Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339300126.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Champagne-PT-H09T0R, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339300126
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 752K
-rw-r--r-- 1 mcc users 8.8K Jun 6 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 101K Jun 6 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jun 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Jun 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Jun 6 11:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 6 11:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 11:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 12K Jun 6 08:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Jun 6 08:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Jun 6 08:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Jun 6 08:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Jun 6 11:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Jun 6 11:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 7 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 266K Jun 5 20:08 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-00
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-01
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-02
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-03
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-04
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-05
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-06
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-07
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-08
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-09
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-10
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-11
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-12
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-13
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-14
FORMULA_NAME Champagne-PT-H09T0R-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1749330289805

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H09T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-07 21:04:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 21:04:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 21:04:51] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2025-06-07 21:04:51] [INFO ] Transformed 979 places.
[2025-06-07 21:04:51] [INFO ] Transformed 1572 transitions.
[2025-06-07 21:04:51] [INFO ] Found NUPN structural information;
[2025-06-07 21:04:51] [INFO ] Parsed PT model containing 979 places and 1572 transitions and 4420 arcs in 375 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (55 resets) in 1680 ms. (23 steps per ms) remains 3/11 properties
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 383 ms. (104 steps per ms) remains 3/3 properties
[2025-06-07 21:04:52] [INFO ] Flatten gal took : 286 ms
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 3/3 properties
[2025-06-07 21:04:52] [INFO ] Flatten gal took : 130 ms
// Phase 1: matrix 1572 rows 979 cols
[2025-06-07 21:04:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6916725665130763719.gal : 56 ms
[2025-06-07 21:04:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13663341988198842204.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/ReachabilityCardinality6916725665130763719.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13663341988198842204.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2025-06-07 21:04:52] [INFO ] Computed 49 invariants in 66 ms

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 ...329
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality13663341988198842204.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 590/633 variables, 31/74 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/633 variables, 590/664 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/633 variables, 0/664 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 346/979 variables, 18/682 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/979 variables, 346/1028 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/979 variables, 0/1028 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 13
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :13 after 197
At refinement iteration 8 (OVERLAPS) 1572/2551 variables, 979/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2551 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/2551 variables, 0/2007 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2551/2551 variables, and 2007 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1029 ms.
Refiners :[Domain max(s): 979/979 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 979/979 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 590/633 variables, 31/74 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/633 variables, 590/664 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:53] [INFO ] Deduced a trap composed of 40 places in 115 ms of which 19 ms to minimize.
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :197 after 54464
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 38 places in 94 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 46 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 38 places in 67 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 38 places in 65 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/633 variables, 7/671 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 40 places in 60 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/633 variables, 2/673 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 46 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:54] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:55] [INFO ] Deduced a trap composed of 46 places in 50 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/633 variables, 4/677 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/633 variables, 0/677 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 346/979 variables, 18/695 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/979 variables, 346/1041 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:55] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:55] [INFO ] Deduced a trap composed of 38 places in 112 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:55] [INFO ] Deduced a trap composed of 40 places in 164 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:55] [INFO ] Deduced a trap composed of 43 places in 148 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:56] [INFO ] Deduced a trap composed of 43 places in 128 ms of which 19 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/979 variables, 5/1046 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/979 variables, 0/1046 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :54464 after 1.17219e+06
At refinement iteration 12 (OVERLAPS) 1572/2551 variables, 979/2025 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2551 variables, 2/2027 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1.17219e+06 after 1.32253e+06
[2025-06-07 21:04:56] [INFO ] Deduced a trap composed of 41 places in 98 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 90 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 94 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 46 places in 96 ms of which 10 ms to minimize.
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1.32253e+06 after 1.45278e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 46 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:57] [INFO ] Deduced a trap composed of 41 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:58] [INFO ] Deduced a trap composed of 40 places in 93 ms of which 14 ms to minimize.
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1.45278e+06 after 1.61802e+06
At refinement iteration 14 (INCLUDED_ONLY) 0/2551 variables, 11/2038 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2551/2551 variables, and 2038 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5019 ms.
Refiners :[Domain max(s): 979/979 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 979/979 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6230ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 43 out of 979 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 979/979 places, 1572/1572 transitions.
Graph (trivial) has 861 edges and 979 vertex of which 72 / 979 are part of one of the 11 SCC in 10 ms
Free SCC test removed 61 places
Drop transitions (Empty/Sink Transition effects.) removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 357 transitions
Trivial Post-agglo rules discarded 357 transitions
Performed 357 trivial Post agglomeration. Transition count delta: 357
Iterating post reduction 0 with 357 rules applied. Total rules applied 358 place count 918 transition count 1134
Reduce places removed 357 places and 0 transitions.
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 430 rules applied. Total rules applied 788 place count 561 transition count 1061
Reduce places removed 35 places and 0 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Iterating post reduction 2 with 55 rules applied. Total rules applied 843 place count 526 transition count 1041
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1.61802e+06 after 1.85923e+06
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 22 rules applied. Total rules applied 865 place count 506 transition count 1039
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 866 place count 505 transition count 1039
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 18 Pre rules applied. Total rules applied 866 place count 505 transition count 1021
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 5 with 36 rules applied. Total rules applied 902 place count 487 transition count 1021
Discarding 154 places :
Symmetric choice reduction at 5 with 154 rule applications. Total rules 1056 place count 333 transition count 867
Iterating global reduction 5 with 154 rules applied. Total rules applied 1210 place count 333 transition count 867
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1214 place count 333 transition count 863
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 27 Pre rules applied. Total rules applied 1214 place count 333 transition count 836
Deduced a syphon composed of 27 places in 2 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 6 with 54 rules applied. Total rules applied 1268 place count 306 transition count 836
Discarding 29 places :
Symmetric choice reduction at 6 with 29 rule applications. Total rules 1297 place count 277 transition count 617
Iterating global reduction 6 with 29 rules applied. Total rules applied 1326 place count 277 transition count 617
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 6 with 29 rules applied. Total rules applied 1355 place count 277 transition count 588
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 7 with 128 rules applied. Total rules applied 1483 place count 213 transition count 524
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -31
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 1495 place count 207 transition count 555
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 1499 place count 207 transition count 551
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 8 with 13 rules applied. Total rules applied 1512 place count 207 transition count 538
Free-agglomeration rule applied 79 times.
Iterating global reduction 8 with 79 rules applied. Total rules applied 1591 place count 207 transition count 459
Reduce places removed 79 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 166 transitions
Reduce isomorphic transitions removed 166 transitions.
Iterating post reduction 8 with 245 rules applied. Total rules applied 1836 place count 128 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 9 with 11 rules applied. Total rules applied 1847 place count 128 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 1848 place count 127 transition count 281
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 9 with 51 rules applied. Total rules applied 1899 place count 113 transition count 244
Drop transitions (Redundant composition of simpler transitions.) removed 73 transitions
Redundant transition composition rules discarded 73 transitions
Iterating global reduction 10 with 73 rules applied. Total rules applied 1972 place count 113 transition count 171
Ensure Unique test removed 2 places
Iterating post reduction 10 with 2 rules applied. Total rules applied 1974 place count 111 transition count 171
Free-agglomeration rule applied 2 times.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1976 place count 111 transition count 169
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1978 place count 109 transition count 169
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 12 with 10 rules applied. Total rules applied 1988 place count 109 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1989 place count 109 transition count 168
Applied a total of 1989 rules in 324 ms. Remains 109 /979 variables (removed 870) and now considering 168/1572 (removed 1404) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 331 ms. Remains : 109/979 places, 168/1572 transitions.
RANDOM walk for 40000 steps (8 resets) in 686 ms. (58 steps per ms) remains 2/3 properties
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 765 ms. (52 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 117 ms. (339 steps per ms) remains 2/2 properties
[2025-06-07 21:04:59] [INFO ] Flow matrix only has 151 transitions (discarded 17 similar events)
// Phase 1: matrix 151 rows 109 cols
[2025-06-07 21:04:59] [INFO ] Computed 33 invariants in 2 ms
[2025-06-07 21:04:59] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 52/78 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/82 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/207 variables, 82/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 27/234 variables, 11/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/234 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/234 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/238 variables, 4/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/238 variables, 4/125 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/238 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/240 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/240 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 6/246 variables, 4/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/246 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/248 variables, 2/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/248 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/248 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/248 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/260 variables, and 134 constraints, problems are : Problem set: 0 solved, 2 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 30/33 constraints, State Equation: 103/109 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 52/78 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 2 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 4/82 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 125/207 variables, 82/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/207 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 27/234 variables, 11/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/234 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/234 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/238 variables, 4/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/238 variables, 4/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/238 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/240 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/240 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 6/246 variables, 4/135 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/246 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/248 variables, 2/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/248 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/248 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 3/251 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:04:59] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/251 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/251 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 3/254 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/254 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 6/260 variables, 6/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/260 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (OVERLAPS) 0/260 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 260/260 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 633 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, State Equation: 109/109 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 790ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 92 ms.
Support contains 26 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 168/168 transitions.
Graph (trivial) has 35 edges and 109 vertex of which 12 / 109 are part of one of the 6 SCC in 0 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 100 transition count 147
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 20 place count 93 transition count 147
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 20 place count 93 transition count 146
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 22 place count 92 transition count 146
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 90 transition count 144
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 90 transition count 144
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 27 place count 90 transition count 143
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 47 place count 78 transition count 135
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 3 with 19 rules applied. Total rules applied 66 place count 78 transition count 116
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 68 place count 77 transition count 116
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 72 place count 77 transition count 112
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 5 with 13 rules applied. Total rules applied 85 place count 77 transition count 99
Ensure Unique test removed 1 places
Iterating post reduction 5 with 1 rules applied. Total rules applied 86 place count 76 transition count 99
Free-agglomeration rule applied 2 times.
Iterating global reduction 6 with 2 rules applied. Total rules applied 88 place count 76 transition count 97
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 90 place count 74 transition count 97
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 96 place count 74 transition count 97
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 7 with 3 rules applied. Total rules applied 99 place count 71 transition count 94
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 102 place count 68 transition count 94
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 105 place count 68 transition count 91
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 2 Pre rules applied. Total rules applied 105 place count 68 transition count 89
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 8 with 6 rules applied. Total rules applied 111 place count 64 transition count 89
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 112 place count 64 transition count 88
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 113 place count 63 transition count 88
Applied a total of 113 rules in 21 ms. Remains 63 /109 variables (removed 46) and now considering 88/168 (removed 80) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 63/109 places, 88/168 transitions.
RANDOM walk for 40000 steps (8 resets) in 182 ms. (218 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1993669 steps, run timeout after 3001 ms. (steps per millisecond=664 ) properties seen :1 out of 2
Probabilistic random walk after 1993669 steps, saw 347250 distinct states, run finished after 3008 ms. (steps per millisecond=662 ) properties seen :1
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 88 rows 63 cols
[2025-06-07 21:05:03] [INFO ] Computed 20 invariants in 1 ms
[2025-06-07 21:05:03] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
SDD proceeding with computation,3 properties remain. new max is 4096
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :1.85923e+06 after 5.91474e+06
At refinement iteration 3 (OVERLAPS) 85/144 variables, 59/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/147 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/147 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 147/151 variables, and 81 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 19/20 constraints, State Equation: 61/63 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:03] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:03] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:03] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 85/144 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/147 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/147 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/147 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/148 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/149 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/149 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/151 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/151 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/151 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 151/151 variables, and 88 constraints, problems are : Problem set: 0 solved, 1 unsolved in 274 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 63/63 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 368ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 24 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 88/88 transitions.
Graph (trivial) has 4 edges and 63 vertex of which 2 / 63 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 86
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 2 places and 0 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 59 transition count 85
Applied a total of 5 rules in 4 ms. Remains 59 /63 variables (removed 4) and now considering 85/88 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 59/63 places, 85/88 transitions.
RANDOM walk for 40000 steps (8 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2986405 steps, run timeout after 3001 ms. (steps per millisecond=995 ) properties seen :0 out of 1
Probabilistic random walk after 2986405 steps, saw 487459 distinct states, run finished after 3002 ms. (steps per millisecond=994 ) properties seen :0
// Phase 1: matrix 85 rows 59 cols
[2025-06-07 21:05:06] [INFO ] Computed 18 invariants in 1 ms
[2025-06-07 21:05:06] [INFO ] State equation strengthened by 1 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 85/144 variables, 59/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/144 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 144/144 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:07] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:07] [INFO ] Deduced a trap composed of 4 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:07] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 85/144 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/144 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/144 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 144/144 variables, and 82 constraints, problems are : Problem set: 0 solved, 1 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 24 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 85/85 transitions.
Applied a total of 0 rules in 3 ms. Remains 59 /59 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 59/59 places, 85/85 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 85/85 transitions.
Applied a total of 0 rules in 1 ms. Remains 59 /59 variables (removed 0) and now considering 85/85 (removed 0) transitions.
[2025-06-07 21:05:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:05:07] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-07 21:05:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:05:07] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:05:07] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:05:07] [INFO ] Redundant transitions in 20 ms returned [25, 26, 27, 28]
Found 4 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 4 transitions
Redundant transitions reduction (with SMT) removed 4 transitions.
Running 59 sub problems to find dead transitions.
// Phase 1: matrix 81 rows 59 cols
[2025-06-07 21:05:07] [INFO ] Computed 18 invariants in 0 ms
[2025-06-07 21:05:07] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (OVERLAPS) 6/59 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:07] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 81/140 variables, 59/78 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:08] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 0/140 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 80 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1748 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 6/59 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 81/140 variables, 59/78 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 59/138 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 10 (OVERLAPS) 0/140 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 139 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1140 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2904ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 2904ms
Starting structural reductions in REACHABILITY mode, iteration 1 : 59/59 places, 81/85 transitions.
Applied a total of 0 rules in 6 ms. Remains 59 /59 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3027 ms. Remains : 59/59 places, 81/85 transitions.
RANDOM walk for 40000 steps (8 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3290495 steps, run timeout after 3001 ms. (steps per millisecond=1096 ) properties seen :0 out of 1
Probabilistic random walk after 3290495 steps, saw 558069 distinct states, run finished after 3001 ms. (steps per millisecond=1096 ) properties seen :0
[2025-06-07 21:05:13] [INFO ] Invariant cache hit.
[2025-06-07 21:05:13] [INFO ] State equation strengthened by 1 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 81/140 variables, 59/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/140 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/59 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:13] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:13] [INFO ] Deduced a trap composed of 3 places in 17 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:13] [INFO ] Deduced a trap composed of 4 places in 18 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 81/140 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/140 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 82 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 245ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 24 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 59 /59 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 59/59 places, 81/81 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 59 /59 variables (removed 0) and now considering 81/81 (removed 0) transitions.
[2025-06-07 21:05:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:05:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-07 21:05:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:05:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:05:13] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:05:13] [INFO ] Redundant transitions in 1 ms returned []
Running 59 sub problems to find dead transitions.
[2025-06-07 21:05:13] [INFO ] Invariant cache hit.
[2025-06-07 21:05:13] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (OVERLAPS) 6/59 variables, 7/18 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:13] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
SDD proceeding with computation,3 properties remain. new max is 8192
At refinement iteration 5 (OVERLAPS) 81/140 variables, 59/78 constraints. Problems are: Problem set: 0 solved, 59 unsolved
SDD size :5.91474e+06 after 5.56116e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:05:14] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (OVERLAPS) 0/140 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 140/140 variables, and 80 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1642 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 6/59 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 81/140 variables, 59/78 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 59/138 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 10 (OVERLAPS) 0/140 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 140/140 variables, and 139 constraints, problems are : Problem set: 0 solved, 59 unsolved in 1070 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 59/59 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2725ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 2725ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2821 ms. Remains : 59/59 places, 81/81 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 135 edges and 59 vertex of which 57 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 15 ms. Remains 57 /59 variables (removed 2) and now considering 81/81 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 81 rows 57 cols
[2025-06-07 21:05:16] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:05:16] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:05:16] [INFO ] [Nat]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-07 21:05:16] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-07 21:05:16] [INFO ] After 41ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-07 21:05:16] [INFO ] After 81ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-07 21:05:16] [INFO ] Flatten gal took : 6 ms
[2025-06-07 21:05:16] [INFO ] Flatten gal took : 4 ms
[2025-06-07 21:05:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15659607499642047767.gal : 1 ms
[2025-06-07 21:05:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4036685904405601629.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/ReachabilityCardinality15659607499642047767.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4036685904405601629.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 ...329
Loading property file /tmp/ReachabilityCardinality4036685904405601629.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 18
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :18 after 90
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :90 after 684
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :684 after 6008
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6008 after 25515
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.74764e+08,0.016203,4616,2,133,11,1956,7,0,343,1380,0
Total reachable state count : 374764320

Verifying 1 reachability properties.
Reachability property Champagne-PT-H09T0R-ReachabilityCardinality-2025-00 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Champagne-PT-H09T0R-ReachabilityCardinality-2025-00,400744,0.018653,4744,2,298,11,1956,7,0,379,1380,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 196 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-07 21:05:16] [INFO ] Flatten gal took : 66 ms
[2025-06-07 21:05:16] [INFO ] Applying decomposition
[2025-06-07 21:05:16] [INFO ] Flatten gal took : 51 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/graph2628958395861162312.txt' '-o' '/tmp/graph2628958395861162312.bin' '-w' '/tmp/graph2628958395861162312.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2628958395861162312.bin' '-l' '-1' '-v' '-w' '/tmp/graph2628958395861162312.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:05:17] [INFO ] Decomposing Gal with order
[2025-06-07 21:05:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:05:17] [INFO ] Removed a total of 1273 redundant transitions.
[2025-06-07 21:05:17] [INFO ] Flatten gal took : 140 ms
[2025-06-07 21:05:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 56 labels/synchronizations in 38 ms.
[2025-06-07 21:05:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17744432342901934640.gal : 18 ms
[2025-06-07 21:05:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16045321722911756063.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/ReachabilityCardinality17744432342901934640.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16045321722911756063.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 ...309
Loading property file /tmp/ReachabilityCardinality16045321722911756063.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2 after 146
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :146 after 4.02697e+44
Detected timeout of ITS tools.
[2025-06-07 21:35:17] [INFO ] Flatten gal took : 4 ms
Using solver Z3 to compute partial order matrices.
[2025-06-07 21:35:17] [INFO ] Applying decomposition
[2025-06-07 21:35:17] [INFO ] Flatten gal took : 3 ms
Built C files in :
/tmp/ltsmin3054265246661713584
[2025-06-07 21:35:17] [INFO ] Computing symmetric may disable matrix : 81 transitions.
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/graph5370068830102812438.txt' '-o' '/tmp/graph5370068830102812438.bin' '-w' '/tmp/graph5370068830102812438.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5370068830102812438.bin' '-l' '-1' '-v' '-w' '/tmp/graph5370068830102812438.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:35:17] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 21:35:17] [INFO ] Computing symmetric may enable matrix : 81 transitions.
[2025-06-07 21:35:17] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 21:35:17] [INFO ] Decomposing Gal with order
[2025-06-07 21:35:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:35:17] [INFO ] Removed a total of 20 redundant transitions.
[2025-06-07 21:35:17] [INFO ] Flatten gal took : 5 ms
[2025-06-07 21:35:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 2 ms.
[2025-06-07 21:35:17] [INFO ] Computing Do-Not-Accords matrix : 81 transitions.
[2025-06-07 21:35:17] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 21:35:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1488655185526245748.gal : 14 ms
[2025-06-07 21:35:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15126119365616087185.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/ReachabilityCardinality1488655185526245748.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15126119365616087185.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
[2025-06-07 21:35:17] [INFO ] Built C files in 58ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3054265246661713584
Loading property file /tmp/ReachabilityCardinality15126119365616087185.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 36
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :36 after 216
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :216 after 22680
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :22680 after 510300
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.6454e+08,0.026334,5708,55,20,448,164,216,344,77,260,0
Total reachable state count : 264539520

Verifying 1 reachability properties.
Reachability property Champagne-PT-H09T0R-ReachabilityCardinality-2025-00 is true.
FORMULA Champagne-PT-H09T0R-ReachabilityCardinality-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Champagne-PT-H09T0R-ReachabilityCardinality-2025-00,2520,0.027962,5708,36,18,448,164,255,344,87,260,267
Running compilation step : cd /tmp/ltsmin3054265246661713584;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 1826683 ms.

BK_STOP 1749332117821

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Champagne-PT-H09T0R"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Champagne-PT-H09T0R, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-174931339300126"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H09T0R.tgz
mv Champagne-PT-H09T0R execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;