Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102300334.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 FireWire-PT-12, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102300334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 125K 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

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

=== Now, execution of the tool begins

BK_START 1748869556271

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 13:05:58] [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]
[2025-06-02 13:05:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:05:59] [INFO ] Load time of PNML (sax parser for PT used): 209 ms
[2025-06-02 13:05:59] [INFO ] Transformed 169 places.
[2025-06-02 13:05:59] [INFO ] Transformed 508 transitions.
[2025-06-02 13:05:59] [INFO ] Found NUPN structural information;
[2025-06-02 13:05:59] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 446 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 50 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 68 transitions
Reduce redundant transitions removed 68 transitions.
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-02 13:06:00] [INFO ] Flatten gal took : 226 ms
RANDOM walk for 40000 steps (1072 resets) in 3055 ms. (13 steps per ms) remains 9/14 properties
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-02 13:06:00] [INFO ] Flatten gal took : 123 ms
[2025-06-02 13:06:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8312326226290171561.gal : 80 ms
BEST_FIRST walk for 40003 steps (238 resets) in 845 ms. (47 steps per ms) remains 8/9 properties
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (218 resets) in 139 ms. (285 steps per ms) remains 8/8 properties
[2025-06-02 13:06:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2755340667636993924.prop : 10 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/ReachabilityCardinality8312326226290171561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2755340667636993924.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (209 resets) in 158 ms. (251 steps per ms) remains 8/8 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (209 resets) in 146 ms. (272 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality2755340667636993924.prop.
BEST_FIRST walk for 40004 steps (278 resets) in 357 ms. (111 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (227 resets) in 414 ms. (96 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 30
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :30 after 31
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :31 after 56
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :56 after 81
BEST_FIRST walk for 40002 steps (235 resets) in 417 ms. (95 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :81 after 131
BEST_FIRST walk for 40004 steps (228 resets) in 155 ms. (256 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :131 after 202
[2025-06-02 13:06:01] [INFO ] Flow matrix only has 402 transitions (discarded 38 similar events)
// Phase 1: matrix 402 rows 169 cols
[2025-06-02 13:06:01] [INFO ] Computed 10 invariants in 17 ms
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :202 after 531
[2025-06-02 13:06:01] [INFO ] State equation strengthened by 58 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :531 after 2098
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 107/107 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :2098 after 6458
At refinement iteration 2 (OVERLAPS) 60/167 variables, 10/117 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 60/177 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 401/568 variables, 167/344 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/568 variables, 57/401 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 2/570 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/570 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :6458 after 16762
At refinement iteration 10 (INCLUDED_ONLY) 0/570 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1/571 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/571 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/571 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 571/571 variables, and 406 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2297 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 8/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 107/107 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem FireWire-PT-12-ReachabilityCardinality-2025-12 is UNSAT
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 60/167 variables, 10/117 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 60/177 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 54 places in 210 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :16762 after 120562
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 24 places in 202 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 37 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 37 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:04] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:05] [INFO ] Deduced a trap composed of 17 places in 216 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 7/184 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 0/184 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 401/568 variables, 167/351 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 57/408 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 2/410 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:06] [INFO ] Deduced a trap composed of 48 places in 145 ms of which 24 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 1/411 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/568 variables, 0/411 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 2/570 variables, 2/413 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/570 variables, 2/415 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/570 variables, 2/417 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :120562 after 260138
At refinement iteration 14 (INCLUDED_ONLY) 0/570 variables, 0/417 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/571 variables, and 418 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5008 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7496ms problems are : Problem set: 1 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 102 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 440/440 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 169 transition count 437
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 9 place count 169 transition count 431
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 169 transition count 431
Applied a total of 10 rules in 112 ms. Remains 169 /169 variables (removed 0) and now considering 431/440 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 169/169 places, 431/440 transitions.
RANDOM walk for 40000 steps (1095 resets) in 439 ms. (90 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (243 resets) in 144 ms. (275 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (223 resets) in 68 ms. (579 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (223 resets) in 104 ms. (380 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (221 resets) in 160 ms. (248 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (287 resets) in 136 ms. (291 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (243 resets) in 230 ms. (173 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (239 resets) in 188 ms. (211 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 370567 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :2 out of 7
Probabilistic random walk after 370567 steps, saw 104817 distinct states, run finished after 3010 ms. (steps per millisecond=123 ) properties seen :2
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-06-02 13:06:12] [INFO ] Flow matrix only has 401 transitions (discarded 30 similar events)
// Phase 1: matrix 401 rows 169 cols
[2025-06-02 13:06:12] [INFO ] Computed 10 invariants in 6 ms
[2025-06-02 13:06:12] [INFO ] State equation strengthened by 57 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) 0/92 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 75/167 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 75/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 401/568 variables, 167/344 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/568 variables, 57/401 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 2/570 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/570 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/570 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/570 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 570/570 variables, and 405 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1104 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 75/167 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 75/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:13] [INFO ] Deduced a trap composed of 37 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:13] [INFO ] Deduced a trap composed of 37 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:14] [INFO ] Deduced a trap composed of 24 places in 164 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:14] [INFO ] Deduced a trap composed of 17 places in 138 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 4/181 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 401/568 variables, 167/348 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 57/405 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 2/570 variables, 2/408 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/570 variables, 2/410 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/570 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/570 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/570 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 570/570 variables, and 411 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3071 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4220ms problems are : Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 65536
SDD size :260138 after 649499
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-10 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 1513 ms.
Support contains 66 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 431/431 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 169 transition count 429
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 167 transition count 429
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 166 transition count 427
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 166 transition count 427
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 165 transition count 426
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 165 transition count 425
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 164 transition count 425
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 164 transition count 424
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 164 transition count 424
Applied a total of 12 rules in 82 ms. Remains 164 /169 variables (removed 5) and now considering 424/431 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 164/169 places, 424/431 transitions.
RANDOM walk for 40000 steps (1168 resets) in 431 ms. (92 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (246 resets) in 195 ms. (204 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (233 resets) in 167 ms. (238 steps per ms) remains 3/4 properties
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (300 resets) in 184 ms. (216 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (266 resets) in 242 ms. (164 steps per ms) remains 3/3 properties
[2025-06-02 13:06:18] [INFO ] Flow matrix only has 394 transitions (discarded 30 similar events)
// Phase 1: matrix 394 rows 164 cols
[2025-06-02 13:06:18] [INFO ] Computed 10 invariants in 3 ms
[2025-06-02 13:06:18] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 111/158 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 4/162 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 394/556 variables, 162/172 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/556 variables, 57/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/556 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 2/558 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/558 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 558/558 variables, and 231 constraints, problems are : Problem set: 0 solved, 3 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 164/164 constraints, ReadFeed: 57/57 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 111/158 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:19] [INFO ] Deduced a trap composed of 17 places in 138 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:19] [INFO ] Deduced a trap composed of 36 places in 44 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/162 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:19] [INFO ] Deduced a trap composed of 54 places in 149 ms of which 22 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 394/556 variables, 162/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 57/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/556 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/558 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:20] [INFO ] Deduced a trap composed of 37 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:20] [INFO ] Deduced a trap composed of 56 places in 163 ms of which 21 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/558 variables, 2/238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/558 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/558 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 558/558 variables, and 238 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1867 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 164/164 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2361ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 927 ms.
Support contains 47 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 424/424 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 163 transition count 426
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 163 transition count 424
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 163 transition count 423
Applied a total of 5 rules in 39 ms. Remains 163 /164 variables (removed 1) and now considering 423/424 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 163/164 places, 423/424 transitions.
RANDOM walk for 40000 steps (1149 resets) in 194 ms. (205 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (236 resets) in 92 ms. (430 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (306 resets) in 121 ms. (327 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (273 resets) in 196 ms. (203 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 564901 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 3
Probabilistic random walk after 564901 steps, saw 153969 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2025-06-02 13:06:25] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
// Phase 1: matrix 393 rows 163 cols
[2025-06-02 13:06:25] [INFO ] Computed 10 invariants in 2 ms
[2025-06-02 13:06:25] [INFO ] State equation strengthened by 59 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) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 110/157 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 4/161 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 393/554 variables, 161/171 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 59/230 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/554 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 2/556 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/556 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 232 constraints, problems are : Problem set: 0 solved, 3 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 163/163 constraints, ReadFeed: 59/59 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 110/157 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:25] [INFO ] Deduced a trap composed of 17 places in 153 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 37 places in 138 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 54 places in 126 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 24 places in 137 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/161 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 48 places in 128 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:26] [INFO ] Deduced a trap composed of 37 places in 44 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 393/554 variables, 161/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/554 variables, 59/237 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/554 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/554 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/556 variables, 2/240 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/556 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/556 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/556 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 241 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1874 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 163/163 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2307ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 514 ms.
Support contains 47 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 423/423 transitions.
Applied a total of 0 rules in 11 ms. Remains 163 /163 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 163/163 places, 423/423 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 423/423 transitions.
Applied a total of 0 rules in 10 ms. Remains 163 /163 variables (removed 0) and now considering 423/423 (removed 0) transitions.
[2025-06-02 13:06:28] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
[2025-06-02 13:06:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:28] [INFO ] Implicit Places using invariants in 126 ms returned []
[2025-06-02 13:06:28] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
[2025-06-02 13:06:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:28] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-02 13:06:28] [INFO ] Implicit Places using invariants and state equation in 380 ms returned [60, 111]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 519 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 161/163 places, 423/423 transitions.
Applied a total of 0 rules in 10 ms. Remains 161 /161 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 541 ms. Remains : 161/163 places, 423/423 transitions.
RANDOM walk for 40000 steps (1182 resets) in 277 ms. (143 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (216 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (284 resets) in 132 ms. (300 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (271 resets) in 187 ms. (212 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 544411 steps, run timeout after 3001 ms. (steps per millisecond=181 ) properties seen :0 out of 3
Probabilistic random walk after 544411 steps, saw 149100 distinct states, run finished after 3001 ms. (steps per millisecond=181 ) properties seen :0
[2025-06-02 13:06:31] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
// Phase 1: matrix 393 rows 161 cols
[2025-06-02 13:06:31] [INFO ] Computed 8 invariants in 7 ms
[2025-06-02 13:06:31] [INFO ] State equation strengthened by 59 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) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 108/155 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 391/546 variables, 155/163 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/546 variables, 58/221 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/546 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 8/554 variables, 6/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/554 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/554 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/554 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 228 constraints, problems are : Problem set: 0 solved, 3 unsolved in 435 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 161/161 constraints, ReadFeed: 59/59 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 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 108/155 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:32] [INFO ] Deduced a trap composed of 17 places in 147 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:32] [INFO ] Deduced a trap composed of 37 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:32] [INFO ] Deduced a trap composed of 35 places in 42 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:32] [INFO ] Deduced a trap composed of 93 places in 145 ms of which 24 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:32] [INFO ] Deduced a trap composed of 48 places in 116 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:33] [INFO ] Deduced a trap composed of 54 places in 136 ms of which 19 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 391/546 variables, 155/169 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/546 variables, 58/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/546 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/546 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 8/554 variables, 6/234 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/554 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/554 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 236 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1659 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 161/161 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2118ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 757 ms.
Support contains 47 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 423/423 transitions.
Applied a total of 0 rules in 10 ms. Remains 161 /161 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 161/161 places, 423/423 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 423/423 transitions.
Applied a total of 0 rules in 10 ms. Remains 161 /161 variables (removed 0) and now considering 423/423 (removed 0) transitions.
[2025-06-02 13:06:34] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
[2025-06-02 13:06:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:34] [INFO ] Implicit Places using invariants in 104 ms returned []
[2025-06-02 13:06:34] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
[2025-06-02 13:06:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:35] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-02 13:06:35] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 445 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:06:35] [INFO ] Redundant transitions in 30 ms returned []
Running 422 sub problems to find dead transitions.
[2025-06-02 13:06:35] [INFO ] Flow matrix only has 393 transitions (discarded 30 similar events)
[2025-06-02 13:06:35] [INFO ] Invariant cache hit.
[2025-06-02 13:06:35] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Invariant property FireWire-PT-12-ReachabilityCardinality-2025-10 does not hold.
Reachability property FireWire-PT-12-ReachabilityCardinality-2025-00 is true.
SDD proceeding with computation,6 properties remain. new max is 65536
SDD size :649499 after 2.18472e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (OVERLAPS) 1/161 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:40] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:40] [INFO ] Deduced a trap composed of 54 places in 127 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:40] [INFO ] Deduced a trap composed of 24 places in 131 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:41] [INFO ] Deduced a trap composed of 17 places in 133 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:41] [INFO ] Deduced a trap composed of 35 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:41] [INFO ] Deduced a trap composed of 37 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:42] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 4 (OVERLAPS) 393/554 variables, 161/176 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/554 variables, 59/235 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 7 (OVERLAPS) 0/554 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 422 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 235 constraints, problems are : Problem set: 0 solved, 422 unsolved in 22939 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 161/161 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (OVERLAPS) 1/161 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 4 (OVERLAPS) 393/554 variables, 161/176 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/554 variables, 59/235 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 422/657 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Reachability property FireWire-PT-12-ReachabilityCardinality-2025-11 is true.
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:12] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 4 ms to minimize.
Invariant property FireWire-PT-12-ReachabilityCardinality-2025-08 does not hold.
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property FireWire-PT-12-ReachabilityCardinality-2025-07 does not hold.
FORMULA FireWire-PT-12-ReachabilityCardinality-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :2.18472e+06 after 7.79829e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:18] [INFO ] Deduced a trap composed of 36 places in 47 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/554 variables, 2/659 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 554/554 variables, and 659 constraints, problems are : Problem set: 0 solved, 422 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 161/161 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53254ms problems are : Problem set: 0 solved, 422 unsolved
Search for dead transitions found 0 dead transitions in 53259ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53755 ms. Remains : 161/161 places, 423/423 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 89693 ms.

BK_STOP 1748869648697

--------------------
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="FireWire-PT-12"
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 FireWire-PT-12, 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 r086-smll-174860102300334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-12.tgz
mv FireWire-PT-12 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 ;