Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819500224.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 ParamProductionCell-PT-0, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819500224
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K 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 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 149K 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 Liveness

=== Now, execution of the tool begins

BK_START 1748809797118

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ParamProductionCell-PT-0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-01 20:29:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 20:29:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:29:58] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2025-06-01 20:29:58] [INFO ] Transformed 198 places.
[2025-06-01 20:29:58] [INFO ] Transformed 176 transitions.
[2025-06-01 20:29:58] [INFO ] Found NUPN structural information;
[2025-06-01 20:29:58] [INFO ] Parsed PT model containing 198 places and 176 transitions and 730 arcs in 167 ms.
Built sparse matrix representations for Structural reductions in 5 ms.19682KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 198/198 places, 176/176 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 30 ms. Remains 198 /198 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42 ms. Remains : 198/198 places, 176/176 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 198/198 places, 176/176 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 10 ms. Remains 198 /198 variables (removed 0) and now considering 176/176 (removed 0) transitions.
// Phase 1: matrix 176 rows 198 cols
[2025-06-01 20:29:58] [INFO ] Computed 49 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:29:58] [INFO ] Implicit Places using invariants in 220 ms returned []
[2025-06-01 20:29:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:29:58] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-01 20:29:59] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 438 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:29:59] [INFO ] Redundant transitions in 8 ms returned []
Running 175 sub problems to find dead transitions.
[2025-06-01 20:29:59] [INFO ] Invariant cache hit.
[2025-06-01 20:29:59] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 196/196 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 30/226 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 17/243 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 10 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 26 places in 78 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:00] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:01] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 20/263 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:02] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:02] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:02] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:02] [INFO ] Deduced a trap composed of 27 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 24 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 8 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 31 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 27 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:03] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:04] [INFO ] Deduced a trap composed of 33 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:04] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:04] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:04] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 16/279 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:05] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:06] [INFO ] Deduced a trap composed of 41 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:30:06] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 2/198 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 11 (OVERLAPS) 176/374 variables, 198/484 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 59/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 0/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 374/374 variables, and 543 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30022 ms.
Refiners :[Domain max(s): 198/198 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 198/198 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 196/196 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 30/226 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 17/243 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 39/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 2/198 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 176/374 variables, 198/484 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 59/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 175/718 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 718 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30016 ms.
Refiners :[Domain max(s): 198/198 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 198/198 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60103ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 60583 ms. Remains : 198/198 places, 176/176 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1621 ms (no deadlock found). (steps per millisecond=771 )
Random directed walk for 1250000 steps, including 0 resets, run took 1287 ms (no deadlock found). (steps per millisecond=971 )
[2025-06-01 20:31:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:31:02] [INFO ] [Real]Absence check using 32 positive place invariants in 247 ms returned sat
[2025-06-01 20:31:02] [INFO ] [Real]Absence check using 32 positive and 17 generalized place invariants in 365 ms returned sat
[2025-06-01 20:31:04] [INFO ] [Real]Absence check using state equation in 2132 ms returned sat
[2025-06-01 20:31:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:31:05] [INFO ] [Nat]Absence check using 32 positive place invariants in 58 ms returned sat
[2025-06-01 20:31:05] [INFO ] [Nat]Absence check using 32 positive and 17 generalized place invariants in 201 ms returned sat
[2025-06-01 20:31:06] [INFO ] [Nat]Absence check using state equation in 1466 ms returned sat
[2025-06-01 20:31:06] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-01 20:31:06] [INFO ] [Nat]Added 59 Read/Feed constraints in 53 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:06] [INFO ] Deduced a trap composed of 5 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:06] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 7 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:07] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 27 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:08] [INFO ] Deduced a trap composed of 24 places in 60 ms of which 15 ms to minimize.
[2025-06-01 20:31:08] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 1983 ms
[2025-06-01 20:31:08] [INFO ] Computed and/alt/rep : 170/458/170 causal constraints (skipped 5 transitions) in 10 ms.
[2025-06-01 20:31:10] [INFO ] Added : 157 causal constraints over 32 iterations in 1971 ms. Result :sat
Parikh directed walk for 13700 steps, including 135 resets, run took 29 ms. (steps per millisecond=472 )
Random directed walk for 500001 steps, including 0 resets, run took 487 ms (no deadlock found). (steps per millisecond=1026 )
Random walk for 500000 steps, including 0 resets, run took 610 ms (no deadlock found). (steps per millisecond=819 )
Random directed walk for 500002 steps, including 0 resets, run took 494 ms (no deadlock found). (steps per millisecond=1012 )
Random walk for 500000 steps, including 0 resets, run took 594 ms (no deadlock found). (steps per millisecond=841 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 198/198 places, 176/176 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 7 ms. Remains 198 /198 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-06-01 20:31:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:31:13] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-01 20:31:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:31:13] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-01 20:31:13] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:31:13] [INFO ] Redundant transitions in 7 ms returned []
Running 175 sub problems to find dead transitions.
[2025-06-01 20:31:13] [INFO ] Invariant cache hit.
[2025-06-01 20:31:13] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 196/196 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 30/226 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 17/243 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:13] [INFO ] Deduced a trap composed of 5 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 5 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 7 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 26 places in 65 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 27 places in 76 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:14] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:15] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:15] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:15] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:15] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 20/263 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 27 places in 64 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 27 places in 66 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 24 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 8 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:16] [INFO ] Deduced a trap composed of 31 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 27 places in 59 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 7 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 33 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 35 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 37 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:17] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 16/279 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:19] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:20] [INFO ] Deduced a trap composed of 41 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:20] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 2/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 2/198 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 11 (OVERLAPS) 176/374 variables, 198/484 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 59/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 0/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 374/374 variables, and 543 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30023 ms.
Refiners :[Domain max(s): 198/198 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 198/198 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 196/196 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 30/226 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 17/243 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 39/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 2/198 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 176/374 variables, 198/484 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/374 variables, 59/543 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 175/718 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 718 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30015 ms.
Refiners :[Domain max(s): 198/198 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 198/198 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60069ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 60070ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 60279 ms. Remains : 198/198 places, 176/176 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1460 ms (no deadlock found). (steps per millisecond=856 )
Random directed walk for 1250004 steps, including 0 resets, run took 1217 ms (no deadlock found). (steps per millisecond=1027 )
[2025-06-01 20:32:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:32:16] [INFO ] [Real]Absence check using 32 positive place invariants in 241 ms returned sat
[2025-06-01 20:32:16] [INFO ] [Real]Absence check using 32 positive and 17 generalized place invariants in 359 ms returned sat
[2025-06-01 20:32:18] [INFO ] [Real]Absence check using state equation in 2074 ms returned sat
[2025-06-01 20:32:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:32:18] [INFO ] [Nat]Absence check using 32 positive place invariants in 46 ms returned sat
[2025-06-01 20:32:19] [INFO ] [Nat]Absence check using 32 positive and 17 generalized place invariants in 202 ms returned sat
[2025-06-01 20:32:20] [INFO ] [Nat]Absence check using state equation in 1475 ms returned sat
[2025-06-01 20:32:20] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-01 20:32:20] [INFO ] [Nat]Added 59 Read/Feed constraints in 47 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:20] [INFO ] Deduced a trap composed of 5 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:20] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:20] [INFO ] Deduced a trap composed of 7 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 7 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 27 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 7 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:21] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:22] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:22] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:22] [INFO ] Deduced a trap composed of 24 places in 70 ms of which 11 ms to minimize.
[2025-06-01 20:32:22] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 1955 ms
[2025-06-01 20:32:22] [INFO ] Computed and/alt/rep : 170/458/170 causal constraints (skipped 5 transitions) in 12 ms.
[2025-06-01 20:32:24] [INFO ] Added : 157 causal constraints over 32 iterations in 1953 ms. Result :sat
Parikh directed walk for 13700 steps, including 134 resets, run took 26 ms. (steps per millisecond=526 )
Random directed walk for 500000 steps, including 0 resets, run took 485 ms (no deadlock found). (steps per millisecond=1030 )
Random walk for 500000 steps, including 0 resets, run took 596 ms (no deadlock found). (steps per millisecond=838 )
Random directed walk for 500001 steps, including 0 resets, run took 493 ms (no deadlock found). (steps per millisecond=1014 )
Random walk for 500000 steps, including 0 resets, run took 583 ms (no deadlock found). (steps per millisecond=857 )
[2025-06-01 20:32:26] [INFO ] Flatten gal took : 51 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 198/198 places, 176/176 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 198 transition count 164
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 186 transition count 164
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 62 place count 166 transition count 146
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 62 place count 166 transition count 145
Deduced a syphon composed of 1 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 65 place count 164 transition count 145
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 68 place count 162 transition count 144
Applied a total of 68 rules in 20 ms. Remains 162 /198 variables (removed 36) and now considering 144/176 (removed 32) transitions.
// Phase 1: matrix 144 rows 162 cols
[2025-06-01 20:32:26] [INFO ] Computed 45 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants in 297 ms returned [11, 12, 13, 14, 18, 24, 27, 28, 31, 32, 36, 37, 47, 50, 51, 57, 60, 61, 73, 74, 76, 89, 90, 92, 94, 95, 133, 134, 136, 138, 139]
[2025-06-01 20:32:27] [INFO ] Actually due to overlaps returned [76, 74, 73, 31, 36, 50, 60, 89, 90, 92, 133, 134, 136, 13, 14, 18, 24, 32, 37, 51, 61, 94, 95, 138, 139]
Discarding 25 places :
Implicit Place search using SMT only with invariants took 300 ms to find 25 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 137/198 places, 144/176 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 137 transition count 131
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 26 place count 124 transition count 131
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 26 place count 124 transition count 127
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 34 place count 120 transition count 127
Performed 43 Post agglomeration using F-continuation condition.Transition count delta: 43
Deduced a syphon composed of 43 places in 0 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 2 with 86 rules applied. Total rules applied 120 place count 77 transition count 84
Applied a total of 120 rules in 11 ms. Remains 77 /137 variables (removed 60) and now considering 84/144 (removed 60) transitions.
// Phase 1: matrix 84 rows 77 cols
[2025-06-01 20:32:27] [INFO ] Computed 20 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants in 63 ms returned [11, 12, 19, 20, 29, 34]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 64 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 71/198 places, 84/176 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 66 transition count 79
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 0 with 2 rules applied. Total rules applied 12 place count 65 transition count 78
Applied a total of 12 rules in 3 ms. Remains 65 /71 variables (removed 6) and now considering 78/84 (removed 6) transitions.
// Phase 1: matrix 78 rows 65 cols
[2025-06-01 20:32:27] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-01 20:32:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 65/198 places, 78/176 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 600 ms. Remains : 65/198 places, 78/176 transitions.
Initial state reduction rules removed 1 formulas.
[2025-06-01 20:32:27] [INFO ] Flatten gal took : 7 ms
[2025-06-01 20:32:27] [INFO ] Flatten gal took : 9 ms
[2025-06-01 20:32:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3592532612182015739.gal : 28 ms
RANDOM walk for 3880 steps (0 resets) in 289 ms. (13 steps per ms) remains 0/77 properties
[2025-06-01 20:32:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16000408081086590417.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3592532612182015739.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16000408081086590417.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 78 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 198/198 places, 176/176 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 198 transition count 164
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 186 transition count 164
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 62 place count 166 transition count 146
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 62 place count 166 transition count 145
Deduced a syphon composed of 1 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 65 place count 164 transition count 145
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 68 place count 162 transition count 144
Applied a total of 68 rules in 14 ms. Remains 162 /198 variables (removed 36) and now considering 144/176 (removed 32) transitions.
// Phase 1: matrix 144 rows 162 cols
[2025-06-01 20:32:27] [INFO ] Computed 45 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants in 271 ms returned [11, 12, 13, 14, 18, 24, 27, 28, 31, 32, 36, 37, 47, 50, 51, 57, 60, 61, 73, 74, 76, 89, 90, 92, 94, 95, 133, 134, 136, 138, 139]
[2025-06-01 20:32:27] [INFO ] Actually due to overlaps returned [76, 74, 73, 31, 36, 50, 60, 89, 90, 92, 133, 134, 136, 13, 14, 18, 24, 32, 37, 51, 61, 94, 95, 138, 139]
Discarding 25 places :
Implicit Place search using SMT only with invariants took 275 ms to find 25 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 137/198 places, 144/176 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 137 transition count 131
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 26 place count 124 transition count 131
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 26 place count 124 transition count 127
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 34 place count 120 transition count 127
Performed 43 Post agglomeration using F-continuation condition.Transition count delta: 43
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 2 with 86 rules applied. Total rules applied 120 place count 77 transition count 84
Applied a total of 120 rules in 5 ms. Remains 77 /137 variables (removed 60) and now considering 84/144 (removed 60) transitions.
// Phase 1: matrix 84 rows 77 cols
[2025-06-01 20:32:27] [INFO ] Computed 20 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:27] [INFO ] Implicit Places using invariants in 67 ms returned [11, 12, 19, 20, 29, 34]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 77 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 71/198 places, 84/176 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 66 transition count 79
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 0 with 2 rules applied. Total rules applied 12 place count 65 transition count 78
Applied a total of 12 rules in 3 ms. Remains 65 /71 variables (removed 6) and now considering 78/84 (removed 6) transitions.
// Phase 1: matrix 78 rows 65 cols
[2025-06-01 20:32:28] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:28] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-01 20:32:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:28] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-01 20:32:28] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 65/198 places, 78/176 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 544 ms. Remains : 65/198 places, 78/176 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-01 20:32:28] [INFO ] Flatten gal took : 7 ms
[2025-06-01 20:32:28] [INFO ] Flatten gal took : 5 ms
[2025-06-01 20:32:28] [INFO ] Time to serialize gal into /tmp/CTLFireability511455526954350273.gal : 2 ms
[2025-06-01 20:32:28] [INFO ] Time to serialize properties into /tmp/CTLFireability6719329818946721238.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability511455526954350273.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6719329818946721238.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7928,0.069449,6672,2,1105,5,12577,6,0,341,12066,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((ch_A1P_free==1)&&(ch_TA1_full==0))&&((ch_A2D_free==1)&&(ch_PA2_full==0)))&&(((swivel==1)&&(press_at_upper_pos==0))&&((press...1479
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((ch_A1P_free==1)&&(ch_TA1_full==0))&&((ch_A2D_free==1)&&(ch_PA2_full==0)))...1539
Reverse transition relation is NOT exact ! Due to transitions TL_rot_Cstop.TL_rot_Pstop.TL_lower_Pstart, TU_rot_Cstop.TU_rot_Pstop.TU_lift_Pstart, A2U_rot1...1539
(forward)formula 0,1,0.580313,27456,1,0,231,134790,177,128,2230,90394,284
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 150535 ms.

BK_STOP 1748809948839

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="ParamProductionCell-PT-0"
export BK_EXAMINATION="Liveness"
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 ParamProductionCell-PT-0, examination is Liveness"
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-174876819500224"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ParamProductionCell-PT-0.tgz
mv ParamProductionCell-PT-0 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;