Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r179-tall-171640602000650.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is GlobalResAllocation-COL-07, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640602000650
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.4K Apr 12 08:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 12 08:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 12 08:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 12 08:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 08:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Apr 12 08:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 12 08:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Apr 12 08:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 28K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1716485558063

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GlobalResAllocation-COL-07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 17:32:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-23 17:32:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 17:32:39] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-23 17:32:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-23 17:32:39] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 531 ms
[2024-05-23 17:32:39] [INFO ] Imported 5 HL places and 7 HL transitions for a total of 133 PT places and 291067.0 transition bindings in 13 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 19 ms.
[2024-05-23 17:32:39] [INFO ] Built PT skeleton of HLPN with 5 places and 7 transitions 29 arcs in 4 ms.
[2024-05-23 17:32:39] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 1 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 28 steps (0 resets) in 5 ms. (4 steps per ms) remains 0/1 properties
[2024-05-23 17:32:40] [INFO ] Flatten gal took : 12 ms
[2024-05-23 17:32:40] [INFO ] Flatten gal took : 2 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Res
Symmetric sort wr.t. initial detected :Res
Symmetric sort wr.t. initial and guards detected :Res
Applying symmetric unfolding of full symmetric sort :Res domain size was 14
Transition release1 forces synchronizations/join behavior on parameter p of sort Proc
[2024-05-23 17:32:40] [INFO ] Unfolded HLPN to a Petri net with 29 places and 49 transitions 203 arcs in 16 ms.
[2024-05-23 17:32:40] [INFO ] Unfolded 16 HLPN properties in 1 ms.
Initial state reduction rules removed 4 formulas.
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 49/49 transitions.
Reduce isomorphic (modulo) transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 29 transition count 42
Applied a total of 14 rules in 9 ms. Remains 29 /29 variables (removed 0) and now considering 42/49 (removed 7) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 29 cols
[2024-05-23 17:32:40] [INFO ] Computed 15 invariants in 7 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 220 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 585ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 596ms
[2024-05-23 17:32:40] [INFO ] Invariant cache hit.
[2024-05-23 17:32:40] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-23 17:32:40] [INFO ] Invariant cache hit.
[2024-05-23 17:32:40] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 328ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 328ms
Starting structural reductions in LTL mode, iteration 1 : 29/29 places, 42/49 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1033 ms. Remains : 29/29 places, 42/49 transitions.
Support contains 29 out of 29 places after structural reductions.
[2024-05-23 17:32:41] [INFO ] Flatten gal took : 13 ms
[2024-05-23 17:32:41] [INFO ] Flatten gal took : 14 ms
[2024-05-23 17:32:41] [INFO ] Input system was already deterministic with 42 transitions.
Reduction of identical properties reduced properties to check from 22 to 18
RANDOM walk for 40003 steps (8 resets) in 1590 ms. (25 steps per ms) remains 1/18 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1493 ms. (26 steps per ms) remains 1/1 properties
[2024-05-23 17:32:42] [INFO ] Invariant cache hit.
Problem AtomicPropp13 is UNSAT
After SMT solving in domain Real declared 8/71 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 0/8 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/29 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 45ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 6 ms
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 10 ms
[2024-05-23 17:32:42] [INFO ] Input system was already deterministic with 42 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Ensure Unique test removed 7 places
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 42
Applied a total of 7 rules in 3 ms. Remains 22 /29 variables (removed 7) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 22 cols
[2024-05-23 17:32:42] [INFO ] Computed 8 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 30 constraints, problems are : Problem set: 0 solved, 14 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 265ms
Finished structural reductions in LTL mode , in 1 iterations and 269 ms. Remains : 22/29 places, 42/42 transitions.
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 5 ms
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 6 ms
[2024-05-23 17:32:42] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 29 cols
[2024-05-23 17:32:42] [INFO ] Computed 15 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 306ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 306ms
Finished structural reductions in LTL mode , in 1 iterations and 307 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 6 ms
[2024-05-23 17:32:42] [INFO ] Flatten gal took : 4 ms
[2024-05-23 17:32:42] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Ensure Unique test removed 7 places
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 42
Applied a total of 7 rules in 1 ms. Remains 22 /29 variables (removed 7) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 22 cols
[2024-05-23 17:32:42] [INFO ] Computed 8 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 30 constraints, problems are : Problem set: 0 solved, 14 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 251ms
Finished structural reductions in LTL mode , in 1 iterations and 253 ms. Remains : 22/29 places, 42/42 transitions.
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 7 ms
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:43] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Ensure Unique test removed 7 places
Applied a total of 0 rules in 6 ms. Remains 22 /29 variables (removed 7) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 30 constraints, problems are : Problem set: 0 solved, 14 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 246ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 247ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 254 ms. Remains : 22/29 places, 42/42 transitions.
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:43] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Ensure Unique test removed 7 places
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 42
Applied a total of 7 rules in 1 ms. Remains 22 /29 variables (removed 7) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 30 constraints, problems are : Problem set: 0 solved, 14 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 249ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 249ms
Finished structural reductions in LTL mode , in 1 iterations and 251 ms. Remains : 22/29 places, 42/42 transitions.
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:43] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:43] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 29 cols
[2024-05-23 17:32:43] [INFO ] Computed 15 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 314ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 315ms
Finished structural reductions in LTL mode , in 1 iterations and 316 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 4 ms
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:44] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 316ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 316ms
Finished structural reductions in LTL mode , in 1 iterations and 317 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 5 ms
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:44] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 328ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 329ms
Finished structural reductions in LTL mode , in 1 iterations and 330 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:44] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:44] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 318ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 318ms
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:45] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Ensure Unique test removed 7 places
Applied a total of 0 rules in 2 ms. Remains 22 /29 variables (removed 7) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 22 cols
[2024-05-23 17:32:45] [INFO ] Computed 8 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/64 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 30 constraints, problems are : Problem set: 0 solved, 14 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8/22 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 240ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 241ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 243 ms. Remains : 22/29 places, 42/42 transitions.
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:45] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 29 cols
[2024-05-23 17:32:45] [INFO ] Computed 15 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 315ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 315ms
Finished structural reductions in LTL mode , in 1 iterations and 316 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 5 ms
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 3 ms
[2024-05-23 17:32:45] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29/29 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 29 /29 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 14 sub problems to find dead transitions.
[2024-05-23 17:32:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 8/29 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 42/71 variables, 29/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 58 constraints, problems are : Problem set: 0 solved, 14 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 301ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 302ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 304 ms. Remains : 29/29 places, 42/42 transitions.
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 2 ms
[2024-05-23 17:32:45] [INFO ] Input system was already deterministic with 42 transitions.
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 5 ms
[2024-05-23 17:32:45] [INFO ] Flatten gal took : 10 ms
[2024-05-23 17:32:46] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/CTLFireability.sr.xml took 10 ms.
[2024-05-23 17:32:46] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 29 places, 42 transitions and 175 arcs took 4 ms.
Total runtime 6922 ms.
There are residual formulas that ITS could not solve within timeout
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GreatSPN-meddly tool, MCC 2023
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Running GlobalResAllocation-COL-07

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/411/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 29
TRANSITIONS: 42
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/411/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 633
MODEL NAME: /home/mcc/execution/411/model
29 places, 42 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-04 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA GlobalResAllocation-COL-07-CTLFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716485567328

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML

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="GlobalResAllocation-COL-07"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is GlobalResAllocation-COL-07, 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 r179-tall-171640602000650"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GlobalResAllocation-COL-07.tgz
mv GlobalResAllocation-COL-07 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;