Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366000199.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Anderson-PT-10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000199
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.3K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.2K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.3M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1779464504686

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 15:41:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 15:41:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 15:41:46] [INFO ] Load time of PNML (sax parser for PT used): 197 ms
[2026-05-22 15:41:46] [INFO ] Transformed 621 places.
[2026-05-22 15:41:46] [INFO ] Transformed 2480 transitions.
[2026-05-22 15:41:46] [INFO ] Found NUPN structural information;
[2026-05-22 15:41:46] [INFO ] Parsed PT model containing 621 places and 2480 transitions and 9560 arcs in 314 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 2385 ms. (16 steps per ms) remains 10/16 properties
FORMULA Anderson-PT-10-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-10-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-10-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-10-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-10-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-10-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 15:41:47] [INFO ] Flatten gal took : 328 ms
BEST_FIRST walk for 40002 steps (8 resets) in 801 ms. (49 steps per ms) remains 10/10 properties
[2026-05-22 15:41:47] [INFO ] Flatten gal took : 193 ms
BEST_FIRST walk for 40004 steps (8 resets) in 558 ms. (71 steps per ms) remains 9/10 properties
FORMULA Anderson-PT-10-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 344 ms. (115 steps per ms) remains 9/9 properties
[2026-05-22 15:41:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16248106548902555604.gal : 112 ms
[2026-05-22 15:41:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16527022310378519358.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16248106548902555604.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16527022310378519358.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 9/9 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40002 steps (8 resets) in 1336 ms. (29 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality16527022310378519358.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 300 ms. (132 steps per ms) remains 8/9 properties
FORMULA Anderson-PT-10-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 240 ms. (165 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 7/8 properties
FORMULA Anderson-PT-10-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8248519673503677193.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10125604267231131330.kers'
[2026-05-22 15:41:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8248519673503677193.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10125604267231131330.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2480 rows 621 cols 9360 entries
Finished phase 1 with 370 SingleSign rule and 228 generalized
[2026-05-22 15:41:48] [INFO ] Computed 23 invariants in 9 ms
Computed 23 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-10125604267231131330.kers
Total runtime 12 ms.
[2026-05-22 15:41:48] [INFO ] State equation strengthened by 90 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :9 after 11
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :19 after 50
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :50 after 67
At refinement iteration 2 (OVERLAPS) 458/571 variables, 11/124 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :67 after 105
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 458/582 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :105 after 403
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 50/621 variables, 12/594 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :403 after 911
At refinement iteration 6 (INCLUDED_ONLY) 0/621 variables, 50/644 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :911 after 5513
At refinement iteration 7 (INCLUDED_ONLY) 0/621 variables, 1/645 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 621/3101 variables, and 645 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5035 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 0/621 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 7/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem Anderson-PT-10-ReachabilityFireability-2024-02 is UNSAT
FORMULA Anderson-PT-10-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem Anderson-PT-10-ReachabilityFireability-2024-11 is UNSAT
FORMULA Anderson-PT-10-ReachabilityFireability-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 458/571 variables, 11/124 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 458/582 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,9 properties remain. new max is 8192
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/582 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD size :5513 after 44447
Problem Anderson-PT-10-ReachabilityFireability-2024-01 is UNSAT
FORMULA Anderson-PT-10-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 50/621 variables, 12/594 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/621 variables, 50/644 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/621 variables, 1/645 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/621 variables, 1/646 constraints. Problems are: Problem set: 3 solved, 4 unsolved
SMT process timed out in 10246ms, After SMT, problems are : Problem set: 3 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 621 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 621/621 places, 2480/2480 transitions.
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 89 Pre rules applied. Total rules applied 0 place count 621 transition count 2391
Deduced a syphon composed of 89 places in 4 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 0 with 178 rules applied. Total rules applied 178 place count 532 transition count 2391
Discarding 174 places :
Symmetric choice reduction at 0 with 174 rule applications. Total rules 352 place count 358 transition count 687
Iterating global reduction 0 with 174 rules applied. Total rules applied 526 place count 358 transition count 687
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 528 place count 357 transition count 686
Applied a total of 528 rules in 191 ms. Remains 357 /621 variables (removed 264) and now considering 686/2480 (removed 1794) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 357/621 places, 686/2480 transitions.
RANDOM walk for 40000 steps (8 resets) in 352 ms. (113 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 276 ms. (144 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 103 ms. (384 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 153 ms. (259 steps per ms) remains 3/4 properties
FORMULA Anderson-PT-10-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1674287782188810597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7812420728374729007.kers'
[2026-05-22 15:41:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1674287782188810597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7812420728374729007.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 686 rows 357 cols 2542 entries
Finished phase 1 with 106 SingleSign rule and 228 generalized
[2026-05-22 15:41:59] [INFO ] Computed 23 invariants in 3 ms
Computed 23 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-7812420728374729007.kers
Total runtime 7 ms.
[2026-05-22 15:41:59] [INFO ] State equation strengthened by 90 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 326/339 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/339 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/339 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/348 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 9/357 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/357 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 686/1043 variables, 357/380 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1043 variables, 90/470 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1043 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1043 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1043/1043 variables, and 470 constraints, problems are : Problem set: 0 solved, 3 unsolved in 949 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 357/357 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 326/339 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/339 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/339 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/348 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 9/357 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/357 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 686/1043 variables, 357/380 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1043 variables, 90/470 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1043 variables, 3/473 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1043 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/1043 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1043/1043 variables, and 473 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3424 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 357/357 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4405ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 417 ms.
Support contains 13 out of 357 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 357/357 places, 686/686 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 356 transition count 667
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 356 transition count 667
Applied a total of 2 rules in 34 ms. Remains 356 /357 variables (removed 1) and now considering 667/686 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 356/357 places, 667/686 transitions.
RANDOM walk for 40000 steps (8 resets) in 234 ms. (170 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 83 ms. (476 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 135 ms. (294 steps per ms) remains 3/3 properties
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :44447 after 353554
Interrupted probabilistic random walk after 368212 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :1 out of 3
Probabilistic random walk after 368212 steps, saw 271440 distinct states, run finished after 3006 ms. (steps per millisecond=122 ) properties seen :1
FORMULA Anderson-PT-10-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4510761922304068167.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18115413922678978153.kers'
[2026-05-22 15:42:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4510761922304068167.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18115413922678978153.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 667 rows 356 cols 2466 entries
Finished phase 1 with 105 SingleSign rule and 228 generalized
[2026-05-22 15:42:07] [INFO ] Computed 23 invariants in 3 ms
Computed 23 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18115413922678978153.kers
Total runtime 3 ms.
[2026-05-22 15:42:07] [INFO ] State equation strengthened by 90 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 307/316 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/316 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/346 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/356 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 667/1023 variables, 356/379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1023 variables, 90/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1023 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1023 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1023/1023 variables, and 469 constraints, problems are : Problem set: 0 solved, 2 unsolved in 554 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 356/356 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 307/316 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/316 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/346 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/356 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/356 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 667/1023 variables, 356/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1023 variables, 90/470 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1023 variables, 2/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1023 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/1023 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1023/1023 variables, and 472 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2683 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 356/356 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3274ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 219 ms.
Support contains 9 out of 356 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 356/356 places, 667/667 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 354 transition count 629
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 354 transition count 629
Applied a total of 4 rules in 28 ms. Remains 354 /356 variables (removed 2) and now considering 629/667 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 354/356 places, 629/667 transitions.
RANDOM walk for 40000 steps (8 resets) in 194 ms. (205 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 121 ms. (327 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 330655 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 2
Probabilistic random walk after 330655 steps, saw 245132 distinct states, run finished after 3002 ms. (steps per millisecond=110 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3012113382912321697.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6330396229164227680.kers'
[2026-05-22 15:42:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3012113382912321697.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6330396229164227680.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 629 rows 354 cols 2314 entries
Finished phase 1 with 103 SingleSign rule and 228 generalized
[2026-05-22 15:42:14] [INFO ] Computed 23 invariants in 3 ms
Computed 23 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6330396229164227680.kers
Total runtime 4 ms.
[2026-05-22 15:42:14] [INFO ] State equation strengthened by 90 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 305/314 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/314 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/344 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/354 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 629/983 variables, 354/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/983 variables, 90/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/983 variables, 0/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/983 variables, 0/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 983/983 variables, and 467 constraints, problems are : Problem set: 0 solved, 2 unsolved in 541 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 354/354 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 305/314 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/314 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/344 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/344 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/354 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 629/983 variables, 354/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/983 variables, 90/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/983 variables, 2/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/983 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/983 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 983/983 variables, and 469 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2146 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 354/354 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2708ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA Anderson-PT-10-ReachabilityFireability-2024-05 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 116 ms.
Support contains 7 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 629/629 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 353 transition count 610
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 353 transition count 610
Applied a total of 2 rules in 22 ms. Remains 353 /354 variables (removed 1) and now considering 610/629 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 353/354 places, 610/629 transitions.
RANDOM walk for 40000 steps (8 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1065114 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1065114 steps, saw 763554 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8220568788237662778.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13179953811258982802.kers'
[2026-05-22 15:42:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8220568788237662778.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13179953811258982802.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 610 rows 353 cols 2238 entries
Finished phase 1 with 102 SingleSign rule and 228 generalized
[2026-05-22 15:42:20] [INFO ] Computed 23 invariants in 8 ms
Computed 23 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-13179953811258982802.kers
Total runtime 10 ms.
[2026-05-22 15:42:20] [INFO ] State equation strengthened by 90 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 301/308 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/342 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/342 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 11/353 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 610/963 variables, 353/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/963 variables, 90/466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/963 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/963 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 963/963 variables, and 466 constraints, problems are : Problem set: 0 solved, 1 unsolved in 520 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 353/353 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 301/308 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/342 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/342 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 11/353 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 610/963 variables, 353/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/963 variables, 90/466 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/963 variables, 1/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/963 variables, 0/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/963 variables, 0/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 963/963 variables, and 467 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1298 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 353/353 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1847ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 610/610 transitions.
Applied a total of 0 rules in 32 ms. Remains 353 /353 variables (removed 0) and now considering 610/610 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 353/353 places, 610/610 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 610/610 transitions.
Applied a total of 0 rules in 35 ms. Remains 353 /353 variables (removed 0) and now considering 610/610 (removed 0) transitions.
[2026-05-22 15:42:21] [INFO ] Invariant cache hit.
[2026-05-22 15:42:22] [INFO ] Implicit Places using invariants in 409 ms returned []
[2026-05-22 15:42:22] [INFO ] Invariant cache hit.
[2026-05-22 15:42:22] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-22 15:42:24] [INFO ] Implicit Places using invariants and state equation in 1887 ms returned []
Implicit Place search using SMT with State Equation took 2314 ms to find 0 implicit places.
[2026-05-22 15:42:24] [INFO ] Redundant transitions in 35 ms returned []
Running 600 sub problems to find dead transitions.
[2026-05-22 15:42:24] [INFO ] Invariant cache hit.
[2026-05-22 15:42:24] [INFO ] State equation strengthened by 90 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 600 unsolved
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :353554 after 2.91972e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 10/33 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 353/963 variables, and 39 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/353 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/353 variables, 16/39 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/963 variables, and 39 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/353 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60349ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62785 ms. Remains : 353/353 places, 610/610 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 99 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 99 Pre rules applied. Total rules applied 0 place count 353 transition count 511
Deduced a syphon composed of 99 places in 1 ms
Reduce places removed 99 places and 0 transitions.
Iterating global reduction 0 with 198 rules applied. Total rules applied 198 place count 254 transition count 511
Applied a total of 198 rules in 19 ms. Remains 254 /353 variables (removed 99) and now considering 511/610 (removed 99) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5284132864575119488.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6648256546705118610.kers'
[2026-05-22 15:43:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5284132864575119488.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6648256546705118610.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 511 rows 254 cols 2040 entries
Finished phase 1 with 3 SingleSign rule and 228 generalized
[2026-05-22 15:43:24] [INFO ] Computed 23 invariants in 6 ms
Computed 23 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-6648256546705118610.kers
Total runtime 8 ms.
[2026-05-22 15:43:24] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-22 15:43:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-22 15:43:24] [INFO ] [Nat]Absence check using 12 positive and 11 generalized place invariants in 9 ms returned sat
[2026-05-22 15:43:25] [INFO ] After 383ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 15:43:25] [INFO ] After 587ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 15:43:25] [INFO ] After 819ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 15:43:25] [INFO ] Flatten gal took : 51 ms
[2026-05-22 15:43:25] [INFO ] Flatten gal took : 23 ms
[2026-05-22 15:43:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2161756674963227109.gal : 9 ms
[2026-05-22 15:43:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5547246457462192288.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2161756674963227109.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5547246457462192288.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5547246457462192288.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 57
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :57 after 175
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :175 after 445
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :445 after 995
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :995 after 2061
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2061 after 4041
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4041 after 8393
Detected timeout of ITS tools.
[2026-05-22 15:43:40] [INFO ] Flatten gal took : 46 ms
[2026-05-22 15:43:40] [INFO ] Applying decomposition
[2026-05-22 15:43:40] [INFO ] Flatten gal took : 20 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6157485333828809377.txt' '-o' '/tmp/graph6157485333828809377.bin' '-w' '/tmp/graph6157485333828809377.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6157485333828809377.bin' '-l' '-1' '-v' '-w' '/tmp/graph6157485333828809377.weights' '-q' '0' '-e' '0.001'
[2026-05-22 15:43:41] [INFO ] Decomposing Gal with order
[2026-05-22 15:43:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 15:43:41] [INFO ] Removed a total of 790 redundant transitions.
[2026-05-22 15:43:41] [INFO ] Flatten gal took : 132 ms
[2026-05-22 15:43:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 67 labels/synchronizations in 16 ms.
[2026-05-22 15:43:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12456363362870986758.gal : 6 ms
[2026-05-22 15:43:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16427077049707703078.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12456363362870986758.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16427077049707703078.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16427077049707703078.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 100
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :100 after 100
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :100 after 100
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :100 after 100
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :100 after 143
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :143 after 832
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :832 after 1243
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1243 after 3239
SDD proceeding with computation,9 properties remain. new max is 65536
SDD size :2.91972e+06 after 1.87347e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3239 after 21412
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :21412 after 495872
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31659 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-22 15:43:56] [INFO ] Flatten gal took : 83 ms
[2026-05-22 15:43:56] [INFO ] Applying decomposition
[2026-05-22 15:43:56] [INFO ] Flatten gal took : 58 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3455373145329145300.txt' '-o' '/tmp/graph3455373145329145300.bin' '-w' '/tmp/graph3455373145329145300.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3455373145329145300.bin' '-l' '-1' '-v' '-w' '/tmp/graph3455373145329145300.weights' '-q' '0' '-e' '0.001'
[2026-05-22 15:43:56] [INFO ] Decomposing Gal with order
[2026-05-22 15:43:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 15:43:57] [INFO ] Removed a total of 4296 redundant transitions.
[2026-05-22 15:43:57] [INFO ] Flatten gal took : 199 ms
[2026-05-22 15:43:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 425 labels/synchronizations in 51 ms.
[2026-05-22 15:43:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9994308491975771762.gal : 11 ms
[2026-05-22 15:43:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11122264154077691715.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9994308491975771762.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11122264154077691715.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality11122264154077691715.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2 after 44
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :44 after 44
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :44 after 78
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78 after 470
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :470 after 969
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :969 after 238166
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :238166 after 394077
Detected timeout of ITS tools.
[2026-05-22 16:14:00] [INFO ] Flatten gal took : 302 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin14923348838658108144
[2026-05-22 16:14:01] [INFO ] Applying decomposition
[2026-05-22 16:14:01] [INFO ] Flatten gal took : 168 ms
[2026-05-22 16:14:01] [INFO ] Computing symmetric may disable matrix : 610 transitions.
[2026-05-22 16:14:01] [INFO ] Computation of Complete disable matrix. took 24 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 16:14:01] [INFO ] Computing symmetric may enable matrix : 610 transitions.
[2026-05-22 16:14:01] [INFO ] Computation of Complete enable matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 16:14:02] [INFO ] Computing Do-Not-Accords matrix : 610 transitions.
[2026-05-22 16:14:02] [INFO ] Computation of Completed DNA matrix. took 60 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 16:14:02] [INFO ] Built C files in 1741ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14923348838658108144
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14734276551382029584.txt' '-o' '/tmp/graph14734276551382029584.bin' '-w' '/tmp/graph14734276551382029584.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14734276551382029584.bin' '-l' '-1' '-v' '-w' '/tmp/graph14734276551382029584.weights' '-q' '0' '-e' '0.001'
Running compilation step : cd /tmp/ltsmin14923348838658108144;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-22 16:14:03] [INFO ] Decomposing Gal with order
[2026-05-22 16:14:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 16:14:03] [INFO ] Removed a total of 1028 redundant transitions.
[2026-05-22 16:14:03] [INFO ] Flatten gal took : 146 ms
[2026-05-22 16:14:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 71 labels/synchronizations in 80 ms.
[2026-05-22 16:14:03] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability13380936081553038859.gal : 15 ms
[2026-05-22 16:14:03] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17768244703847160292.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability13380936081553038859.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability17768244703847160292.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability17768244703847160292.prop.
Compilation finished in 1772 ms.
Running link step : cd /tmp/ltsmin14923348838658108144;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 92 ms.
Running LTSmin : cd /tmp/ltsmin14923348838658108144;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'AndersonPT10ReachabilityFireability202408==true'
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1.12468e+06
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1.12468e+06 after 6.70274e+06
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6.70274e+06 after 6.72148e+06
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6.72148e+06 after 6.73517e+06
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6.73517e+06 after 6.85737e+06
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6.85737e+06 after 7.03501e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.03501e+06 after 7.31528e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :7.31528e+06 after 9.27079e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.27079e+06 after 2.05437e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.05437e+07 after 1.30683e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.30683e+08 after 2.70195e+08
Reachability property Anderson-PT-10-ReachabilityFireability-2024-08 is true.
FORMULA Anderson-PT-10-ReachabilityFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.95846e+08,830.95,1161752,81187,17103,822843,148513,1424,6.44336e+06,536,7.37854e+06,0
Total reachable state count : 395845950

Verifying 1 reachability properties.
Reachability property Anderson-PT-10-ReachabilityFireability-2024-08 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-10-ReachabilityFireability-2024-08,1440,836.816,1161752,291,197,822843,148513,1458,6.44336e+06,550,7.37854e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 2774698 ms.

BK_STOP 1779467281089

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Anderson-PT-10"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is Anderson-PT-10, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-oct2-177944366000199"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-10.tgz
mv Anderson-PT-10 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;