About the Execution of ITS-Tools for Diffusion2D-PT-D10N010
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 761337.00 | 0.00 | 0.00 | TTTFFTTFFFTTFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064200442.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 Diffusion2D-PT-D10N010, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064200442
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 756K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K 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 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K 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 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 255K 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 Diffusion2D-PT-D10N010-CTLFireability-2023-12
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2023-13
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2023-14
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2023-15
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-00
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-01
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-02
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-03
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-04
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-05
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-06
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-07
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-08
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-09
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-10
FORMULA_NAME Diffusion2D-PT-D10N010-CTLFireability-2025-11
=== Now, execution of the tool begins
BK_START 1748794131605
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D10N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202505121319
[2025-06-01 16:08:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 16:08:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 16:08:54] [INFO ] Load time of PNML (sax parser for PT used): 240 ms
[2025-06-01 16:08:54] [INFO ] Transformed 100 places.
[2025-06-01 16:08:54] [INFO ] Transformed 684 transitions.
[2025-06-01 16:08:54] [INFO ] Parsed PT model containing 100 places and 684 transitions and 1368 arcs in 483 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 27 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2023-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 66 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 30 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
// Phase 1: matrix 684 rows 100 cols
[2025-06-01 16:08:55] [INFO ] Computed 1 invariants in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:08:55] [INFO ] Implicit Places using invariants in 400 ms returned []
[2025-06-01 16:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:08:55] [INFO ] Implicit Places using invariants and state equation in 552 ms returned []
Implicit Place search using SMT with State Equation took 1028 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:08:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30134 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60714ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60752ms
Finished structural reductions in LTL mode , in 1 iterations and 61889 ms. Remains : 100/100 places, 684/684 transitions.
Support contains 66 out of 100 places after structural reductions.
[2025-06-01 16:09:57] [INFO ] Flatten gal took : 136 ms
[2025-06-01 16:09:57] [INFO ] Flatten gal took : 66 ms
[2025-06-01 16:09:57] [INFO ] Input system was already deterministic with 684 transitions.
RANDOM walk for 40014 steps (8 resets) in 917 ms. (43 steps per ms) remains 3/67 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 1/2 properties
[2025-06-01 16:09:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 98/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/784 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 98/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/784 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/784 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 784/784 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 352 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 774ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 301 steps, including 0 resets, run visited all 1 properties in 7 ms. (steps per millisecond=43 )
Parikh walk visited 1 properties in 18 ms.
[2025-06-01 16:09:58] [INFO ] Flatten gal took : 44 ms
[2025-06-01 16:09:58] [INFO ] Flatten gal took : 42 ms
[2025-06-01 16:09:59] [INFO ] Input system was already deterministic with 684 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 554 edges and 100 vertex of which 91 / 100 are part of one of the 1 SCC in 4 ms
Free SCC test removed 90 places
Ensure Unique test removed 663 transitions
Reduce isomorphic transitions removed 663 transitions.
Applied a total of 1 rules in 27 ms. Remains 10 /100 variables (removed 90) and now considering 21/684 (removed 663) transitions.
// Phase 1: matrix 21 rows 10 cols
[2025-06-01 16:09:59] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:09:59] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-01 16:09:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:09:59] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 16:09:59] [INFO ] Redundant transitions in 1 ms returned []
Running 11 sub problems to find dead transitions.
[2025-06-01 16:09:59] [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, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 20/30 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/31 variables, and 11 constraints, problems are : Problem set: 0 solved, 11 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 20/30 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/31 variables, and 22 constraints, problems are : Problem set: 0 solved, 11 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 478ms
Starting structural reductions in SI_CTL mode, iteration 1 : 10/100 places, 21/684 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 587 ms. Remains : 10/100 places, 21/684 transitions.
[2025-06-01 16:09:59] [INFO ] Flatten gal took : 4 ms
[2025-06-01 16:09:59] [INFO ] Flatten gal took : 2 ms
[2025-06-01 16:09:59] [INFO ] Input system was already deterministic with 21 transitions.
[2025-06-01 16:09:59] [INFO ] Flatten gal took : 3 ms
[2025-06-01 16:09:59] [INFO ] Flatten gal took : 2 ms
[2025-06-01 16:09:59] [INFO ] Time to serialize gal into /tmp/CTLFireability7229620680870869668.gal : 2 ms
[2025-06-01 16:09:59] [INFO ] Time to serialize properties into /tmp/CTLFireability9527473430636069784.ctl : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7229620680870869668.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9527473430636069784.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,92378,0.036832,3972,2,101,5,1804,6,0,63,1562,0
Converting to forward existential form...Done !
original formula: (AF((cAMP__1_4_>=1)) + EF(((AG(!(E((cAMP__7_8_>=1) U (cAMP__5_8_>=1)))) * (AF((cAMP__2_9_<1)) + (((cAMP__5_4_>=1)&&(cAMP__2_6_<1))&&(cAMP...212
=> equivalent forward existential formula: [FwdG((Init * !(E(TRUE U ((!(E(TRUE U !(!(E((cAMP__7_8_>=1) U (cAMP__5_8_>=1)))))) * (!(EG(!((cAMP__2_9_<1)))) +...290
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 19/0/2
Hit Full ! (commute/partial/dont) 19/0/2
(forward)formula 0,0,0.08602,4868,1,0,15,5199,43,5,376,4745,21
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 16 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
// Phase 1: matrix 684 rows 100 cols
[2025-06-01 16:09:59] [INFO ] Computed 1 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:09:59] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-01 16:09:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:10:00] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:10:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60374ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60379ms
Finished structural reductions in LTL mode , in 1 iterations and 60776 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:11:00] [INFO ] Flatten gal took : 41 ms
[2025-06-01 16:11:00] [INFO ] Flatten gal took : 38 ms
[2025-06-01 16:11:00] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:11:00] [INFO ] Flatten gal took : 35 ms
[2025-06-01 16:11:00] [INFO ] Flatten gal took : 34 ms
[2025-06-01 16:11:00] [INFO ] Time to serialize gal into /tmp/CTLFireability10629539383745374760.gal : 25 ms
[2025-06-01 16:11:00] [INFO ] Time to serialize properties into /tmp/CTLFireability3120293986569110986.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10629539383745374760.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3120293986569110986.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.508998,12152,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: AG(A(AF(AX(((cAMP__7_8_>=1)||(cAMP__3_2_>=1)))) U EF((!(((cAMP__7_1_>=1)&&(cAMP__9_4_>=1))) * EX((cAMP__7_9_>=1))))))
=> equivalent forward existential formula: ([((FwdU(FwdU(Init,TRUE),!(E(TRUE U (!(((cAMP__7_1_>=1)&&(cAMP__9_4_>=1))) * EX((cAMP__7_9_>=1)))))) * !(!(EG(!(...401
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.45777,25976,1,0,9,118587,22,1,4952,65552,9
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 604 edges and 100 vertex of which 94 / 100 are part of one of the 1 SCC in 1 ms
Free SCC test removed 93 places
Ensure Unique test removed 671 transitions
Reduce isomorphic transitions removed 671 transitions.
Applied a total of 1 rules in 4 ms. Remains 7 /100 variables (removed 93) and now considering 13/684 (removed 671) transitions.
// Phase 1: matrix 13 rows 7 cols
[2025-06-01 16:11:02] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:02] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-01 16:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:02] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 16:11:02] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-01 16:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/19 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/20 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/19 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/19 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 252ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 254ms
Starting structural reductions in SI_CTL mode, iteration 1 : 7/100 places, 13/684 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 323 ms. Remains : 7/100 places, 13/684 transitions.
[2025-06-01 16:11:02] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:11:02] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:11:02] [INFO ] Input system was already deterministic with 13 transitions.
[2025-06-01 16:11:02] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:11:02] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:11:02] [INFO ] Time to serialize gal into /tmp/CTLFireability1442691250876946966.gal : 0 ms
[2025-06-01 16:11:02] [INFO ] Time to serialize properties into /tmp/CTLFireability9622866018449986690.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1442691250876946966.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9622866018449986690.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,8008,0.011654,3788,2,68,5,1099,6,0,43,953,0
Converting to forward existential form...Done !
original formula: E(A(AF(E(((cAMP__5_9_>=1)||(cAMP__2_7_>=1)) U ((cAMP__6_3_>=1)&&(cAMP__1_1_>=1)))) U (cAMP__9_9_<1)) U EG(EF((cAMP__4_1_>=1))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,!((E(!((cAMP__9_9_<1)) U (!(!(EG(!(E(((cAMP__5_9_>=1)||(cAMP__2_7_>=1)) U ((cAMP__6_3_>=1)&&(cAM...258
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 9/0/4
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 11/0/2
(forward)formula 0,1,0.073558,5068,1,0,33,6000,44,26,272,6251,54
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 658 edges and 100 vertex of which 98 / 100 are part of one of the 1 SCC in 2 ms
Free SCC test removed 97 places
Ensure Unique test removed 679 transitions
Reduce isomorphic transitions removed 679 transitions.
Applied a total of 1 rules in 6 ms. Remains 3 /100 variables (removed 97) and now considering 5/684 (removed 679) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-01 16:11:02] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:02] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-01 16:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:02] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 16:11:02] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-01 16:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 129ms
Starting structural reductions in SI_CTL mode, iteration 1 : 3/100 places, 5/684 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 201 ms. Remains : 3/100 places, 5/684 transitions.
[2025-06-01 16:11:03] [INFO ] Flatten gal took : 2 ms
[2025-06-01 16:11:03] [INFO ] Flatten gal took : 0 ms
[2025-06-01 16:11:03] [INFO ] Input system was already deterministic with 5 transitions.
[2025-06-01 16:11:03] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:11:03] [INFO ] Flatten gal took : 0 ms
[2025-06-01 16:11:03] [INFO ] Time to serialize gal into /tmp/CTLFireability8194042201096906037.gal : 0 ms
[2025-06-01 16:11:03] [INFO ] Time to serialize properties into /tmp/CTLFireability3567978465918605820.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8194042201096906037.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3567978465918605820.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,66,0.005276,3660,2,24,5,240,6,0,19,199,0
Converting to forward existential form...Done !
original formula: !(E(EF((cAMP__4_1_>=1)) U (cAMP__3_8_>=1)))
=> equivalent forward existential formula: [(FwdU(Init,E(TRUE U (cAMP__4_1_>=1))) * (cAMP__3_8_>=1))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.01007,3916,1,0,8,366,16,1,99,333,8
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 17 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
// Phase 1: matrix 684 rows 100 cols
[2025-06-01 16:11:03] [INFO ] Computed 1 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:03] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-01 16:11:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:11:03] [INFO ] Implicit Places using invariants and state equation in 296 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:11:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60209ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60211ms
Finished structural reductions in LTL mode , in 1 iterations and 60587 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:12:03] [INFO ] Flatten gal took : 31 ms
[2025-06-01 16:12:03] [INFO ] Flatten gal took : 29 ms
[2025-06-01 16:12:03] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:12:03] [INFO ] Flatten gal took : 28 ms
[2025-06-01 16:12:03] [INFO ] Flatten gal took : 28 ms
[2025-06-01 16:12:03] [INFO ] Time to serialize gal into /tmp/CTLFireability17779635430210213020.gal : 8 ms
[2025-06-01 16:12:03] [INFO ] Time to serialize properties into /tmp/CTLFireability15250652341292671426.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17779635430210213020.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15250652341292671426.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.637083,12148,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: AG((EX((cAMP__4_8_<1)) + ((cAMP__3_2_>=1) * ((cAMP__10_9_<1) + EG((cAMP__9_7_<1))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * !(((cAMP__3_2_>=1) * ((cAMP__10_9_<1) + EG((cAMP__9_7_<1)))))) * !(EX((cAMP__4_8_<1))))] = ...160
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,1.72439,27612,1,0,15,141219,21,6,4757,90508,10
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 13 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:12:05] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-01 16:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:12:05] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60152ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60154ms
Finished structural reductions in LTL mode , in 1 iterations and 60458 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:13:06] [INFO ] Flatten gal took : 25 ms
[2025-06-01 16:13:06] [INFO ] Flatten gal took : 24 ms
[2025-06-01 16:13:06] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:13:06] [INFO ] Flatten gal took : 24 ms
[2025-06-01 16:13:06] [INFO ] Flatten gal took : 22 ms
[2025-06-01 16:13:06] [INFO ] Time to serialize gal into /tmp/CTLFireability11489551393942389787.gal : 9 ms
[2025-06-01 16:13:06] [INFO ] Time to serialize properties into /tmp/CTLFireability12196368945524469032.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11489551393942389787.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12196368945524469032.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.644486,12148,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: AG((EG(((EX((cAMP__4_10_<1)) + (cAMP__8_2_>=1)) + (!(E((cAMP__4_6_>=1) U (cAMP__3_8_>=1))) + AG((cAMP__9_10_<1))))) * ((cAMP__7_3_<1) + (...357
=> equivalent forward existential formula: ([(FwdU(Init,TRUE) * !(EG(((EX((cAMP__4_10_<1)) + (cAMP__8_2_>=1)) + (!(E((cAMP__4_6_>=1) U (cAMP__3_8_>=1))) + ...687
(forward)formula 0,0,0.661721,12276,1,0,11,48363,11,4,1111,44994,2
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 8 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:13:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:13:07] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-01 16:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:13:07] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60188ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60191ms
Finished structural reductions in LTL mode , in 1 iterations and 60552 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:14:07] [INFO ] Flatten gal took : 22 ms
[2025-06-01 16:14:07] [INFO ] Flatten gal took : 22 ms
[2025-06-01 16:14:07] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:14:07] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:14:07] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:14:07] [INFO ] Time to serialize gal into /tmp/CTLFireability3443680184024815825.gal : 7 ms
[2025-06-01 16:14:07] [INFO ] Time to serialize properties into /tmp/CTLFireability1152566781726639061.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3443680184024815825.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1152566781726639061.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.595416,12152,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: (AG(EX(E(EX((cAMP__8_4_>=1)) U (cAMP__7_4_<1)))) + AX(AG(AX(E((cAMP__7_8_>=1) U (cAMP__6_2_>=1))))))
=> equivalent forward existential formula: [(EY(FwdU(EY((Init * !(!(E(TRUE U !(EX(E(EX((cAMP__8_4_>=1)) U (cAMP__7_4_<1))))))))),TRUE)) * !(E((cAMP__7_8_>=...187
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 668/0/16
(forward)formula 0,1,3.90015,63548,1,0,30,346875,25,22,4865,296103,31
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 7 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:14:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:14:11] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-01 16:14:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:14:11] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:14:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60195ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in LTL mode , in 1 iterations and 60522 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:15:12] [INFO ] Flatten gal took : 22 ms
[2025-06-01 16:15:12] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:15:12] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:15:12] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:15:12] [INFO ] Flatten gal took : 20 ms
[2025-06-01 16:15:12] [INFO ] Time to serialize gal into /tmp/CTLFireability4310782008766783750.gal : 6 ms
[2025-06-01 16:15:12] [INFO ] Time to serialize properties into /tmp/CTLFireability8322257581012314211.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4310782008766783750.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8322257581012314211.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.68567,12152,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: AX(EF(((cAMP__5_3_>=1) * ((cAMP__4_8_>=1) + ((cAMP__5_4_>=1) * EF((cAMP__9_3_>=1)))))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U ((cAMP__5_3_>=1) * ((cAMP__4_8_>=1) + ((cAMP__5_4_>=1) * E(TRUE U (cAMP__9_3_>=1))))))))...164
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.85806,25848,1,0,11,125122,17,3,4849,72480,10
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:15:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:15:14] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-01 16:15:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:15:14] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 287 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:15:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60195ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in LTL mode , in 1 iterations and 60492 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:16:14] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:16:14] [INFO ] Flatten gal took : 42 ms
[2025-06-01 16:16:14] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:16:14] [INFO ] Flatten gal took : 36 ms
[2025-06-01 16:16:14] [INFO ] Flatten gal took : 52 ms
[2025-06-01 16:16:14] [INFO ] Time to serialize gal into /tmp/CTLFireability15961917408245959036.gal : 5 ms
[2025-06-01 16:16:14] [INFO ] Time to serialize properties into /tmp/CTLFireability16379406670083176325.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15961917408245959036.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16379406670083176325.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.531589,12144,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: !(E((cAMP__1_6_>=1) U (EF((((cAMP__4_2_>=1) + EX((cAMP__3_9_>=1))) * EG((cAMP__4_6_>=1)))) * !(((cAMP__6_10_>=1) * EG(AF((cAMP__10_9_>=1)...162
=> equivalent forward existential formula: ([((FwdU(Init,(cAMP__1_6_>=1)) * E(TRUE U (((cAMP__4_2_>=1) + EX((cAMP__3_9_>=1))) * EG((cAMP__4_6_>=1))))) * !(...338
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 674/0/10
(forward)formula 0,0,1.81095,33424,1,0,15,168442,44,6,5161,115790,17
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:16:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:16:16] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-01 16:16:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:16:16] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:16:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 0)
(s51 0)
(s52 0)
(s53 0)
(s54 0)
(s55 0)
(s56 0)
(s57 0)
(s58 0)
(s59 0)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 0)
(s66 0)
(s67 0)
(s68 0)
(s69 0)
(s70 0)
(s71 0)
(s72 0)
(s73 0)
(s74 0)
(s75 0)
(s76 0)
(s77 0)
(s78 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60139ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60142ms
Finished structural reductions in LTL mode , in 1 iterations and 60397 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:17:17] [INFO ] Flatten gal took : 27 ms
[2025-06-01 16:17:17] [INFO ] Flatten gal took : 16 ms
[2025-06-01 16:17:17] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:17:17] [INFO ] Flatten gal took : 16 ms
[2025-06-01 16:17:17] [INFO ] Flatten gal took : 17 ms
[2025-06-01 16:17:17] [INFO ] Time to serialize gal into /tmp/CTLFireability17524379078050425848.gal : 5 ms
[2025-06-01 16:17:17] [INFO ] Time to serialize properties into /tmp/CTLFireability5178418495808710565.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17524379078050425848.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5178418495808710565.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.559192,12148,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: E(A(!(((AG((cAMP__10_3_>=1)) * (cAMP__5_4_<1)) * EX((cAMP__9_6_>=1)))) U !(EX((cAMP__3_8_>=1)))) U ((AG(((AX((cAMP__3_5_>=1)) * ((cAMP__1...428
=> equivalent forward existential formula: (([(EY((FwdU(Init,!((E(!(!(EX((cAMP__3_8_>=1)))) U (!(!(((!(E(TRUE U !((cAMP__10_3_>=1)))) * (cAMP__5_4_<1)) * E...1877
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 668/0/16
(forward)formula 0,0,3.58325,66064,1,0,50,361051,48,26,4995,300427,45
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:17:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:17:20] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-01 16:17:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:17:21] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:17:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60158ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60160ms
Finished structural reductions in LTL mode , in 1 iterations and 60396 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:18:21] [INFO ] Flatten gal took : 21 ms
[2025-06-01 16:18:21] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:18:21] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:18:21] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:18:21] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:18:21] [INFO ] Time to serialize gal into /tmp/CTLFireability8406227733461948157.gal : 4 ms
[2025-06-01 16:18:21] [INFO ] Time to serialize properties into /tmp/CTLFireability13281354911169431002.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8406227733461948157.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13281354911169431002.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.639772,12144,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: EF(((AG(AX((cAMP__2_1_>=1))) * EX(((cAMP__6_6_>=1)&&(cAMP__7_5_>=1)))) * (A(!(((EG((cAMP__3_1_>=1)) * (cAMP__8_7_>=1)) * (cAMP__7_1_>=1))...293
=> equivalent forward existential formula: ([(FwdU(((FwdU(Init,TRUE) * (!(E(TRUE U !(!(EX(!((cAMP__2_1_>=1))))))) * EX(((cAMP__6_6_>=1)&&(cAMP__7_5_>=1))))...1183
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,2.77873,45588,1,0,19,239913,31,4,4956,181716,23
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:18:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:18:24] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-01 16:18:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:18:24] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 275 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:18:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60183ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Finished structural reductions in LTL mode , in 1 iterations and 60466 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:19:24] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:19:24] [INFO ] Flatten gal took : 16 ms
[2025-06-01 16:19:24] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:19:24] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:19:24] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:19:24] [INFO ] Time to serialize gal into /tmp/CTLFireability1504233343743926584.gal : 4 ms
[2025-06-01 16:19:24] [INFO ] Time to serialize properties into /tmp/CTLFireability13300612849030772951.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1504233343743926584.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13300612849030772951.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.555453,12152,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: EF(EX(AG(((cAMP__2_8_>=1)&&(cAMP__8_10_>=1)))))
=> equivalent forward existential formula: [(EY(FwdU(Init,TRUE)) * !(E(TRUE U !(((cAMP__2_8_>=1)&&(cAMP__8_10_>=1))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,1.40047,21496,1,0,6,103487,15,0,4853,55622,5
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Graph (trivial) has 652 edges and 100 vertex of which 98 / 100 are part of one of the 1 SCC in 2 ms
Free SCC test removed 97 places
Ensure Unique test removed 679 transitions
Reduce isomorphic transitions removed 679 transitions.
Applied a total of 1 rules in 5 ms. Remains 3 /100 variables (removed 97) and now considering 5/684 (removed 679) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-01 16:19:26] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:19:26] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-01 16:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:19:26] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 16:19:26] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-01 16:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 103ms
Starting structural reductions in SI_CTL mode, iteration 1 : 3/100 places, 5/684 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 155 ms. Remains : 3/100 places, 5/684 transitions.
[2025-06-01 16:19:26] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:19:26] [INFO ] Flatten gal took : 0 ms
[2025-06-01 16:19:26] [INFO ] Input system was already deterministic with 5 transitions.
[2025-06-01 16:19:26] [INFO ] Flatten gal took : 1 ms
[2025-06-01 16:19:26] [INFO ] Flatten gal took : 0 ms
[2025-06-01 16:19:26] [INFO ] Time to serialize gal into /tmp/CTLFireability9434295094631670059.gal : 1 ms
[2025-06-01 16:19:26] [INFO ] Time to serialize properties into /tmp/CTLFireability907440172335754419.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9434295094631670059.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability907440172335754419.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,66,0.003366,3660,2,24,5,240,6,0,19,199,0
Converting to forward existential form...Done !
original formula: AG(EF(!(A((cAMP__7_5_>=1) U (cAMP__9_7_>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(!((E(!((cAMP__9_7_>=1)) U (!((cAMP__7_5_>=1)) * !((cAMP__9_7_>=1)))) + EG(!((cA...184
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 3/0/2
(forward)formula 0,1,0.0076,4044,1,0,6,389,28,0,113,314,11
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2023-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 3 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
// Phase 1: matrix 684 rows 100 cols
[2025-06-01 16:19:26] [INFO ] Computed 1 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:19:26] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-01 16:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:19:26] [INFO ] Implicit Places using invariants and state equation in 217 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60173ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60174ms
Finished structural reductions in LTL mode , in 1 iterations and 60459 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:20:26] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:20:26] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:20:26] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:20:26] [INFO ] Flatten gal took : 14 ms
[2025-06-01 16:20:26] [INFO ] Flatten gal took : 13 ms
[2025-06-01 16:20:26] [INFO ] Time to serialize gal into /tmp/CTLFireability14965677947521629547.gal : 4 ms
[2025-06-01 16:20:26] [INFO ] Time to serialize properties into /tmp/CTLFireability8162974687090100069.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14965677947521629547.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8162974687090100069.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.660766,12148,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: E((cAMP__7_8_<1) U AF(AX(AF((cAMP__2_8_>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,(cAMP__7_8_<1)) * !(EG(!(!(EX(!(!(EG(!((cAMP__2_8_>=1)))))))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 668/0/16
(forward)formula 0,1,1.90267,29724,1,0,12,150671,31,2,5162,96011,11
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2023-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 684/684 transitions.
Applied a total of 0 rules in 2 ms. Remains 100 /100 variables (removed 0) and now considering 684/684 (removed 0) transitions.
[2025-06-01 16:20:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:20:28] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-01 16:20:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 16:20:29] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
Running 676 sub problems to find dead transitions.
[2025-06-01 16:20:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 784/784 variables, and 101 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 676 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 3 (OVERLAPS) 684/784 variables, 100/101 constraints. Problems are: Problem set: 0 solved, 676 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/784 variables, 676/777 constraints. Problems are: Problem set: 0 solved, 676 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 784/784 variables, and 777 constraints, problems are : Problem set: 0 solved, 676 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 100/100 constraints, PredecessorRefiner: 676/676 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60185ms problems are : Problem set: 0 solved, 676 unsolved
Search for dead transitions found 0 dead transitions in 60186ms
Finished structural reductions in LTL mode , in 1 iterations and 60505 ms. Remains : 100/100 places, 684/684 transitions.
[2025-06-01 16:21:29] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:21:29] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:21:29] [INFO ] Input system was already deterministic with 684 transitions.
[2025-06-01 16:21:29] [INFO ] Flatten gal took : 22 ms
[2025-06-01 16:21:29] [INFO ] Flatten gal took : 15 ms
[2025-06-01 16:21:29] [INFO ] Time to serialize gal into /tmp/CTLFireability3080990156630567421.gal : 4 ms
[2025-06-01 16:21:29] [INFO ] Time to serialize properties into /tmp/CTLFireability3793803592297654475.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3080990156630567421.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3793803592297654475.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/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,4.26342e+13,0.656094,12148,2,1091,5,48363,6,0,1087,44994,0
Converting to forward existential form...Done !
original formula: (AF(!(A(AF((cAMP__7_6_<1)) U (((cAMP__7_9_<1)&&(cAMP__4_7_<1)) * AG((cAMP__7_8_>=1)))))) * ((EG((AX(((cAMP__5_9_<1)&&(cAMP__9_6_<1))) * (...436
=> equivalent forward existential formula: ([FwdG(Init,!(!(!((E(!((((cAMP__7_9_<1)&&(cAMP__4_7_<1)) * !(E(TRUE U !((cAMP__7_8_>=1)))))) U (!(!(EG(!((cAMP__...1364
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 668/0/16
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,3.33986,58804,1,0,35,320165,74,13,5291,279471,34
FORMULA Diffusion2D-PT-D10N010-CTLFireability-2023-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
[2025-06-01 16:21:32] [INFO ] Flatten gal took : 14 ms
[2025-06-01 16:21:32] [INFO ] Flatten gal took : 14 ms
Total runtime 758708 ms.
BK_STOP 1748794892942
--------------------
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
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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="Diffusion2D-PT-D10N010"
export BK_EXAMINATION="CTLFireability"
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 Diffusion2D-PT-D10N010, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r058-smll-174854064200442"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D10N010.tgz
mv Diffusion2D-PT-D10N010 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;