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.r524-tall-171679080900699.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 ltsminxred
Input is SharedMemory-COL-000005, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r524-tall-171679080900699
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 7.1K Apr 12 15:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Apr 12 15:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Apr 12 15:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 12 15:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 07:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 23 07:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 15:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Apr 12 15:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Apr 12 15:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 12 15:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 07:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 12K May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-00
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-01
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-02
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-03
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-04
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-05
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-06
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-07
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-08
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-09
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-10
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-11
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-12
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-13
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-14
FORMULA_NAME SharedMemory-COL-000005-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717234422165

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SharedMemory-COL-000005
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 09:33:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 09:33:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 09:33:43] [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.
[2024-06-01 09:33:43] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 09:33:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 546 ms
[2024-06-01 09:33:44] [INFO ] Imported 6 HL places and 5 HL transitions for a total of 46 PT places and 85.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 09:33:44] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 16 arcs in 4 ms.
[2024-06-01 09:33:44] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
FORMULA SharedMemory-COL-000005-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 15 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40000 steps (8 resets) in 1590 ms. (25 steps per ms) remains 9/28 properties
BEST_FIRST walk for 40002 steps (8 resets) in 230 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 142 ms. (279 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 109 ms. (363 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 96 ms. (412 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 9/9 properties
// Phase 1: matrix 5 rows 6 cols
[2024-06-01 09:33:45] [INFO ] Computed 3 invariants in 6 ms
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp27 is UNSAT
After SMT solving in domain Real declared 5/11 variables, and 2 constraints, problems are : Problem set: 9 solved, 0 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 constraints, State Equation: 0/6 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 9 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 9 atomic propositions for a total of 15 simplifications.
FORMULA SharedMemory-COL-000005-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000005-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000005-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 09:33:45] [INFO ] Flatten gal took : 13 ms
[2024-06-01 09:33:45] [INFO ] Flatten gal took : 1 ms
Domain [P(5), P(5)] of place Ext_Mem_Acc breaks symmetries in sort P
[2024-06-01 09:33:45] [INFO ] Unfolded HLPN to a Petri net with 46 places and 60 transitions 220 arcs in 10 ms.
[2024-06-01 09:33:45] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 5 transitions.
Support contains 41 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 5 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
// Phase 1: matrix 55 rows 41 cols
[2024-06-01 09:33:45] [INFO ] Computed 11 invariants in 5 ms
[2024-06-01 09:33:45] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-01 09:33:45] [INFO ] Invariant cache hit.
[2024-06-01 09:33:45] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 769 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 592 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 1419ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 1422ms
Finished structural reductions in LTL mode , in 1 iterations and 1692 ms. Remains : 41/41 places, 55/55 transitions.
Support contains 41 out of 41 places after structural reductions.
[2024-06-01 09:33:47] [INFO ] Flatten gal took : 9 ms
[2024-06-01 09:33:47] [INFO ] Flatten gal took : 14 ms
[2024-06-01 09:33:47] [INFO ] Input system was already deterministic with 55 transitions.
RANDOM walk for 40000 steps (8 resets) in 1452 ms. (27 steps per ms) remains 7/25 properties
BEST_FIRST walk for 40003 steps (8 resets) in 114 ms. (347 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 86 ms. (459 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 7/7 properties
[2024-06-01 09:33:48] [INFO ] Invariant cache hit.
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp24 is UNSAT
After SMT solving in domain Real declared 36/96 variables, and 6 constraints, problems are : Problem set: 7 solved, 0 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 6/11 constraints, State Equation: 0/41 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 64ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 7 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(F(p1)))))'
Support contains 10 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 6 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:48] [INFO ] Invariant cache hit.
[2024-06-01 09:33:48] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-01 09:33:48] [INFO ] Invariant cache hit.
[2024-06-01 09:33:48] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2024-06-01 09:33:48] [INFO ] Redundant transitions in 0 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 598 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 572 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 1204ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 1206ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1324 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-00
Product exploration explored 100000 steps with 7094 reset in 303 ms.
Stack based approach found an accepted trace after 1037 steps with 84 reset with depth 46 and stack size 38 in 3 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-00 finished in 1892 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 6 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:50] [INFO ] Invariant cache hit.
[2024-06-01 09:33:50] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 09:33:50] [INFO ] Invariant cache hit.
[2024-06-01 09:33:50] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2024-06-01 09:33:50] [INFO ] Redundant transitions in 0 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 968ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 969ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1080 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-01
Product exploration explored 100000 steps with 12597 reset in 162 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-01 finished in 1340 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||(F(p1) U (!p2 U p3)))))'
Support contains 36 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 0 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:51] [INFO ] Invariant cache hit.
[2024-06-01 09:33:51] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 09:33:51] [INFO ] Invariant cache hit.
[2024-06-01 09:33:51] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 446 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 512 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 981ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 982ms
Finished structural reductions in LTL mode , in 1 iterations and 1064 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (NOT p1), (NOT p3)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-02
Product exploration explored 100000 steps with 12738 reset in 342 ms.
Stack based approach found an accepted trace after 771 steps with 102 reset with depth 12 and stack size 12 in 2 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-02 finished in 1648 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 21 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:53] [INFO ] Invariant cache hit.
[2024-06-01 09:33:53] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 09:33:53] [INFO ] Invariant cache hit.
[2024-06-01 09:33:53] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 509 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 939ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 940ms
Finished structural reductions in LTL mode , in 1 iterations and 1032 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-04 finished in 1136 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0&&X((p1&&G(p2)))))'
Support contains 31 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 0 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:54] [INFO ] Invariant cache hit.
[2024-06-01 09:33:54] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-06-01 09:33:54] [INFO ] Invariant cache hit.
[2024-06-01 09:33:54] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 441 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 472 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 933ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 934ms
Finished structural reductions in LTL mode , in 1 iterations and 1013 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 219 ms :[true, (OR (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 49 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-06 finished in 1244 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 5 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:55] [INFO ] Invariant cache hit.
[2024-06-01 09:33:55] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 09:33:55] [INFO ] Invariant cache hit.
[2024-06-01 09:33:55] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 494 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 926ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 927ms
Finished structural reductions in LTL mode , in 1 iterations and 996 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-07 finished in 1089 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(G(p0)))||(!p0 U (p1||G(!p0))))))'
Support contains 10 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:56] [INFO ] Invariant cache hit.
[2024-06-01 09:33:56] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 09:33:56] [INFO ] Invariant cache hit.
[2024-06-01 09:33:56] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 947ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 948ms
Finished structural reductions in LTL mode , in 1 iterations and 1015 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 275 ms :[true, (NOT p0), (AND p0 (NOT p1)), false, (NOT p0), false, false, false]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-08
Product exploration explored 100000 steps with 50000 reset in 127 ms.
Product exploration explored 100000 steps with 50000 reset in 151 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 20 ms. Reduced automaton from 8 states, 13 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SharedMemory-COL-000005-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SharedMemory-COL-000005-LTLCardinality-08 finished in 1616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 5 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:58] [INFO ] Invariant cache hit.
[2024-06-01 09:33:58] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 09:33:58] [INFO ] Invariant cache hit.
[2024-06-01 09:33:58] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2024-06-01 09:33:58] [INFO ] Redundant transitions in 0 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 423 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 934ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 935ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1014 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-09
Product exploration explored 100000 steps with 0 reset in 180 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 1 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-09 finished in 1240 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 15 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 4 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:33:59] [INFO ] Invariant cache hit.
[2024-06-01 09:33:59] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 09:33:59] [INFO ] Invariant cache hit.
[2024-06-01 09:33:59] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2024-06-01 09:33:59] [INFO ] Redundant transitions in 0 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:33:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 941ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 942ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1015 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 243 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-10 finished in 1315 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:00] [INFO ] Invariant cache hit.
[2024-06-01 09:34:00] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 09:34:00] [INFO ] Invariant cache hit.
[2024-06-01 09:34:00] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 488 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 915ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 915ms
Finished structural reductions in LTL mode , in 1 iterations and 997 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-13
Product exploration explored 100000 steps with 30303 reset in 98 ms.
Product exploration explored 100000 steps with 30272 reset in 101 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 125 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 6 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 146 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 09:34:02] [INFO ] Invariant cache hit.
[2024-06-01 09:34:02] [INFO ] [Real]Absence check using 11 positive place invariants in 1 ms returned sat
[2024-06-01 09:34:02] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-06-01 09:34:02] [INFO ] Computed and/alt/rep : 45/45/45 causal constraints (skipped 0 transitions) in 3 ms.
[2024-06-01 09:34:02] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:02] [INFO ] Invariant cache hit.
[2024-06-01 09:34:02] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 09:34:02] [INFO ] Invariant cache hit.
[2024-06-01 09:34:02] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 503 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 992ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 992ms
Finished structural reductions in LTL mode , in 1 iterations and 1070 ms. Remains : 41/41 places, 55/55 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 117 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 6 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 129 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 09:34:04] [INFO ] Invariant cache hit.
[2024-06-01 09:34:04] [INFO ] [Real]Absence check using 11 positive place invariants in 1 ms returned sat
[2024-06-01 09:34:04] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-06-01 09:34:04] [INFO ] Computed and/alt/rep : 45/45/45 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 09:34:04] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 30302 reset in 105 ms.
Product exploration explored 100000 steps with 30220 reset in 96 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:05] [INFO ] Redundant transitions in 1 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 497 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 948ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 949ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 958 ms. Remains : 41/41 places, 55/55 transitions.
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:06] [INFO ] Invariant cache hit.
[2024-06-01 09:34:06] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 09:34:06] [INFO ] Invariant cache hit.
[2024-06-01 09:34:06] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 899ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 900ms
Finished structural reductions in LTL mode , in 1 iterations and 963 ms. Remains : 41/41 places, 55/55 transitions.
Treatment of property SharedMemory-COL-000005-LTLCardinality-13 finished in 6310 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!p0)))'
Support contains 10 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:07] [INFO ] Invariant cache hit.
[2024-06-01 09:34:07] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 09:34:07] [INFO ] Invariant cache hit.
[2024-06-01 09:34:07] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 479 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 912ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 913ms
Finished structural reductions in LTL mode , in 1 iterations and 973 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 80 ms :[true, p0, p0]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-14 finished in 1066 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(!p0)))))'
Support contains 25 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:08] [INFO ] Invariant cache hit.
[2024-06-01 09:34:08] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-06-01 09:34:08] [INFO ] Invariant cache hit.
[2024-06-01 09:34:08] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 419 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 935ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 936ms
Finished structural reductions in LTL mode , in 1 iterations and 1014 ms. Remains : 41/41 places, 55/55 transitions.
Stuttering acceptance computed with spot in 132 ms :[p0, p0, p0, p0]
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-15
Product exploration explored 100000 steps with 16316 reset in 136 ms.
Stack based approach found an accepted trace after 118 steps with 20 reset with depth 6 and stack size 6 in 0 ms.
FORMULA SharedMemory-COL-000005-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000005-LTLCardinality-15 finished in 1294 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Found a Shortening insensitive property : SharedMemory-COL-000005-LTLCardinality-13
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 4 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:09] [INFO ] Invariant cache hit.
[2024-06-01 09:34:09] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-06-01 09:34:09] [INFO ] Invariant cache hit.
[2024-06-01 09:34:09] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 460 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 465 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 949ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 952ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 1020 ms. Remains : 41/41 places, 55/55 transitions.
Running random walk in product with property : SharedMemory-COL-000005-LTLCardinality-13
Product exploration explored 100000 steps with 30302 reset in 98 ms.
Product exploration explored 100000 steps with 30316 reset in 100 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 128 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 347 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 5 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 137 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 09:34:11] [INFO ] Invariant cache hit.
[2024-06-01 09:34:11] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2024-06-01 09:34:11] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-06-01 09:34:11] [INFO ] Computed and/alt/rep : 45/45/45 causal constraints (skipped 0 transitions) in 3 ms.
[2024-06-01 09:34:11] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 0 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:11] [INFO ] Invariant cache hit.
[2024-06-01 09:34:11] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 09:34:11] [INFO ] Invariant cache hit.
[2024-06-01 09:34:11] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 429 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 486 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 939ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 939ms
Finished structural reductions in LTL mode , in 1 iterations and 1002 ms. Remains : 41/41 places, 55/55 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 132 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 7 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 118 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 09:34:13] [INFO ] Invariant cache hit.
[2024-06-01 09:34:13] [INFO ] [Real]Absence check using 11 positive place invariants in 1 ms returned sat
[2024-06-01 09:34:13] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-06-01 09:34:13] [INFO ] Computed and/alt/rep : 45/45/45 causal constraints (skipped 0 transitions) in 3 ms.
[2024-06-01 09:34:13] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 30306 reset in 98 ms.
Product exploration explored 100000 steps with 30291 reset in 100 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:14] [INFO ] Redundant transitions in 1 ms returned []
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 523 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 956ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 957ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 969 ms. Remains : 41/41 places, 55/55 transitions.
Support contains 6 out of 41 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 41/41 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2024-06-01 09:34:14] [INFO ] Invariant cache hit.
[2024-06-01 09:34:15] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-06-01 09:34:15] [INFO ] Invariant cache hit.
[2024-06-01 09:34:15] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 45 sub problems to find dead transitions.
[2024-06-01 09:34:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/96 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 52 constraints, problems are : Problem set: 0 solved, 45 unsolved in 398 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 5/41 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/41 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 55/96 variables, 41/52 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 97 constraints, problems are : Problem set: 0 solved, 45 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 41/41 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints]
After SMT, in 876ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 877ms
Finished structural reductions in LTL mode , in 1 iterations and 940 ms. Remains : 41/41 places, 55/55 transitions.
Treatment of property SharedMemory-COL-000005-LTLCardinality-13 finished in 6415 ms.
[2024-06-01 09:34:15] [INFO ] Flatten gal took : 5 ms
[2024-06-01 09:34:15] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-06-01 09:34:15] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 41 places, 55 transitions and 200 arcs took 4 ms.
Total runtime 32639 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA SharedMemory-COL-000005-LTLCardinality-13 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717234456374

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name SharedMemory-COL-000005-LTLCardinality-13
ltl formula formula --ltl=/tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 41 places, 55 transitions and 200 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.030 real 0.000 user 0.010 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 43 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 42, there are 58 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 453
pnml2lts-mc( 0/ 4): unique states count: 453
pnml2lts-mc( 0/ 4): unique transitions count: 595
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 175
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 476
pnml2lts-mc( 0/ 4): - cum. max stack depth: 24
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 476 states 804 transitions, fanout: 1.689
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.000 sec minimum, 0.007 sec on average)
pnml2lts-mc( 0/ 4): States per second: 47600, Transitions per second: 80400
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 21.4 B/state, compr.: 12.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 55 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)

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="SharedMemory-COL-000005"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is SharedMemory-COL-000005, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r524-tall-171679080900699"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-000005.tgz
mv SharedMemory-COL-000005 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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