About the Execution of ITS-Tools for Peterson-PT-5
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 1800000.00 | 0.00 | 0.00 | [undef] | Time out reached |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819900388.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Peterson-PT-5, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819900388
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.2M
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 406K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 89K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 380K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 83K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 257K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 48K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 168K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 196K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 784K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 206K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 945K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 535K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
FORMULA_NAME StableMarking
=== Now, execution of the tool begins
BK_START 1748811137883
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-PT-5
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-06-01 20:52:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 20:52:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:52:19] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2025-06-01 20:52:19] [INFO ] Transformed 834 places.
[2025-06-01 20:52:19] [INFO ] Transformed 1242 transitions.
[2025-06-01 20:52:19] [INFO ] Found NUPN structural information;
[2025-06-01 20:52:19] [INFO ] Parsed PT model containing 834 places and 1242 transitions and 3828 arcs in 216 ms.
[2025-06-01 20:52:20] [INFO ] Flatten gal took : 204 ms
[2025-06-01 20:52:20] [INFO ] Flatten gal took : 116 ms
[2025-06-01 20:52:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9612263273069618284.gal : 53 ms
[2025-06-01 20:52:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7107643507914762181.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9612263273069618284.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7107643507914762181.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (8 resets) in 2972 ms. (13 steps per ms) remains 485/834 properties
BEST_FIRST walk for 400 steps (8 resets) in 13 ms. (28 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 24 ms. (16 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 24 ms. (16 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 12 ms. (30 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 14 ms. (26 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 13 ms. (28 steps per ms) remains 485/485 properties
Loading property file /tmp/ReachabilityCardinality7107643507914762181.prop.
BEST_FIRST walk for 400 steps (8 resets) in 13 ms. (28 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 10 ms. (36 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 11 ms. (33 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 5 ms. (66 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 5 ms. (66 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 12 ms. (30 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 5 ms. (66 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 12 ms. (30 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 9 ms. (40 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 6 ms. (57 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 7 ms. (50 steps per ms) remains 485/485 properties
BEST_FIRST walk for 400 steps (8 resets) in 14 ms. (26 steps per ms) remains 485/485 properties
[2025-06-01 20:52:20] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2025-06-01 20:52:20] [INFO ] Computed 23 invariants in 21 ms
[2025-06-01 20:52:20] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Invariant property smplace_808 does not hold.
Invariant property smplace_787 does not hold.
Invariant property smplace_398 does not hold.
Invariant property smplace_391 does not hold.
SDD proceeding with computation,830 properties remain. new max is 2
SDD size :1 after 2
Invariant property smplace_809 does not hold.
Invariant property smplace_786 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_401 does not hold.
Invariant property smplace_399 does not hold.
SDD proceeding with computation,825 properties remain. new max is 2
SDD size :2 after 6
Invariant property smplace_614 does not hold.
Invariant property smplace_214 does not hold.
Invariant property smplace_0 does not hold.
SDD proceeding with computation,822 properties remain. new max is 2
SDD size :6 after 10
Invariant property smplace_250 does not hold.
SDD proceeding with computation,821 properties remain. new max is 2
SDD size :10 after 11
Invariant property smplace_578 does not hold.
SDD proceeding with computation,820 properties remain. new max is 2
SDD size :11 after 12
Invariant property smplace_436 does not hold.
SDD proceeding with computation,819 properties remain. new max is 2
SDD size :12 after 13
Invariant property smplace_255 does not hold.
Invariant property smplace_32 does not hold.
SDD proceeding with computation,817 properties remain. new max is 2
SDD size :13 after 15
Invariant property smplace_677 does not hold.
SDD proceeding with computation,816 properties remain. new max is 2
SDD size :15 after 16
SDD proceeding with computation,816 properties remain. new max is 4
SDD size :16 after 19
SDD proceeding with computation,816 properties remain. new max is 8
SDD size :19 after 20
SDD proceeding with computation,816 properties remain. new max is 16
SDD size :20 after 21
Invariant property smplace_469 does not hold.
SDD proceeding with computation,815 properties remain. new max is 16
SDD size :21 after 26
Invariant property smplace_817 does not hold.
Invariant property smplace_724 does not hold.
Invariant property smplace_519 does not hold.
Invariant property smplace_186 does not hold.
SDD proceeding with computation,811 properties remain. new max is 16
SDD size :26 after 46
SDD proceeding with computation,811 properties remain. new max is 32
SDD size :46 after 47
Invariant property smplace_615 does not hold.
Invariant property smplace_583 does not hold.
Invariant property smplace_396 does not hold.
Invariant property smplace_254 does not hold.
Invariant property smplace_247 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_1 does not hold.
SDD proceeding with computation,802 properties remain. new max is 32
SDD size :47 after 75
Invariant property smplace_680 does not hold.
SDD proceeding with computation,801 properties remain. new max is 32
SDD size :75 after 76
Invariant property smplace_468 does not hold.
SDD proceeding with computation,800 properties remain. new max is 32
SDD size :76 after 95
SDD proceeding with computation,800 properties remain. new max is 64
SDD size :95 after 97
SDD proceeding with computation,800 properties remain. new max is 128
SDD size :97 after 103
At refinement iteration 0 (INCLUDED_ONLY) 0/485 variables, 485/485 constraints. Problems are: Problem set: 0 solved, 485 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1956 variables, and 485 constraints, problems are : Problem set: 4 solved, 481 unsolved in 5078 ms.
Refiners :[Domain max(s): 485/834 constraints, Positive P Invariants (semi-flows): 0/17 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 485/485 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 481 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/481 variables, 481/481 constraints. Problems are: Problem set: 4 solved, 481 unsolved
SDD proceeding with computation,800 properties remain. new max is 256
SDD size :103 after 162
SDD proceeding with computation,800 properties remain. new max is 512
SDD size :162 after 180
Invariant property smplace_818 does not hold.
Invariant property smplace_793 does not hold.
Invariant property smplace_784 does not hold.
Invariant property smplace_721 does not hold.
Invariant property smplace_622 does not hold.
Invariant property smplace_620 does not hold.
Invariant property smplace_588 does not hold.
Invariant property smplace_531 does not hold.
Invariant property smplace_530 does not hold.
Invariant property smplace_424 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_244 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_6 does not hold.
SDD proceeding with computation,785 properties remain. new max is 512
SDD size :180 after 247
Invariant property smplace_814 does not hold.
Invariant property smplace_807 does not hold.
Invariant property smplace_788 does not hold.
Invariant property smplace_679 does not hold.
Invariant property smplace_616 does not hold.
Invariant property smplace_584 does not hold.
Invariant property smplace_520 does not hold.
Invariant property smplace_435 does not hold.
Invariant property smplace_397 does not hold.
Invariant property smplace_393 does not hold.
Invariant property smplace_392 does not hold.
Invariant property smplace_253 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_66 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_2 does not hold.
SDD proceeding with computation,766 properties remain. new max is 512
SDD size :247 after 886
Invariant property smplace_285 does not hold.
SDD proceeding with computation,765 properties remain. new max is 512
SDD size :886 after 1124
Invariant property smplace_176 does not hold.
SDD proceeding with computation,764 properties remain. new max is 512
SDD size :1124 after 1717
SDD proceeding with computation,764 properties remain. new max is 1024
SDD size :1717 after 2172
SDD proceeding with computation,764 properties remain. new max is 2048
SDD size :2172 after 3312
Invariant property smplace_827 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_621 does not hold.
Invariant property smplace_586 does not hold.
Invariant property smplace_529 does not hold.
Invariant property smplace_425 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_242 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_8 does not hold.
SDD proceeding with computation,754 properties remain. new max is 2048
SDD size :3312 after 5490
Invariant property smplace_675 does not hold.
Invariant property smplace_257 does not hold.
Invariant property smplace_34 does not hold.
SDD proceeding with computation,751 properties remain. new max is 2048
SDD size :5490 after 6732
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 481/1956 variables, and 481 constraints, problems are : Problem set: 11 solved, 474 unsolved in 5021 ms.
Refiners :[Domain max(s): 481/834 constraints, Positive P Invariants (semi-flows): 0/17 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 0/485 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10299ms problems are : Problem set: 11 solved, 474 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 474 out of 834 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 106 transitions
Trivial Post-agglo rules discarded 106 transitions
Performed 106 trivial Post agglomeration. Transition count delta: 106
Iterating post reduction 0 with 106 rules applied. Total rules applied 106 place count 834 transition count 1136
Reduce places removed 106 places and 0 transitions.
Iterating post reduction 1 with 106 rules applied. Total rules applied 212 place count 728 transition count 1136
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 212 place count 728 transition count 1052
Deduced a syphon composed of 84 places in 2 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 380 place count 644 transition count 1052
Applied a total of 380 rules in 112 ms. Remains 644 /834 variables (removed 190) and now considering 1052/1242 (removed 190) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 644/834 places, 1052/1242 transitions.
Invariant property smplace_670 does not hold.
Invariant property smplace_585 does not hold.
Invariant property smplace_464 does not hold.
Invariant property smplace_463 does not hold.
Invariant property smplace_264 does not hold.
Invariant property smplace_241 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_178 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_7 does not hold.
SDD proceeding with computation,741 properties remain. new max is 2048
SDD size :6732 after 8263
Invariant property smplace_828 does not hold.
Invariant property smplace_792 does not hold.
Invariant property smplace_791 does not hold.
Invariant property smplace_790 does not hold.
Invariant property smplace_722 does not hold.
Invariant property smplace_647 does not hold.
Invariant property smplace_627 does not hold.
Invariant property smplace_625 does not hold.
Invariant property smplace_589 does not hold.
Invariant property smplace_539 does not hold.
Invariant property smplace_525 does not hold.
Invariant property smplace_438 does not hold.
Invariant property smplace_413 does not hold.
Invariant property smplace_316 does not hold.
Invariant property smplace_286 does not hold.
Invariant property smplace_238 does not hold.
Invariant property smplace_235 does not hold.
Invariant property smplace_233 does not hold.
Invariant property smplace_177 does not hold.
Invariant property smplace_12 does not hold.
SDD proceeding with computation,721 properties remain. new max is 2048
SDD size :8263 after 10208
Invariant property smplace_815 does not hold.
Invariant property smplace_798 does not hold.
Invariant property smplace_785 does not hold.
Invariant property smplace_783 does not hold.
Invariant property smplace_676 does not hold.
Invariant property smplace_649 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_628 does not hold.
Invariant property smplace_619 does not hold.
Invariant property smplace_587 does not hold.
Invariant property smplace_540 does not hold.
Invariant property smplace_532 does not hold.
Invariant property smplace_508 does not hold.
Invariant property smplace_506 does not hold.
Invariant property smplace_505 does not hold.
Invariant property smplace_465 does not hold.
Invariant property smplace_423 does not hold.
Invariant property smplace_402 does not hold.
Invariant property smplace_395 does not hold.
Invariant property smplace_386 does not hold.
Invariant property smplace_384 does not hold.
Invariant property smplace_258 does not hold.
Invariant property smplace_243 does not hold.
Invariant property smplace_234 does not hold.
Invariant property smplace_211 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_5 does not hold.
SDD proceeding with computation,694 properties remain. new max is 2048
SDD size :10208 after 23154
Invariant property smplace_179 does not hold.
SDD proceeding with computation,693 properties remain. new max is 2048
SDD size :23154 after 25335
Invariant property smplace_797 does not hold.
Invariant property smplace_789 does not hold.
Invariant property smplace_626 does not hold.
Invariant property smplace_590 does not hold.
Invariant property smplace_526 does not hold.
Invariant property smplace_428 does not hold.
Invariant property smplace_385 does not hold.
Invariant property smplace_237 does not hold.
Invariant property smplace_236 does not hold.
Invariant property smplace_11 does not hold.
SDD proceeding with computation,683 properties remain. new max is 2048
SDD size :25335 after 29836
SDD proceeding with computation,683 properties remain. new max is 4096
SDD size :29836 after 32032
Invariant property smplace_204 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
SDD proceeding with computation,679 properties remain. new max is 4096
SDD size :32032 after 47098
SDD proceeding with computation,679 properties remain. new max is 8192
SDD size :47098 after 65391
SDD proceeding with computation,679 properties remain. new max is 16384
SDD size :65391 after 110082
Invariant property smplace_697 does not hold.
Invariant property smplace_669 does not hold.
Invariant property smplace_459 does not hold.
Invariant property smplace_268 does not hold.
Invariant property smplace_263 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_43 does not hold.
Invariant property smplace_40 does not hold.
SDD proceeding with computation,671 properties remain. new max is 16384
SDD size :110082 after 237018
RANDOM walk for 3970017 steps (8 resets) in 118440 ms. (33 steps per ms) remains 443/474 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 442/443 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 442/442 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 439/442 properties
BEST_FIRST walk for 40004 steps (8 resets) in 250 ms. (159 steps per ms) remains 439/439 properties
BEST_FIRST walk for 40004 steps (8 resets) in 256 ms. (155 steps per ms) remains 439/439 properties
BEST_FIRST walk for 40004 steps (8 resets) in 303 ms. (131 steps per ms) remains 439/439 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 436/439 properties
BEST_FIRST walk for 40004 steps (8 resets) in 295 ms. (135 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 291 ms. (137 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 285 ms. (139 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 275 ms. (144 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 280 ms. (142 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 245 ms. (162 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 436/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 434/436 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 434/434 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 434/434 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 434/434 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 434/434 properties
BEST_FIRST walk for 40004 steps (8 resets) in 220 ms. (181 steps per ms) remains 431/434 properties
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 431/431 properties
Invariant property smplace_291 does not hold.
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 431/431 properties
SDD proceeding with computation,670 properties remain. new max is 16384
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 431/431 properties
SDD size :237018 after 314958
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 245 ms. (162 steps per ms) remains 431/431 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 431/431 properties
SDD proceeding with computation,670 properties remain. new max is 32768
SDD size :314958 after 403706
Invariant property smplace_812 does not hold.
Invariant property smplace_772 does not hold.
Invariant property smplace_698 does not hold.
Invariant property smplace_641 does not hold.
Invariant property smplace_632 does not hold.
Invariant property smplace_600 does not hold.
Invariant property smplace_595 does not hold.
Invariant property smplace_536 does not hold.
Invariant property smplace_439 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_414 does not hold.
Invariant property smplace_292 does not hold.
Invariant property smplace_290 does not hold.
Invariant property smplace_289 does not hold.
Invariant property smplace_275 does not hold.
Invariant property smplace_272 does not hold.
Invariant property smplace_267 does not hold.
Invariant property smplace_230 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_13 does not hold.
SDD proceeding with computation,649 properties remain. new max is 32768
SDD size :403706 after 586948
Invariant property smplace_825 does not hold.
Invariant property smplace_823 does not hold.
Invariant property smplace_819 does not hold.
Invariant property smplace_816 does not hold.
Invariant property smplace_811 does not hold.
Invariant property smplace_806 does not hold.
Invariant property smplace_781 does not hold.
Invariant property smplace_778 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_766 does not hold.
Invariant property smplace_765 does not hold.
Invariant property smplace_699 does not hold.
Invariant property smplace_644 does not hold.
Invariant property smplace_643 does not hold.
Invariant property smplace_642 does not hold.
Invariant property smplace_634 does not hold.
Invariant property smplace_633 does not hold.
Invariant property smplace_631 does not hold.
Invariant property smplace_617 does not hold.
Invariant property smplace_607 does not hold.
Invariant property smplace_599 does not hold.
Invariant property smplace_596 does not hold.
Invariant property smplace_575 does not hold.
Invariant property smplace_535 does not hold.
Invariant property smplace_534 does not hold.
Invariant property smplace_533 does not hold.
Invariant property smplace_517 does not hold.
Invariant property smplace_504 does not hold.
Invariant property smplace_503 does not hold.
Invariant property smplace_502 does not hold.
Invariant property smplace_501 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_442 does not hold.
Invariant property smplace_441 does not hold.
Invariant property smplace_430 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_394 does not hold.
Invariant property smplace_389 does not hold.
Invariant property smplace_276 does not hold.
Invariant property smplace_271 does not hold.
Invariant property smplace_266 does not hold.
Invariant property smplace_229 does not hold.
Invariant property smplace_228 does not hold.
Invariant property smplace_227 does not hold.
Invariant property smplace_224 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_197 does not hold.
Invariant property smplace_194 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_14 does not hold.
SDD proceeding with computation,594 properties remain. new max is 32768
SDD size :586948 after 1.54996e+06
Invariant property smplace_581 does not hold.
Invariant property smplace_421 does not hold.
Invariant property smplace_245 does not hold.
Invariant property smplace_3 does not hold.
SDD proceeding with computation,590 properties remain. new max is 32768
SDD size :1.54996e+06 after 1.8242e+06
Invariant property smplace_824 does not hold.
Invariant property smplace_795 does not hold.
Invariant property smplace_624 does not hold.
Invariant property smplace_528 does not hold.
Invariant property smplace_387 does not hold.
Invariant property smplace_207 does not hold.
Invariant property smplace_173 does not hold.
SDD proceeding with computation,583 properties remain. new max is 32768
SDD size :1.8242e+06 after 2.23916e+06
Invariant property smplace_821 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_630 does not hold.
Invariant property smplace_538 does not hold.
Invariant property smplace_437 does not hold.
Invariant property smplace_232 does not hold.
Invariant property smplace_202 does not hold.
SDD proceeding with computation,576 properties remain. new max is 32768
SDD size :2.23916e+06 after 2.66228e+06
Invariant property smplace_674 does not hold.
Invariant property smplace_592 does not hold.
Invariant property smplace_467 does not hold.
Invariant property smplace_426 does not hold.
Invariant property smplace_262 does not hold.
Invariant property smplace_260 does not hold.
Invariant property smplace_239 does not hold.
Invariant property smplace_37 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_9 does not hold.
SDD proceeding with computation,566 properties remain. new max is 32768
SDD size :2.66228e+06 after 2.90656e+06
Probabilistic random walk after 10000001 steps, saw 1430363 distinct states, run finished after 99884 ms. (steps per millisecond=100 ) properties seen :0
[2025-06-01 20:54:45] [INFO ] Flow matrix only has 932 transitions (discarded 120 similar events)
// Phase 1: matrix 932 rows 644 cols
[2025-06-01 20:54:45] [INFO ] Computed 23 invariants in 8 ms
[2025-06-01 20:54:45] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Invariant property smplace_672 does not hold.
Invariant property smplace_462 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/402 variables, 402/402 constraints. Problems are: Problem set: 0 solved, 402 unsolved
SDD proceeding with computation,564 properties remain. new max is 32768
SDD size :2.90656e+06 after 3.09268e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/402 variables, 0/402 constraints. Problems are: Problem set: 2 solved, 400 unsolved
At refinement iteration 2 (OVERLAPS) 200/602 variables, 6/408 constraints. Problems are: Problem set: 2 solved, 400 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/602 variables, 200/608 constraints. Problems are: Problem set: 2 solved, 400 unsolved
Invariant property smplace_75 does not hold.
At refinement iteration 4 (INCLUDED_ONLY) 0/602 variables, 0/608 constraints. Problems are: Problem set: 3 solved, 399 unsolved
SDD proceeding with computation,563 properties remain. new max is 32768
At refinement iteration 5 (OVERLAPS) 6/608 variables, 6/614 constraints. Problems are: Problem set: 3 solved, 399 unsolved
SDD size :3.09268e+06 after 3.67551e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/608 variables, 6/620 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/608 variables, 0/620 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 8 (OVERLAPS) 6/614 variables, 6/626 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/614 variables, 6/632 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/614 variables, 0/632 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 11 (OVERLAPS) 932/1546 variables, 614/1246 constraints. Problems are: Problem set: 3 solved, 399 unsolved
SDD proceeding with computation,563 properties remain. new max is 65536
SDD size :3.67551e+06 after 4.92549e+06
At refinement iteration 12 (INCLUDED_ONLY) 0/1546 variables, 205/1451 constraints. Problems are: Problem set: 3 solved, 399 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1546/1576 variables, and 1451 constraints, problems are : Problem set: 3 solved, 399 unsolved in 45021 ms.
Refiners :[Domain max(s): 614/644 constraints, Positive P Invariants (semi-flows): 12/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 614/644 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 402/402 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 399 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/399 variables, 399/399 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/399 variables, 0/399 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 2 (OVERLAPS) 203/602 variables, 6/405 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/602 variables, 203/608 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/602 variables, 0/608 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 5 (OVERLAPS) 6/608 variables, 6/614 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/608 variables, 6/620 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/608 variables, 0/620 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 8 (OVERLAPS) 6/614 variables, 6/626 constraints. Problems are: Problem set: 3 solved, 399 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/614 variables, 6/632 constraints. Problems are: Problem set: 3 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:57] [INFO ] Deduced a trap composed of 34 places in 303 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:57] [INFO ] Deduced a trap composed of 53 places in 218 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:57] [INFO ] Deduced a trap composed of 76 places in 179 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:58] [INFO ] Deduced a trap composed of 39 places in 218 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:58] [INFO ] Deduced a trap composed of 59 places in 151 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:58] [INFO ] Deduced a trap composed of 104 places in 207 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:59] [INFO ] Deduced a trap composed of 151 places in 167 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:59] [INFO ] Deduced a trap composed of 124 places in 139 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:59] [INFO ] Deduced a trap composed of 96 places in 129 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:55:59] [INFO ] Deduced a trap composed of 79 places in 129 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:56:00] [INFO ] Deduced a trap composed of 99 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:56:00] [INFO ] Deduced a trap composed of 113 places in 99 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:56:00] [INFO ] Deduced a trap composed of 141 places in 103 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:56:00] [INFO ] Deduced a trap composed of 168 places in 99 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:56:00] [INFO ] Deduced a trap composed of 188 places in 101 ms of which 16 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/614 variables, 15/647 constraints. Problems are: Problem set: 3 solved, 399 unsolved
SDD proceeding with computation,563 properties remain. new max is 131072
SDD size :4.92549e+06 after 6.36928e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 614/1576 variables, and 647 constraints, problems are : Problem set: 3 solved, 399 unsolved in 45015 ms.
Refiners :[Domain max(s): 614/644 constraints, Positive P Invariants (semi-flows): 12/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/644 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 0/402 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90121ms problems are : Problem set: 3 solved, 399 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 399 out of 644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 644/644 places, 1052/1052 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 41 transitions
Trivial Post-agglo rules discarded 41 transitions
Performed 41 trivial Post agglomeration. Transition count delta: 41
Iterating post reduction 0 with 41 rules applied. Total rules applied 41 place count 644 transition count 1011
Reduce places removed 41 places and 0 transitions.
Iterating post reduction 1 with 41 rules applied. Total rules applied 82 place count 603 transition count 1011
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 82 place count 603 transition count 993
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 118 place count 585 transition count 993
Applied a total of 118 rules in 43 ms. Remains 585 /644 variables (removed 59) and now considering 993/1052 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 585/644 places, 993/1052 transitions.
SDD proceeding with computation,563 properties remain. new max is 262144
SDD size :6.36928e+06 after 1.02559e+07
RANDOM walk for 4000000 steps (8 resets) in 105722 ms. (37 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 399/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 395/399 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 395/395 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 391/395 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 391/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 231 ms. (172 steps per ms) remains 383/391 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 383/383 properties
Probabilistic random walk after 10000001 steps, saw 1429606 distinct states, run finished after 88123 ms. (steps per millisecond=113 ) properties seen :0
[2025-06-01 20:58:16] [INFO ] Flow matrix only has 873 transitions (discarded 120 similar events)
// Phase 1: matrix 873 rows 585 cols
[2025-06-01 20:58:16] [INFO ] Computed 23 invariants in 5 ms
[2025-06-01 20:58:16] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/383 variables, 383/383 constraints. Problems are: Problem set: 0 solved, 383 unsolved
SDD proceeding with computation,563 properties remain. new max is 524288
SDD size :1.02559e+07 after 1.56905e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/383 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 2 (OVERLAPS) 160/543 variables, 6/389 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/543 variables, 160/549 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/543 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 5 (OVERLAPS) 6/549 variables, 6/555 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/549 variables, 6/561 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/549 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 8 (OVERLAPS) 6/555 variables, 6/567 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/555 variables, 6/573 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/555 variables, 0/573 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 11 (OVERLAPS) 873/1428 variables, 555/1128 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1428 variables, 205/1333 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1428 variables, 0/1333 constraints. Problems are: Problem set: 0 solved, 383 unsolved
SMT process timed out in 75062ms, After SMT, problems are : Problem set: 0 solved, 383 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 383 out of 585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 585/585 places, 993/993 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 585 transition count 985
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 577 transition count 985
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 16 place count 577 transition count 981
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 24 place count 573 transition count 981
Applied a total of 24 rules in 51 ms. Remains 573 /585 variables (removed 12) and now considering 981/993 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 573/585 places, 981/993 transitions.
RANDOM walk for 4000000 steps (8 resets) in 101992 ms. (39 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 236 ms. (168 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 383/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 379/383 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 222 ms. (179 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 379/379 properties
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 379/379 properties
Invariant property smplace_695 does not hold.
Invariant property smplace_303 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_46 does not hold.
SDD proceeding with computation,559 properties remain. new max is 524288
SDD size :1.56905e+07 after 2.76172e+07
Probabilistic random walk after 10000001 steps, saw 1429603 distinct states, run finished after 81296 ms. (steps per millisecond=123 ) properties seen :0
[2025-06-01 21:01:24] [INFO ] Flow matrix only has 861 transitions (discarded 120 similar events)
// Phase 1: matrix 861 rows 573 cols
[2025-06-01 21:01:24] [INFO ] Computed 23 invariants in 3 ms
[2025-06-01 21:01:24] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/375 variables, 375/375 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/375 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 2 (OVERLAPS) 156/531 variables, 6/381 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/531 variables, 156/537 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 5 (OVERLAPS) 6/537 variables, 6/543 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 6/549 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/537 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 8 (OVERLAPS) 6/543 variables, 6/555 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/543 variables, 6/561 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/543 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 11 (OVERLAPS) 861/1404 variables, 543/1104 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1404 variables, 205/1309 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1404 variables, 0/1309 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Detected timeout of ITS tools.
[2025-06-01 21:02:20] [INFO ] Flatten gal took : 60 ms
[2025-06-01 21:02:20] [INFO ] Applying decomposition
[2025-06-01 21:02:20] [INFO ] Flatten gal took : 44 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14449458730759255637.txt' '-o' '/tmp/graph14449458730759255637.bin' '-w' '/tmp/graph14449458730759255637.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14449458730759255637.bin' '-l' '-1' '-v' '-w' '/tmp/graph14449458730759255637.weights' '-q' '0' '-e' '0.001'
[2025-06-01 21:02:21] [INFO ] Decomposing Gal with order
[2025-06-01 21:02:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 21:02:21] [INFO ] Removed a total of 1034 redundant transitions.
[2025-06-01 21:02:21] [INFO ] Flatten gal took : 140 ms
[2025-06-01 21:02:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 10 ms.
[2025-06-01 21:02:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17590972713023464481.gal : 15 ms
[2025-06-01 21:02:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6868074574543814825.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17590972713023464481.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6868074574543814825.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6868074574543814825.prop.
SDD proceeding with computation,375 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,375 properties remain. new max is 8
SDD size :1 after 26
Invariant property smplace_744 does not hold.
Invariant property smplace_483 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_88 does not hold.
SDD proceeding with computation,371 properties remain. new max is 8
SDD size :26 after 1541
SDD proceeding with computation,371 properties remain. new max is 16
SDD size :1541 after 50908
At refinement iteration 14 (OVERLAPS) 30/1434 variables, 30/1339 constraints. Problems are: Problem set: 4 solved, 371 unsolved
SMT process timed out in 90073ms, After SMT, problems are : Problem set: 4 solved, 371 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 371 out of 573 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 573/573 places, 981/981 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 573 transition count 976
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 568 transition count 976
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 10 place count 568 transition count 973
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 16 place count 565 transition count 973
Applied a total of 16 rules in 54 ms. Remains 565 /573 variables (removed 8) and now considering 973/981 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 565/573 places, 973/981 transitions.
Invariant property smplace_747 does not hold.
Invariant property smplace_734 does not hold.
Invariant property smplace_733 does not hold.
Invariant property smplace_638 does not hold.
Invariant property smplace_545 does not hold.
Invariant property smplace_497 does not hold.
Invariant property smplace_480 does not hold.
Invariant property smplace_479 does not hold.
Invariant property smplace_321 does not hold.
Invariant property smplace_320 does not hold.
Invariant property smplace_319 does not hold.
Invariant property smplace_296 does not hold.
Invariant property smplace_98 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
SDD proceeding with computation,356 properties remain. new max is 16
SDD size :50908 after 1.34034e+07
Invariant property smplace_637 does not hold.
Invariant property smplace_500 does not hold.
Invariant property smplace_295 does not hold.
Invariant property smplace_76 does not hold.
SDD proceeding with computation,352 properties remain. new max is 16
SDD size :1.34034e+07 after 2.4931e+07
SDD proceeding with computation,352 properties remain. new max is 32
SDD size :2.4931e+07 after 2.4931e+07
RANDOM walk for 4000000 steps (8 resets) in 100460 ms. (39 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 371/371 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 371/371 properties
Interrupted probabilistic random walk after 9085468 steps, run timeout after 87001 ms. (steps per millisecond=104 ) properties seen :0 out of 371
Probabilistic random walk after 9085468 steps, saw 1298991 distinct states, run finished after 87006 ms. (steps per millisecond=104 ) properties seen :0
[2025-06-01 21:04:51] [INFO ] Flow matrix only has 853 transitions (discarded 120 similar events)
// Phase 1: matrix 853 rows 565 cols
[2025-06-01 21:04:51] [INFO ] Computed 23 invariants in 4 ms
[2025-06-01 21:04:51] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 352/352 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 2 (OVERLAPS) 171/523 variables, 6/358 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 171/529 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/529 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 5 (OVERLAPS) 6/529 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 6/541 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/529 variables, 0/541 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 8 (OVERLAPS) 6/535 variables, 6/547 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/535 variables, 6/553 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/535 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 11 (OVERLAPS) 853/1388 variables, 535/1088 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1388 variables, 205/1293 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1388 variables, 0/1293 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 14 (OVERLAPS) 30/1418 variables, 30/1323 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1418 variables, 30/1353 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1418 variables, 5/1358 constraints. Problems are: Problem set: 0 solved, 352 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1418/1418 variables, and 1358 constraints, problems are : Problem set: 0 solved, 352 unsolved in 105025 ms.
Refiners :[Domain max(s): 565/565 constraints, Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 565/565 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 352/352 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 352 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 352/352 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 2 (OVERLAPS) 171/523 variables, 6/358 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 171/529 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/529 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 5 (OVERLAPS) 6/529 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 6/541 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/529 variables, 0/541 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 8 (OVERLAPS) 6/535 variables, 6/547 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/535 variables, 6/553 constraints. Problems are: Problem set: 0 solved, 352 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:55] [INFO ] Deduced a trap composed of 34 places in 216 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:55] [INFO ] Deduced a trap composed of 39 places in 184 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:55] [INFO ] Deduced a trap composed of 81 places in 113 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:55] [INFO ] Deduced a trap composed of 44 places in 184 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:56] [INFO ] Deduced a trap composed of 53 places in 193 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:56] [INFO ] Deduced a trap composed of 58 places in 158 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:57] [INFO ] Deduced a trap composed of 130 places in 116 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:57] [INFO ] Deduced a trap composed of 75 places in 108 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:57] [INFO ] Deduced a trap composed of 70 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:57] [INFO ] Deduced a trap composed of 101 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:57] [INFO ] Deduced a trap composed of 90 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:58] [INFO ] Deduced a trap composed of 95 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:58] [INFO ] Deduced a trap composed of 113 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:58] [INFO ] Deduced a trap composed of 142 places in 80 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:06:58] [INFO ] Deduced a trap composed of 162 places in 102 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/535 variables, 15/568 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/535 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 12 (OVERLAPS) 853/1388 variables, 535/1103 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1388 variables, 205/1308 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1388 variables, 352/1660 constraints. Problems are: Problem set: 0 solved, 352 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1388 variables, 0/1660 constraints. Problems are: Problem set: 0 solved, 352 unsolved
SMT process timed out in 210087ms, After SMT, problems are : Problem set: 0 solved, 352 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 352 out of 565 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 565/565 places, 973/973 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 565 transition count 963
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 555 transition count 963
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 20 place count 555 transition count 958
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 30 place count 550 transition count 958
Applied a total of 30 rules in 37 ms. Remains 550 /565 variables (removed 15) and now considering 958/973 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 550/565 places, 958/973 transitions.
RANDOM walk for 4000000 steps (8 resets) in 96695 ms. (41 steps per ms) remains 352/352 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 352/352 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 352/352 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 348/352 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 211 ms. (188 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 348/348 properties
Interrupted probabilistic random walk after 8679335 steps, run timeout after 91292 ms. (steps per millisecond=95 ) properties seen :0 out of 348
Probabilistic random walk after 8679335 steps, saw 1241020 distinct states, run finished after 91395 ms. (steps per millisecond=94 ) properties seen :0
[2025-06-01 21:10:21] [INFO ] Flow matrix only has 838 transitions (discarded 120 similar events)
// Phase 1: matrix 838 rows 550 cols
[2025-06-01 21:10:21] [INFO ] Computed 23 invariants in 29 ms
[2025-06-01 21:10:21] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 348/348 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 2 (OVERLAPS) 160/508 variables, 6/354 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/508 variables, 160/514 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/508 variables, 0/514 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 5 (OVERLAPS) 6/514 variables, 6/520 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 6/526 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 8 (OVERLAPS) 6/520 variables, 6/532 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 6/538 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/520 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 11 (OVERLAPS) 838/1358 variables, 520/1058 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1358 variables, 205/1263 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1358 variables, 0/1263 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 14 (OVERLAPS) 30/1388 variables, 30/1293 constraints. Problems are: Problem set: 0 solved, 348 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1388 variables, 30/1323 constraints. Problems are: Problem set: 0 solved, 348 unsolved
SMT process timed out in 120619ms, After SMT, problems are : Problem set: 0 solved, 348 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 348 out of 550 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 550/550 places, 958/958 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 550 transition count 956
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 548 transition count 956
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 548 transition count 955
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 547 transition count 955
Applied a total of 6 rules in 147 ms. Remains 547 /550 variables (removed 3) and now considering 955/958 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 547/550 places, 955/958 transitions.
Detected timeout of ITS tools.
RANDOM walk for 4000000 steps (8 resets) in 82283 ms. (48 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 342/342 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 342/342 properties
Interrupted probabilistic random walk after 7578781 steps, run timeout after 66001 ms. (steps per millisecond=114 ) properties seen :0 out of 342
Probabilistic random walk after 7578781 steps, saw 1083730 distinct states, run finished after 66002 ms. (steps per millisecond=114 ) properties seen :0
[2025-06-01 21:13:50] [INFO ] Flow matrix only has 835 transitions (discarded 120 similar events)
// Phase 1: matrix 835 rows 547 cols
[2025-06-01 21:13:50] [INFO ] Computed 23 invariants in 4 ms
[2025-06-01 21:13:50] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/342 variables, 342/342 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/342 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 163/505 variables, 6/348 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/505 variables, 163/511 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/505 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 6/511 variables, 6/517 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/511 variables, 6/523 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/511 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 8 (OVERLAPS) 6/517 variables, 6/529 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 11 (OVERLAPS) 835/1352 variables, 517/1052 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1352 variables, 205/1257 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1352 variables, 0/1257 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 14 (OVERLAPS) 30/1382 variables, 30/1287 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1382 variables, 30/1317 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1382 variables, 5/1322 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1382 variables, 0/1322 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1382/1382 variables, and 1322 constraints, problems are : Problem set: 0 solved, 342 unsolved in 135037 ms.
Refiners :[Domain max(s): 547/547 constraints, Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 547/547 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/342 variables, 342/342 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/342 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 163/505 variables, 6/348 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/505 variables, 163/511 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/505 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 6/511 variables, 6/517 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/511 variables, 6/523 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/511 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 8 (OVERLAPS) 6/517 variables, 6/529 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:24] [INFO ] Deduced a trap composed of 34 places in 221 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:24] [INFO ] Deduced a trap composed of 39 places in 174 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:24] [INFO ] Deduced a trap composed of 81 places in 123 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:24] [INFO ] Deduced a trap composed of 44 places in 169 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:25] [INFO ] Deduced a trap composed of 50 places in 144 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:25] [INFO ] Deduced a trap composed of 58 places in 154 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:25] [INFO ] Deduced a trap composed of 127 places in 121 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:25] [INFO ] Deduced a trap composed of 72 places in 113 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:25] [INFO ] Deduced a trap composed of 64 places in 103 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 98 places in 113 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 84 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 92 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 110 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 139 places in 88 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:16:26] [INFO ] Deduced a trap composed of 156 places in 87 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 15/550 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/517 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 12 (OVERLAPS) 835/1352 variables, 517/1067 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1352 variables, 205/1272 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1352 variables, 342/1614 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1352 variables, 0/1614 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 16 (OVERLAPS) 30/1382 variables, 30/1644 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1382 variables, 30/1674 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1)
(t1 1)
(t2 1)
(t3 0)
(t4 1)
(t5 1)
(t6 1)
(t7 1)
(t8 1)
(t9 0)
(t10 1)
(t11 1)
(t12 0)
(t13 1)
(t14 0)
(t15 1)
(t16 1)
(t17 1)
(t18 1)
(t19 1)
(t20 1)
(t21 0)
(t22 1)
(t23 1)
(t24 0)
(t25 1)
(t26 1)
(t27 1)
(t28 0)
(t29 1)
(t30 0)
(t31 1)
(t32 1)
(t33 0)
(t34 0)
(t35 1)
(t36 1)
(t37 1)
(t38 1)
(t39 1)
(t40 1)
(t41 1)
(t42 1)
(t43 1)
(t44 1)
(t45 0)
(t46 1)
(t47 0)
(t48 1)
(t49 1)
(t50 1)
(t51 1)
(t52 1)
(t53 1)
(t54 1)
(t55 1)
(t56 1)
(t57 1)
(t58 0)
(t59 0)
(t60 1)
(t61 1)
(t62 1)
(t63 0)
(t64 0)
(t65 0)
(t66 0)
(t67 0)
(t68 1)
(t69 1)
(t70 0)
(t71 1)
(t72 1)
(t73 0)
(t74 0)
(t75 1)
(t76 1)
(t77 1)
(t78 1)
(t79 1)
(t80 1)
(t81 1)
(t82 1)
(t83 0)
(t84 0)
(t85 1)
(t86 1)
(t87 1)
(t88 1)
(t89 1)
(t90 0)
(t91 0)
(t92 1)
(t93 1)
(t94 1)
(t95 1)
(t96 1)
(t97 0)
(t98 1)
(t99 0)
(t100 1)
(t101 1)
(t102 0)
(t103 1)
(t104 1)
(t105 0)
(t106 1)
(t107 0)
(t108 1)
(t109 1)
(t110 1)
(t111 1)
(t112 1)
(t113 1)
(t114 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
SMT process timed out in 270121ms, After SMT, problems are : Problem set: 0 solved, 342 unsolved
Fused 342 Parikh solutions to 18 different solutions.
Parikh walk visited 19 properties in 440 ms.
Support contains 323 out of 547 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 547/547 places, 955/955 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 547 transition count 937
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 36 place count 529 transition count 937
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 36 place count 529 transition count 934
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 42 place count 526 transition count 934
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 525 transition count 933
Applied a total of 44 rules in 35 ms. Remains 525 /547 variables (removed 22) and now considering 933/955 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 525/547 places, 933/955 transitions.
RANDOM walk for 4000000 steps (8 resets) in 72935 ms. (54 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 323/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/323 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 319/319 properties
Interrupted probabilistic random walk after 7821898 steps, run timeout after 63001 ms. (steps per millisecond=124 ) properties seen :0 out of 319
Probabilistic random walk after 7821898 steps, saw 1118413 distinct states, run finished after 63003 ms. (steps per millisecond=124 ) properties seen :0
[2025-06-01 21:19:46] [INFO ] Flow matrix only has 813 transitions (discarded 120 similar events)
// Phase 1: matrix 813 rows 525 cols
[2025-06-01 21:19:46] [INFO ] Computed 23 invariants in 5 ms
[2025-06-01 21:19:46] [INFO ] State equation strengthened by 205 read => feed constraints.
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/319 variables, 319/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/319 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 2 (OVERLAPS) 164/483 variables, 6/325 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/483 variables, 164/489 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 5 (OVERLAPS) 6/489 variables, 6/495 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/489 variables, 6/501 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 8 (OVERLAPS) 6/495 variables, 6/507 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/495 variables, 6/513 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/495 variables, 0/513 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 11 (OVERLAPS) 813/1308 variables, 495/1008 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1308 variables, 205/1213 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1308 variables, 0/1213 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 14 (OVERLAPS) 30/1338 variables, 30/1243 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1338 variables, 30/1273 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1338 variables, 5/1278 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1338 variables, 0/1278 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 18 (OVERLAPS) 0/1338 variables, 0/1278 constraints. Problems are: Problem set: 0 solved, 319 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1338/1338 variables, and 1278 constraints, problems are : Problem set: 0 solved, 319 unsolved in 150019 ms.
Refiners :[Domain max(s): 525/525 constraints, Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 525/525 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 319/319 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 319 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/319 variables, 319/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
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="Peterson-PT-5"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Peterson-PT-5, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-tall-174876819900388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-5.tgz
mv Peterson-PT-5 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;