (removed 7) and now considering 6/11 (removed 5) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-05 11:02:50] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:50] [INFO ] Implicit Places using invariants in 29 ms returned [4, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 30 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/15 places, 6/11 transitions.
Graph (trivial) has 4 edges and 6 vertex of which 3 / 6 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 4 transition count 3
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 3 transition count 3
Applied a total of 3 rules in 2 ms. Remains 3 /6 variables (removed 3) and now considering 3/6 (removed 3) transitions.
// Phase 1: matrix 3 rows 3 cols
[2025-06-05 11:02:50] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:50] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-05 11:02:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:50] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 3/15 places, 3/11 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 78 ms. Remains : 3/15 places, 3/11 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-03 finished in 133 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 (G(p1)||(p1&&F((G(F(p2))||(F(p2)&&X(p3))))))))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 13 cols
[2025-06-05 11:02:50] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:50] [INFO ] Implicit Places using invariants in 21 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 26 ms. Remains : 11/15 places, 11/11 transitions.
Stuttering acceptance computed with spot in 258 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) p1 (NOT p3))]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-04
Product exploration explored 100000 steps with 1196 reset in 275 ms.
Stack based approach found an accepted trace after 1784 steps with 25 reset with depth 17 and stack size 17 in 5 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-04 finished in 610 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)||F(G(p1)))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
[2025-06-05 11:02:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:51] [INFO ] Implicit Places using invariants in 34 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 11/15 places, 11/11 transitions.
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-05
Product exploration explored 100000 steps with 0 reset in 125 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 0 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-05 finished in 286 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(p1)) U X(X((G(!p1) U X(p0))))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
[2025-06-05 11:02:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:51] [INFO ] Implicit Places using invariants in 31 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 10 transition count 10
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Applied a total of 2 rules in 1 ms. Remains 10 /11 variables (removed 1) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 10 cols
[2025-06-05 11:02:51] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:51] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-05 11:02:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:51] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/15 places, 10/11 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 10/15 places, 10/11 transitions.
Stuttering acceptance computed with spot in 562 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (AND (NOT p0) (NOT p1)), (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-06
Product exploration explored 100000 steps with 25000 reset in 69 ms.
Product exploration explored 100000 steps with 25000 reset in 99 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 120 ms. Reduced automaton from 13 states, 23 edges and 2 AP (stutter sensitive) to 10 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 350 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 10194 steps (1 resets) in 22 ms. (443 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 219 ms. Reduced automaton from 10 states, 15 edges and 2 AP (stutter sensitive) to 10 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 397 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 382 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10/10 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2025-06-05 11:02:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:53] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-05 11:02:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:53] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2025-06-05 11:02:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/20 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 12 constraints, problems are : Problem set: 0 solved, 9 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/20 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 21 constraints, problems are : Problem set: 0 solved, 9 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 200ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 201ms
Finished structural reductions in LTL mode , in 1 iterations and 256 ms. Remains : 10/10 places, 10/10 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 84 ms. Reduced automaton from 10 states, 15 edges and 2 AP (stutter sensitive) to 10 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 369 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 3803 steps (0 resets) in 11 ms. (316 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 175 ms. Reduced automaton from 10 states, 15 edges and 2 AP (stutter sensitive) to 10 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 369 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 390 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 390 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 60 ms.
Product exploration explored 100000 steps with 25000 reset in 50 ms.
Applying partial POR strategy [false, false, true, false, true, true, false, true, false, false]
Stuttering acceptance computed with spot in 406 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND p1 (NOT p0)), true, (NOT p0), p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 10/10 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 1 place count 10 transition count 11
Deduced a syphon composed of 3 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 10 transition count 11
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 10 transition count 11
Deduced a syphon composed of 4 places in 0 ms
Applied a total of 4 rules in 4 ms. Remains 10 /10 variables (removed 0) and now considering 11/10 (removed -1) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 11:02:56] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
// Phase 1: matrix 11 rows 10 cols
[2025-06-05 11:02:56] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD9 is UNSAT
At refinement iteration 4 (OVERLAPS) 11/21 variables, 10/12 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/12 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/21 variables, 0/12 constraints. Problems are: Problem set: 5 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 12 constraints, problems are : Problem set: 5 solved, 5 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 6/10 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 11/21 variables, 10/12 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 5/17 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/17 constraints. Problems are: Problem set: 5 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/21 variables, 0/17 constraints. Problems are: Problem set: 5 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 17 constraints, problems are : Problem set: 5 solved, 5 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 5/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 5 solved, 5 unsolved
Search for dead transitions found 5 dead transitions in 141ms
Found 5 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 5 transitions
Dead transitions reduction (with SMT) removed 5 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 10/10 places, 6/10 transitions.
Graph (complete) has 8 edges and 10 vertex of which 6 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 places
Graph (trivial) has 2 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 4 transition count 5
Applied a total of 3 rules in 3 ms. Remains 4 /10 variables (removed 6) and now considering 5/6 (removed 1) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 4/10 places, 5/10 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 157 ms. Remains : 4/10 places, 5/10 transitions.
Built C files in :
/tmp/ltsmin11328097061874368146
[2025-06-05 11:02:56] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11328097061874368146
Running compilation step : cd /tmp/ltsmin11328097061874368146;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 166 ms.
Running link step : cd /tmp/ltsmin11328097061874368146;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin11328097061874368146;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12150013766028199712.hoa' '--buchi-type=spotba'
LTSmin run took 136 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property RobotManipulation-PT-00005-LTLCardinality-06 finished in 5694 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)||X(F(p1))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 13 cols
[2025-06-05 11:02:57] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants in 24 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 10 transition count 10
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Applied a total of 2 rules in 0 ms. Remains 10 /11 variables (removed 1) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 10 cols
[2025-06-05 11:02:57] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-05 11:02:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/15 places, 10/11 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 75 ms. Remains : 10/15 places, 10/11 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 36 ms.
Product exploration explored 100000 steps with 50000 reset in 43 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 17 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RobotManipulation-PT-00005-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RobotManipulation-PT-00005-LTLCardinality-07 finished in 317 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((p1 U p2))&&p0)))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 12 transition count 10
Applied a total of 4 rules in 3 ms. Remains 12 /15 variables (removed 3) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 12 cols
[2025-06-05 11:02:57] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants in 25 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/15 places, 10/11 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 10/10 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29 ms. Remains : 10/15 places, 10/11 transitions.
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-08
Product exploration explored 100000 steps with 199 reset in 162 ms.
Stack based approach found an accepted trace after 22 steps with 0 reset with depth 23 and stack size 23 in 0 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-08 finished in 322 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))||G(!p0)))))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 13 cols
[2025-06-05 11:02:57] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants in 31 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 10 transition count 10
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Applied a total of 2 rules in 2 ms. Remains 10 /11 variables (removed 1) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 10 cols
[2025-06-05 11:02:57] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-05 11:02:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:57] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/15 places, 10/11 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 85 ms. Remains : 10/15 places, 10/11 transitions.
Stuttering acceptance computed with spot in 174 ms :[false, (NOT p0), false, false]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-09
Product exploration explored 100000 steps with 33333 reset in 40 ms.
Product exploration explored 100000 steps with 33333 reset in 43 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 16 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RobotManipulation-PT-00005-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RobotManipulation-PT-00005-LTLCardinality-09 finished in 377 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)&&F(G(!p1)))))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 13 transition count 8
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 10 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 8 place count 10 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 9 transition count 7
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 14 place count 7 transition count 5
Applied a total of 14 rules in 2 ms. Remains 7 /15 variables (removed 8) and now considering 5/11 (removed 6) transitions.
// Phase 1: matrix 5 rows 7 cols
[2025-06-05 11:02:58] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants in 27 ms returned [3, 5, 6]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 28 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/15 places, 5/11 transitions.
Graph (trivial) has 3 edges and 4 vertex of which 2 / 4 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 1 ms. Remains 3 /4 variables (removed 1) and now considering 4/5 (removed 1) transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-05 11:02:58] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-05 11:02:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 3/15 places, 4/11 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 68 ms. Remains : 3/15 places, 4/11 transitions.
Stuttering acceptance computed with spot in 89 ms :[(OR (NOT p0) p1), p1]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA RobotManipulation-PT-00005-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RobotManipulation-PT-00005-LTLCardinality-11 finished in 167 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((p0&&F(p1))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 13 cols
[2025-06-05 11:02:58] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants in 25 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 10 transition count 10
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Applied a total of 2 rules in 1 ms. Remains 10 /11 variables (removed 1) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 10 cols
[2025-06-05 11:02:58] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-05 11:02:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/15 places, 10/11 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 79 ms. Remains : 10/15 places, 10/11 transitions.
Stuttering acceptance computed with spot in 135 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-12
Product exploration explored 100000 steps with 50000 reset in 63 ms.
Product exploration explored 100000 steps with 50000 reset in 77 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 17 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RobotManipulation-PT-00005-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RobotManipulation-PT-00005-LTLCardinality-12 finished in 382 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 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 11/11 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 11
Applied a total of 2 rules in 1 ms. Remains 13 /15 variables (removed 2) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 13 cols
[2025-06-05 11:02:58] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 11:02:58] [INFO ] Implicit Places using invariants in 22 ms returned [5, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 11/11 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24 ms. Remains : 11/15 places, 11/11 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RobotManipulation-PT-00005-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 52 ms.
Product exploration explored 100000 steps with 50000 reset in 83 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RobotManipulation-PT-00005-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RobotManipulation-PT-00005-LTLCardinality-13 finished in 250 ms.
All properties solved by simple procedures.
Total runtime 10905 ms.

BK_STOP 1749121378887

--------------------
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="RobotManipulation-PT-00005"
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 RobotManipulation-PT-00005, 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 r184-tall-174889264300523"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RobotManipulation-PT-00005.tgz
mv RobotManipulation-PT-00005 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 ;