Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r268-smll-171654407700489.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is Philosophers-PT-000010, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r268-smll-171654407700489
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 692K
-rw-r--r-- 1 mcc users 17K Apr 13 09:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 13 09:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 10K Apr 13 09:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 81K Apr 13 09:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.6K Apr 23 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 23 07:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 31K Apr 23 07:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 13 09:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Apr 13 09:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 18K Apr 13 09:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 136K Apr 13 09:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.9K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 22K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-00
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-01
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-02
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-03
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-04
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-05
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-06
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-07
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-08
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-09
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-10
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-11
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-12
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-13
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-14
FORMULA_NAME Philosophers-PT-000010-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716909343888

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202405141337
[2024-05-28 15:15:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-28 15:15:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 15:15:46] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2024-05-28 15:15:46] [INFO ] Transformed 50 places.
[2024-05-28 15:15:46] [INFO ] Transformed 50 transitions.
[2024-05-28 15:15:46] [INFO ] Found NUPN structural information;
[2024-05-28 15:15:46] [INFO ] Parsed PT model containing 50 places and 50 transitions and 160 arcs in 352 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 58 ms.
FORMULA Philosophers-PT-000010-CTLCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 50 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 14 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2024-05-28 15:15:46] [INFO ] Computed 20 invariants in 11 ms
[2024-05-28 15:15:47] [INFO ] Implicit Places using invariants in 402 ms returned []
[2024-05-28 15:15:47] [INFO ] Invariant cache hit.
[2024-05-28 15:15:47] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 642 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:15:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 1297 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 843 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 2231ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 2252ms
Finished structural reductions in LTL mode , in 1 iterations and 2963 ms. Remains : 50/50 places, 50/50 transitions.
Support contains 50 out of 50 places after structural reductions.
[2024-05-28 15:15:50] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-28 15:15:50] [INFO ] Flatten gal took : 52 ms
FORMULA Philosophers-PT-000010-CTLCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 15:15:50] [INFO ] Flatten gal took : 21 ms
[2024-05-28 15:15:50] [INFO ] Input system was already deterministic with 50 transitions.
RANDOM walk for 40000 steps (278 resets) in 3342 ms. (11 steps per ms) remains 27/60 properties
BEST_FIRST walk for 4004 steps (32 resets) in 41 ms. (95 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 21 ms. (182 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 51 ms. (77 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 37 ms. (105 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 60 ms. (65 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 12 ms. (308 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 25 ms. (154 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (32 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
[2024-05-28 15:15:51] [INFO ] Invariant cache hit.
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp30 is UNSAT
Problem AtomicPropp32 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp35 is UNSAT
Problem AtomicPropp36 is UNSAT
Problem AtomicPropp38 is UNSAT
Problem AtomicPropp39 is UNSAT
Problem AtomicPropp41 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 25 solved, 2 unsolved
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp19 is UNSAT
After SMT solving in domain Real declared 50/100 variables, and 70 constraints, problems are : Problem set: 27 solved, 0 unsolved in 78 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 0/50 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 27 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 27 atomic propositions for a total of 14 simplifications.
FORMULA Philosophers-PT-000010-CTLCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000010-CTLCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 15:15:51] [INFO ] Flatten gal took : 14 ms
[2024-05-28 15:15:51] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA Philosophers-PT-000010-CTLCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 15:15:51] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:51] [INFO ] Input system was already deterministic with 50 transitions.
Support contains 44 out of 50 places (down from 50) after GAL structural reductions.
FORMULA Philosophers-PT-000010-CTLCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 40 transition count 40
Applied a total of 20 rules in 24 ms. Remains 40 /50 variables (removed 10) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 40 cols
[2024-05-28 15:15:51] [INFO ] Computed 20 invariants in 1 ms
[2024-05-28 15:15:52] [INFO ] Implicit Places using invariants in 74 ms returned []
[2024-05-28 15:15:52] [INFO ] Invariant cache hit.
[2024-05-28 15:15:52] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-28 15:15:52] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-28 15:15:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 10/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 40/80 variables, 40/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/80 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 100 constraints, problems are : Problem set: 0 solved, 20 unsolved in 479 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 10/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 40/80 variables, 40/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/80 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 120 constraints, problems are : Problem set: 0 solved, 20 unsolved in 402 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 890ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 890ms
Starting structural reductions in SI_CTL mode, iteration 1 : 40/50 places, 40/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1086 ms. Remains : 40/50 places, 40/50 transitions.
[2024-05-28 15:15:53] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:53] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:53] [INFO ] Input system was already deterministic with 40 transitions.
RANDOM walk for 343 steps (1 resets) in 12 ms. (26 steps per ms) remains 0/1 properties
FORMULA Philosophers-PT-000010-CTLCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2024-05-28 15:15:53] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:53] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:15:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15711084128980491129.gal : 3 ms
[2024-05-28 15:15:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14726289513746801416.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15711084128980491129.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14726289513746801416.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14726289513746801416.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,8,0.027698,3716,2,59,5,164,6,0,203,67,0
Total reachable state count : 8

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2024-05-28 15:15:53] [INFO ] Computed 20 invariants in 3 ms
[2024-05-28 15:15:53] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-28 15:15:53] [INFO ] Invariant cache hit.
[2024-05-28 15:15:53] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
[2024-05-28 15:15:53] [INFO ] Redundant transitions in 1 ms returned []
Running 30 sub problems to find dead transitions.
[2024-05-28 15:15:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 867 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 839 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1723ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1725ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 1946 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:15:55] [INFO ] Flatten gal took : 8 ms
[2024-05-28 15:15:55] [INFO ] Flatten gal took : 8 ms
[2024-05-28 15:15:55] [INFO ] Input system was already deterministic with 50 transitions.
RANDOM walk for 33 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
FORMULA Philosophers-PT-000010-CTLCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2024-05-28 15:15:55] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:15:55] [INFO ] Flatten gal took : 9 ms
[2024-05-28 15:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1501174362873528412.gal : 3 ms
[2024-05-28 15:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4046252968804601519.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1501174362873528412.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4046252968804601519.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS runner timed out or was interrupted.
Loading property file /tmp/ReachabilityCardinality4046252968804601519.prop.
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2024-05-28 15:15:55] [INFO ] Invariant cache hit.
[2024-05-28 15:15:55] [INFO ] Implicit Places using invariants in 95 ms returned []
[2024-05-28 15:15:55] [INFO ] Invariant cache hit.
[2024-05-28 15:15:55] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:15:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 567 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 699 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1281ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1281ms
Finished structural reductions in LTL mode , in 1 iterations and 1481 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:15:56] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:56] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:56] [INFO ] Input system was already deterministic with 50 transitions.
[2024-05-28 15:15:56] [INFO ] Flatten gal took : 8 ms
[2024-05-28 15:15:56] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:56] [INFO ] Time to serialize gal into /tmp/CTLCardinality15901896915911727499.gal : 2 ms
[2024-05-28 15:15:56] [INFO ] Time to serialize properties into /tmp/CTLCardinality10666009516756966834.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality15901896915911727499.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10666009516756966834.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.038354,3624,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: ((EX((((((Eat_1+Eat_4)+(Eat_5+Eat_2))+((Eat_3+Eat_9)+(Eat_8+Eat_7)))+(Eat_6+Eat_10))<=((((Catch1_1+Catch1_3)+(Catch1_2+Catch1_5))+((Catch...656
=> equivalent forward existential formula: (([(Init * !(EX((((((Eat_1+Eat_4)+(Eat_5+Eat_2))+((Eat_3+Eat_9)+(Eat_8+Eat_7)))+(Eat_6+Eat_10))<=((((Catch1_1+Ca...760
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 10/0/40
(forward)formula 0,0,0.524224,10572,1,0,9,24038,20,6,3864,25684,8
FORMULA Philosophers-PT-000010-CTLCardinality-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2024-05-28 15:15:57] [INFO ] Invariant cache hit.
[2024-05-28 15:15:57] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-05-28 15:15:57] [INFO ] Invariant cache hit.
[2024-05-28 15:15:57] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:15:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 775 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 547 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1332ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1333ms
Finished structural reductions in LTL mode , in 1 iterations and 1520 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:15:58] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:58] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:15:58] [INFO ] Input system was already deterministic with 50 transitions.
[2024-05-28 15:15:58] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:15:58] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:15:58] [INFO ] Time to serialize gal into /tmp/CTLCardinality12643838054527592429.gal : 2 ms
[2024-05-28 15:15:58] [INFO ] Time to serialize properties into /tmp/CTLCardinality16980655491689991996.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality12643838054527592429.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality16980655491689991996.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.019701,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AX(AG(((((((Catch2_2+Catch2_3)+(Catch2_1+Catch2_6))+((Catch2_7+Catch2_4)+(Catch2_5+Catch2_10)))+(Catch2_8+Catch2_9))>68)||(((((Fork_1+For...342
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * !(((((((Catch2_2+Catch2_3)+(Catch2_1+Catch2_6))+((Catch2_7+Catch2_4)+(Catch2_5+Catch2_10...396
(forward)formula 0,0,0.342049,6428,1,0,9,3188,10,2,4993,3574,4
FORMULA Philosophers-PT-000010-CTLCardinality-2024-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 40 transition count 40
Applied a total of 20 rules in 8 ms. Remains 40 /50 variables (removed 10) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 40 cols
[2024-05-28 15:15:59] [INFO ] Computed 20 invariants in 1 ms
[2024-05-28 15:15:59] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-28 15:15:59] [INFO ] Invariant cache hit.
[2024-05-28 15:15:59] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-28 15:15:59] [INFO ] Redundant transitions in 1 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-28 15:15:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 10/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 40/80 variables, 40/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/80 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 100 constraints, problems are : Problem set: 0 solved, 20 unsolved in 512 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 10/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 40/80 variables, 40/100 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/80 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 120 constraints, problems are : Problem set: 0 solved, 20 unsolved in 498 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 1018ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 1019ms
Starting structural reductions in SI_CTL mode, iteration 1 : 40/50 places, 40/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1245 ms. Remains : 40/50 places, 40/50 transitions.
[2024-05-28 15:16:00] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:00] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:00] [INFO ] Input system was already deterministic with 40 transitions.
[2024-05-28 15:16:00] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:00] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:00] [INFO ] Time to serialize gal into /tmp/CTLCardinality8636664015861974222.gal : 1 ms
[2024-05-28 15:16:00] [INFO ] Time to serialize properties into /tmp/CTLCardinality16187277664220590977.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality8636664015861974222.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality16187277664220590977.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,15127,0.01608,3664,2,150,5,636,6,0,203,437,0


Converting to forward existential form...Done !
original formula: AG(EF((Catch2_7==1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (Catch2_7==1))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.038438,4244,1,0,9,3882,14,3,961,1409,5
FORMULA Philosophers-PT-000010-CTLCardinality-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 3 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2024-05-28 15:16:00] [INFO ] Computed 20 invariants in 2 ms
[2024-05-28 15:16:00] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-28 15:16:00] [INFO ] Invariant cache hit.
[2024-05-28 15:16:00] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 244 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:16:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 842 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 775 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1629ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1630ms
Finished structural reductions in LTL mode , in 1 iterations and 1877 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:16:02] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:02] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:16:02] [INFO ] Input system was already deterministic with 50 transitions.
[2024-05-28 15:16:02] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:02] [INFO ] Flatten gal took : 7 ms
[2024-05-28 15:16:02] [INFO ] Time to serialize gal into /tmp/CTLCardinality15820324145101344672.gal : 2 ms
[2024-05-28 15:16:02] [INFO ] Time to serialize properties into /tmp/CTLCardinality5102793863601467828.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality15820324145101344672.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality5102793863601467828.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.020966,3732,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AX(EF(AG((Eat_8==1))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !(E(TRUE U !((Eat_8==1)))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.063692,4576,1,0,8,7194,15,2,1264,1985,6
FORMULA Philosophers-PT-000010-CTLCardinality-2024-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 42 transition count 42
Applied a total of 16 rules in 7 ms. Remains 42 /50 variables (removed 8) and now considering 42/50 (removed 8) transitions.
// Phase 1: matrix 42 rows 42 cols
[2024-05-28 15:16:02] [INFO ] Computed 20 invariants in 1 ms
[2024-05-28 15:16:02] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-28 15:16:02] [INFO ] Invariant cache hit.
[2024-05-28 15:16:02] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-05-28 15:16:02] [INFO ] Redundant transitions in 1 ms returned []
Running 22 sub problems to find dead transitions.
[2024-05-28 15:16:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 10/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 10/42 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 42/84 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/84 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 104 constraints, problems are : Problem set: 0 solved, 22 unsolved in 573 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 10/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 10/42 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 42/84 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 22/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 0/84 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 126 constraints, problems are : Problem set: 0 solved, 22 unsolved in 555 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 1138ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 1140ms
Starting structural reductions in SI_CTL mode, iteration 1 : 42/50 places, 42/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1380 ms. Remains : 42/50 places, 42/50 transitions.
[2024-05-28 15:16:03] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:03] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:03] [INFO ] Input system was already deterministic with 42 transitions.
[2024-05-28 15:16:03] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:04] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:04] [INFO ] Time to serialize gal into /tmp/CTLCardinality4225206981095544183.gal : 1 ms
[2024-05-28 15:16:04] [INFO ] Time to serialize properties into /tmp/CTLCardinality9420510742851679375.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4225206981095544183.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9420510742851679375.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20295,0.022877,3680,2,170,5,692,6,0,213,481,0


Converting to forward existential form...Done !
original formula: EF(((AG((Fork_4!=1)) * (Catch2_8==0)) * ((Catch1_1==0)&&((Catch1_6==0)||(Catch2_6==0)))))
=> equivalent forward existential formula: [(((FwdU(Init,TRUE) * ((Catch1_1==0)&&((Catch1_6==0)||(Catch2_6==0)))) * (Catch2_8==0)) * !(E(TRUE U !((Fork_4!=...171
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.056471,4524,1,0,11,5037,17,5,1010,2107,7
FORMULA Philosophers-PT-000010-CTLCardinality-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2024-05-28 15:16:04] [INFO ] Computed 20 invariants in 2 ms
[2024-05-28 15:16:04] [INFO ] Implicit Places using invariants in 95 ms returned []
[2024-05-28 15:16:04] [INFO ] Invariant cache hit.
[2024-05-28 15:16:04] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:16:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 807 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 759 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1585ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1586ms
Finished structural reductions in LTL mode , in 1 iterations and 1816 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:16:05] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:05] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:05] [INFO ] Input system was already deterministic with 50 transitions.
[2024-05-28 15:16:05] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:05] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:05] [INFO ] Time to serialize gal into /tmp/CTLCardinality16178380863368865248.gal : 2 ms
[2024-05-28 15:16:05] [INFO ] Time to serialize properties into /tmp/CTLCardinality3230957830684272863.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality16178380863368865248.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3230957830684272863.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.02163,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: (EF(((EF(AX((Eat_8==1))) + AG(AF((Think_8==0)))) * AG(((Fork_8==0)&&(Catch1_5==1))))) + EG((AF((Catch2_4==0)) + ((AX(((Fork_1==0)&&(Eat_1...237
=> equivalent forward existential formula: ([((FwdU(Init,TRUE) * (E(TRUE U !(EX(!((Eat_8==1))))) + !(E(TRUE U !(!(EG(!((Think_8==0))))))))) * !(E(TRUE U !(...373
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.091744,5372,1,0,12,9496,27,6,1276,4287,15
FORMULA Philosophers-PT-000010-CTLCardinality-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 42 transition count 42
Applied a total of 16 rules in 9 ms. Remains 42 /50 variables (removed 8) and now considering 42/50 (removed 8) transitions.
// Phase 1: matrix 42 rows 42 cols
[2024-05-28 15:16:06] [INFO ] Computed 20 invariants in 2 ms
[2024-05-28 15:16:06] [INFO ] Implicit Places using invariants in 116 ms returned []
[2024-05-28 15:16:06] [INFO ] Invariant cache hit.
[2024-05-28 15:16:06] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-05-28 15:16:06] [INFO ] Redundant transitions in 1 ms returned []
Running 22 sub problems to find dead transitions.
[2024-05-28 15:16:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 10/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 10/42 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 42/84 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/84 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 104 constraints, problems are : Problem set: 0 solved, 22 unsolved in 576 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 10/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 10/42 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 42/84 variables, 42/104 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 22/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 0/84 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 126 constraints, problems are : Problem set: 0 solved, 22 unsolved in 528 ms.
Refiners :[Domain max(s): 42/42 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 1120ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 1122ms
Starting structural reductions in SI_CTL mode, iteration 1 : 42/50 places, 42/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1396 ms. Remains : 42/50 places, 42/50 transitions.
[2024-05-28 15:16:07] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:07] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:07] [INFO ] Input system was already deterministic with 42 transitions.
[2024-05-28 15:16:07] [INFO ] Flatten gal took : 4 ms
[2024-05-28 15:16:07] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:07] [INFO ] Time to serialize gal into /tmp/CTLCardinality2911288082683328408.gal : 2 ms
[2024-05-28 15:16:07] [INFO ] Time to serialize properties into /tmp/CTLCardinality17661537269657734260.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality2911288082683328408.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality17661537269657734260.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20295,0.016764,3676,2,170,5,694,6,0,213,479,0


Converting to forward existential form...Done !
original formula: EF(EG(AG((Fork_8==1))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(E(TRUE U !((Fork_8==1)))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.045937,4256,1,0,8,4490,21,2,1086,1488,7
FORMULA Philosophers-PT-000010-CTLCardinality-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2024-05-28 15:16:07] [INFO ] Computed 20 invariants in 1 ms
[2024-05-28 15:16:07] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-28 15:16:07] [INFO ] Invariant cache hit.
[2024-05-28 15:16:07] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2024-05-28 15:16:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 120 constraints, problems are : Problem set: 0 solved, 30 unsolved in 820 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 10/50 variables, 10/60 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 50/100 variables, 50/120 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 30/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 150 constraints, problems are : Problem set: 0 solved, 30 unsolved in 773 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints]
After SMT, in 1604ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1605ms
Finished structural reductions in LTL mode , in 1 iterations and 1807 ms. Remains : 50/50 places, 50/50 transitions.
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:09] [INFO ] Input system was already deterministic with 50 transitions.
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 5 ms
[2024-05-28 15:16:09] [INFO ] Time to serialize gal into /tmp/CTLCardinality742305592563068384.gal : 2 ms
[2024-05-28 15:16:09] [INFO ] Time to serialize properties into /tmp/CTLCardinality2195211783806516753.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality742305592563068384.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality2195211783806516753.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.02007,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AG((AF(((Catch2_5==0)||(Fork_7==1))) * (((AX(((Catch2_1==0) + AF(((Think_9==0)||(Fork_1==1))))) + AF(((Think_1==1)&&((Eat_10==0)||(Fork_8...250
=> equivalent forward existential formula: ([FwdG(FwdU(Init,TRUE),!(((Catch2_5==0)||(Fork_7==1))))] = FALSE * [FwdG((((FwdU(Init,TRUE) * !(((Catch2_9==0)||...354
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 41/0/9
Hit Full ! (commute/partial/dont) 42/8/8
(forward)formula 0,0,0.17778,7484,1,0,27,21848,47,16,1391,17198,20
FORMULA Philosophers-PT-000010-CTLCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 6 ms
[2024-05-28 15:16:09] [INFO ] Flatten gal took : 5 ms
Total runtime 23380 ms.

BK_STOP 1716909369653

--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -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="Philosophers-PT-000010"
export BK_EXAMINATION="CTLCardinality"
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 2-5568"
echo " Executing tool itstools"
echo " Input is Philosophers-PT-000010, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r268-smll-171654407700489"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000010.tgz
mv Philosophers-PT-000010 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;