Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102300326.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 FireWire-PT-11, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102300326
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 29K 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-11-ReachabilityCardinality-2025-00
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-01
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-02
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-03
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-04
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-05
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-06
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-07
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-08
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-09
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-10
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-11
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-12
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-13
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-14
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748865176051

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-11
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-02 11:52:58] [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 11:52:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 11:52:59] [INFO ] Load time of PNML (sax parser for PT used): 352 ms
[2025-06-02 11:52:59] [INFO ] Transformed 169 places.
[2025-06-02 11:52:59] [INFO ] Transformed 508 transitions.
[2025-06-02 11:52:59] [INFO ] Found NUPN structural information;
[2025-06-02 11:52:59] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1883 arcs in 571 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 42 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 65 transitions
Reduce redundant transitions removed 65 transitions.
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-02 11:53:00] [INFO ] Flatten gal took : 221 ms
RANDOM walk for 40000 steps (1053 resets) in 3597 ms. (11 steps per ms) remains 7/14 properties
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-02 11:53:00] [INFO ] Flatten gal took : 146 ms
BEST_FIRST walk for 40004 steps (208 resets) in 356 ms. (112 steps per ms) remains 7/7 properties
[2025-06-02 11:53:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1842983740678604641.gal : 78 ms
[2025-06-02 11:53:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3020033792907187471.prop : 9 ms
BEST_FIRST walk for 40004 steps (8 resets) in 594 ms. (67 steps per ms) remains 7/7 properties
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/ReachabilityCardinality1842983740678604641.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3020033792907187471.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3020033792907187471.prop.
BEST_FIRST walk for 40002 steps (213 resets) in 491 ms. (81 steps per ms) remains 6/7 properties
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :4 after 5
BEST_FIRST walk for 40004 steps (187 resets) in 274 ms. (145 steps per ms) remains 6/6 properties
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :6 after 28
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :28 after 31
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :31 after 56
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :56 after 106
BEST_FIRST walk for 40003 steps (431 resets) in 446 ms. (89 steps per ms) remains 6/6 properties
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :106 after 188
BEST_FIRST walk for 40003 steps (206 resets) in 133 ms. (298 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (209 resets) in 119 ms. (333 steps per ms) remains 6/6 properties
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :188 after 419
[2025-06-02 11:53:01] [INFO ] Flow matrix only has 405 transitions (discarded 38 similar events)
// Phase 1: matrix 405 rows 169 cols
[2025-06-02 11:53:01] [INFO ] Computed 10 invariants in 28 ms
[2025-06-02 11:53:01] [INFO ] State equation strengthened by 58 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :419 after 2273
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 91/169 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-10 is true.
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :2273 after 7186
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 91/179 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/179 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :7186 after 13161
At refinement iteration 5 (OVERLAPS) 404/573 variables, 169/348 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 57/405 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/405 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/574 variables, 1/406 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/574 variables, 0/406 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/574 variables, 0/406 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :13161 after 99009
After SMT solving in domain Real declared 574/574 variables, and 406 constraints, problems are : Problem set: 1 solved, 5 unsolved in 2010 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: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 78/78 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 0/78 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Problem FireWire-PT-11-ReachabilityCardinality-2025-03 is UNSAT
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 91/169 variables, 10/88 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 91/179 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 37 places in 178 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 3/182 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 37 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 63 places in 198 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 15 places in 178 ms of which 17 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 3/185 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:04] [INFO ] Deduced a trap composed of 37 places in 53 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 1/186 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/186 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 404/573 variables, 169/355 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/573 variables, 57/412 constraints. Problems are: Problem set: 2 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :99009 after 154981
At refinement iteration 10 (INCLUDED_ONLY) 0/573 variables, 2/414 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 0/414 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 1/574 variables, 1/415 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/574 variables, 0/415 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/574 variables, 0/415 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 574/574 variables, and 415 constraints, problems are : Problem set: 2 solved, 4 unsolved in 5012 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: 5/3 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7230ms problems are : Problem set: 2 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 63 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 443/443 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 440
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 169 transition count 439
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 168 transition count 439
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 166 transition count 435
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 166 transition count 435
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 164 transition count 441
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 164 transition count 437
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 25 place count 164 transition count 429
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 164 transition count 429
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 164 transition count 428
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 31 place count 163 transition count 427
Iterating global reduction 2 with 1 rules applied. Total rules applied 32 place count 163 transition count 427
Applied a total of 32 rules in 214 ms. Remains 163 /169 variables (removed 6) and now considering 427/443 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 228 ms. Remains : 163/169 places, 427/443 transitions.
RANDOM walk for 40000 steps (1132 resets) in 295 ms. (135 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (11 resets) in 195 ms. (204 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (204 resets) in 158 ms. (251 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (527 resets) in 195 ms. (204 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (215 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
SDD proceeding with computation,6 properties remain. new max is 32768
SDD size :154981 after 332382
Interrupted probabilistic random walk after 802589 steps, run timeout after 3001 ms. (steps per millisecond=267 ) properties seen :3 out of 4
Probabilistic random walk after 802589 steps, saw 192842 distinct states, run finished after 3012 ms. (steps per millisecond=266 ) properties seen :3
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-06-02 11:53:12] [INFO ] Flow matrix only has 395 transitions (discarded 32 similar events)
// Phase 1: matrix 395 rows 163 cols
[2025-06-02 11:53:12] [INFO ] Computed 10 invariants in 9 ms
[2025-06-02 11:53:12] [INFO ] State equation strengthened by 59 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/161 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 395/556 variables, 161/171 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/556 variables, 59/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/556 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/558 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/558 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 558/558 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 397 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 163/163 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 123/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:12] [INFO ] Deduced a trap composed of 59 places in 208 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:13] [INFO ] Deduced a trap composed of 15 places in 176 ms of which 22 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 10/161 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 395/556 variables, 161/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/556 variables, 59/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:13] [INFO ] Deduced a trap composed of 24 places in 165 ms of which 23 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/558 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/558 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 558/558 variables, and 235 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1129 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 163/163 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 28 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 427/427 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 163 transition count 425
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 161 transition count 425
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 161 transition count 427
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 8 place count 160 transition count 425
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 160 transition count 423
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 11 place count 160 transition count 423
Applied a total of 11 rules in 72 ms. Remains 160 /163 variables (removed 3) and now considering 423/427 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 160/163 places, 423/427 transitions.
RANDOM walk for 40000 steps (1206 resets) in 237 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (227 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 853644 steps, run timeout after 3001 ms. (steps per millisecond=284 ) properties seen :0 out of 1
Probabilistic random walk after 853644 steps, saw 199858 distinct states, run finished after 3001 ms. (steps per millisecond=284 ) properties seen :0
[2025-06-02 11:53:16] [INFO ] Flow matrix only has 390 transitions (discarded 33 similar events)
// Phase 1: matrix 390 rows 160 cols
[2025-06-02 11:53:16] [INFO ] Computed 10 invariants in 8 ms
[2025-06-02 11:53:16] [INFO ] State equation strengthened by 59 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 121/149 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/158 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 390/548 variables, 158/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/548 variables, 59/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/548 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/550 variables, 2/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/550 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/550 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 550/550 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 160/160 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 121/149 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:17] [INFO ] Deduced a trap composed of 15 places in 196 ms of which 16 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/158 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:17] [INFO ] Deduced a trap composed of 57 places in 156 ms of which 31 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 390/548 variables, 158/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/548 variables, 59/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:18] [INFO ] Deduced a trap composed of 24 places in 272 ms of which 29 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/548 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/548 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/550 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/550 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/550 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 550/550 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1264 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 160/160 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1625ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 28 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 423/423 transitions.
Applied a total of 0 rules in 23 ms. Remains 160 /160 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 160/160 places, 423/423 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 423/423 transitions.
Applied a total of 0 rules in 19 ms. Remains 160 /160 variables (removed 0) and now considering 423/423 (removed 0) transitions.
[2025-06-02 11:53:18] [INFO ] Flow matrix only has 390 transitions (discarded 33 similar events)
[2025-06-02 11:53:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:18] [INFO ] Implicit Places using invariants in 188 ms returned []
[2025-06-02 11:53:18] [INFO ] Flow matrix only has 390 transitions (discarded 33 similar events)
[2025-06-02 11:53:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:19] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-02 11:53:19] [INFO ] Implicit Places using invariants and state equation in 382 ms returned [58, 109, 158]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 588 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 157/160 places, 423/423 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 424
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 424
Applied a total of 2 rules in 25 ms. Remains 156 /157 variables (removed 1) and now considering 424/423 (removed -1) transitions.
[2025-06-02 11:53:19] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
// Phase 1: matrix 391 rows 156 cols
[2025-06-02 11:53:19] [INFO ] Computed 7 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:19] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-02 11:53:19] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
[2025-06-02 11:53:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:19] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-02 11:53:19] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 481 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 156/160 places, 424/423 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1114 ms. Remains : 156/160 places, 424/423 transitions.
RANDOM walk for 40000 steps (1242 resets) in 311 ms. (128 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (233 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-01 is true.
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :332382 after 710378
Interrupted probabilistic random walk after 848293 steps, run timeout after 3001 ms. (steps per millisecond=282 ) properties seen :0 out of 1
Probabilistic random walk after 848293 steps, saw 198953 distinct states, run finished after 3001 ms. (steps per millisecond=282 ) properties seen :0
[2025-06-02 11:53:22] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
[2025-06-02 11:53:22] [INFO ] Invariant cache hit.
[2025-06-02 11:53:22] [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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/141 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:23] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 6/147 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 389/536 variables, 147/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 58/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 11/547 variables, 9/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/547 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/547 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/547 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 547/547 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 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) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/141 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:23] [INFO ] Deduced a trap composed of 56 places in 194 ms of which 28 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/147 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:23] [INFO ] Deduced a trap composed of 15 places in 217 ms of which 24 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 389/536 variables, 147/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 58/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:24] [INFO ] Deduced a trap composed of 24 places in 189 ms of which 29 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/536 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/536 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/547 variables, 9/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/547 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/547 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/547 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 547/547 variables, and 226 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1172 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1560ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 28 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 424/424 transitions.
Applied a total of 0 rules in 10 ms. Remains 156 /156 variables (removed 0) and now considering 424/424 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 156/156 places, 424/424 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 424/424 transitions.
Applied a total of 0 rules in 11 ms. Remains 156 /156 variables (removed 0) and now considering 424/424 (removed 0) transitions.
[2025-06-02 11:53:24] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
[2025-06-02 11:53:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:24] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-02 11:53:24] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
[2025-06-02 11:53:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 11:53:24] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-02 11:53:25] [INFO ] Implicit Places using invariants and state equation in 385 ms returned []
Implicit Place search using SMT with State Equation took 504 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 11:53:25] [INFO ] Redundant transitions in 44 ms returned []
Running 423 sub problems to find dead transitions.
[2025-06-02 11:53:25] [INFO ] Flow matrix only has 391 transitions (discarded 33 similar events)
[2025-06-02 11:53:25] [INFO ] Invariant cache hit.
[2025-06-02 11:53:25] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,5 properties remain. new max is 65536
SDD size :710378 after 1.16651e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (OVERLAPS) 1/156 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:33] [INFO ] Deduced a trap composed of 53 places in 167 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:33] [INFO ] Deduced a trap composed of 24 places in 167 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:33] [INFO ] Deduced a trap composed of 17 places in 158 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:34] [INFO ] Deduced a trap composed of 26 places in 162 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:34] [INFO ] Deduced a trap composed of 35 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:34] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:35] [INFO ] Deduced a trap composed of 35 places in 61 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/156 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (OVERLAPS) 391/547 variables, 156/170 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/547 variables, 59/229 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Invariant property FireWire-PT-11-ReachabilityCardinality-2025-07 does not hold.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :1.16651e+06 after 4.6353e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/547 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:53:55] [INFO ] Deduced a trap composed of 48 places in 182 ms of which 17 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/547 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 547/547 variables, and 230 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 423 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (OVERLAPS) 1/156 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/156 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (OVERLAPS) 391/547 variables, 156/171 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/547 variables, 59/230 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-12 is true.
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :4.6353e+06 after 1.38262e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/547 variables, 423/653 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:54:20] [INFO ] Deduced a trap composed of 35 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:54:21] [INFO ] Deduced a trap composed of 33 places in 66 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/547 variables, 2/655 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 547/547 variables, and 655 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60522ms problems are : Problem set: 0 solved, 423 unsolved
Search for dead transitions found 0 dead transitions in 60530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61105 ms. Remains : 156/156 places, 424/424 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 88 edges and 156 vertex of which 4 / 156 are part of one of the 1 SCC in 3 ms
Free SCC test removed 3 places
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 45 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 152 transition count 378
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 19 place count 152 transition count 362
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 21 place count 152 transition count 360
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 24 place count 150 transition count 359
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 150 transition count 364
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 26 place count 149 transition count 364
Applied a total of 26 rules in 45 ms. Remains 149 /156 variables (removed 7) and now considering 364/424 (removed 60) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 364 rows 149 cols
[2025-06-02 11:54:25] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 11:54:25] [INFO ] After 86ms 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
[2025-06-02 11:54:25] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-06-02 11:54:25] [INFO ] After 145ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:54:26] [INFO ] Deduced a trap composed of 13 places in 169 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 11:54:26] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 3 ms to minimize.
[2025-06-02 11:54:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 280 ms
TRAPS : Iteration 1
[2025-06-02 11:54:26] [INFO ] After 509ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 11:54:26] [INFO ] After 594ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-02 11:54:26] [INFO ] Flatten gal took : 39 ms
[2025-06-02 11:54:26] [INFO ] Flatten gal took : 33 ms
[2025-06-02 11:54:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6532940252406216689.gal : 5 ms
[2025-06-02 11:54:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18180194888961396378.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/ReachabilityCardinality6532940252406216689.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18180194888961396378.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/ReachabilityCardinality18180194888961396378.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 13
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :13 after 23
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :23 after 28
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :28 after 57
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57 after 121
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :121 after 335
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :335 after 713
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :713 after 1287
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1287 after 3034
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-05 is true.
FORMULA FireWire-PT-11-ReachabilityCardinality-2025-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-00 is true.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.38262e+07 after 1.56614e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3034 after 40219
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :40219 after 259919
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :259919 after 3.05986e+06
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3.05986e+06 after 2.26735e+08
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,7.24478e+08,9.99081,207968,2,7971,19,494041,7,0,1004,673080,0
Total reachable state count : 724478363

Verifying 1 reachability properties.
Reachability property FireWire-PT-11-ReachabilityCardinality-2025-05 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
FireWire-PT-11-ReachabilityCardinality-2025-05,2.4689e+06,10.0088,207968,2,1920,19,494041,7,0,1041,673080,0
Over-approximation ignoring read arcs solved -1 properties in 10898 ms.
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 98000 ms.

BK_STOP 1748865276725

--------------------
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-11"
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-11, 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-174860102300326"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-11.tgz
mv FireWire-PT-11 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 ;