Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812900614.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 Peterson-PT-4, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812900614
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 289K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 234K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 38K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 122K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 102K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 469K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 61K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 284K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 298K 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 Peterson-PT-4-ReachabilityCardinality-2025-00
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-01
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-02
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-03
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-04
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-05
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-06
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-07
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-08
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-09
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-10
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-11
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-12
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-13
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-14
FORMULA_NAME Peterson-PT-4-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748943270763

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-PT-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-03 09:34:31] [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]
[2025-06-03 09:34:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 09:34:32] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-06-03 09:34:32] [INFO ] Transformed 480 places.
[2025-06-03 09:34:32] [INFO ] Transformed 690 transitions.
[2025-06-03 09:34:32] [INFO ] Found NUPN structural information;
[2025-06-03 09:34:32] [INFO ] Parsed PT model containing 480 places and 690 transitions and 2120 arcs in 176 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 32 ms.
Working with output stream class java.io.PrintStream
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 1811 ms. (22 steps per ms) remains 11/14 properties
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-03 09:34:32] [INFO ] Flatten gal took : 137 ms
[2025-06-03 09:34:32] [INFO ] Flatten gal took : 75 ms
BEST_FIRST walk for 40004 steps (8 resets) in 800 ms. (49 steps per ms) remains 11/11 properties
[2025-06-03 09:34:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1323912468597670502.gal : 55 ms
[2025-06-03 09:34:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3093262023411576934.prop : 16 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/ReachabilityCardinality1323912468597670502.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3093262023411576934.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
BEST_FIRST walk for 40004 steps (8 resets) in 406 ms. (98 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality3093262023411576934.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 301 ms. (132 steps per ms) remains 9/11 properties
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 608 ms. (65 steps per ms) remains 9/9 properties
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :9 after 11
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :11 after 33
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :33 after 51
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :51 after 156
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :156 after 247
Invariant property Peterson-PT-4-ReachabilityCardinality-2025-09 does not hold.
BEST_FIRST walk for 40004 steps (8 resets) in 1416 ms. (28 steps per ms) remains 9/9 properties
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :247 after 1253
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :1253 after 2831
BEST_FIRST walk for 40004 steps (8 resets) in 1290 ms. (30 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 9/9 properties
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :2831 after 5448
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 9/9 properties
[2025-06-03 09:34:34] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-03 09:34:34] [INFO ] Computed 19 invariants in 18 ms
[2025-06-03 09:34:34] [INFO ] State equation strengthened by 116 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,10 properties remain. new max is 8192
SDD size :5448 after 9678
Problem Peterson-PT-4-ReachabilityCardinality-2025-06 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem Peterson-PT-4-ReachabilityCardinality-2025-03 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-03 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 456/456 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Problem Peterson-PT-4-ReachabilityCardinality-2025-00 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem Peterson-PT-4-ReachabilityCardinality-2025-04 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem Peterson-PT-4-ReachabilityCardinality-2025-05 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/456 variables, 6/462 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/456 variables, 2/464 constraints. Problems are: Problem set: 5 solved, 4 unsolved
Reachability property Peterson-PT-4-ReachabilityCardinality-2025-11 is true.
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :9678 after 62207
At refinement iteration 3 (INCLUDED_ONLY) 0/456 variables, 0/464 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 11/467 variables, 6/470 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/467 variables, 11/481 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/467 variables, 0/481 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 3/470 variables, 3/484 constraints. Problems are: Problem set: 6 solved, 3 unsolved
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :62207 after 123335
At refinement iteration 8 (INCLUDED_ONLY) 0/470 variables, 3/487 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/470 variables, 0/487 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 630/1100 variables, 470/957 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1100 variables, 116/1073 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1100 variables, 0/1073 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 10/1110 variables, 10/1083 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1110 variables, 10/1093 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1110 variables, 2/1095 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1110 variables, 0/1095 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1110 variables, 0/1095 constraints. Problems are: Problem set: 6 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1110/1110 variables, and 1095 constraints, problems are : Problem set: 6 solved, 3 unsolved in 4288 ms.
Refiners :[Domain max(s): 480/480 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/54 constraints. Problems are: Problem set: 6 solved, 3 unsolved
SDD proceeding with computation,9 properties remain. new max is 32768
Problem Peterson-PT-4-ReachabilityCardinality-2025-13 is UNSAT
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 408/462 variables, 7/61 constraints. Problems are: Problem set: 7 solved, 2 unsolved
SDD size :123335 after 241001
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 408/469 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 2/471 constraints. Problems are: Problem set: 7 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:39] [INFO ] Deduced a trap composed of 10 places in 397 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:39] [INFO ] Deduced a trap composed of 21 places in 191 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:39] [INFO ] Deduced a trap composed of 10 places in 215 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:40] [INFO ] Deduced a trap composed of 10 places in 189 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:40] [INFO ] Deduced a trap composed of 10 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:40] [INFO ] Deduced a trap composed of 76 places in 170 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:40] [INFO ] Deduced a trap composed of 76 places in 155 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:40] [INFO ] Deduced a trap composed of 76 places in 205 ms of which 30 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 8/479 constraints. Problems are: Problem set: 7 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:41] [INFO ] Deduced a trap composed of 76 places in 154 ms of which 32 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/462 variables, 1/480 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/462 variables, 0/480 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 5/467 variables, 5/485 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 5/490 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/490 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/493 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 3/496 constraints. Problems are: Problem set: 7 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:41] [INFO ] Deduced a trap composed of 60 places in 169 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:42] [INFO ] Deduced a trap composed of 64 places in 92 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/470 variables, 2/498 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/470 variables, 0/498 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 630/1100 variables, 470/968 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1100 variables, 116/1084 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1100 variables, 1/1085 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1100 variables, 0/1085 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 10/1110 variables, 10/1095 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1110 variables, 10/1105 constraints. Problems are: Problem set: 7 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1110 variables, 2/1107 constraints. Problems are: Problem set: 7 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:43] [INFO ] Deduced a trap composed of 30 places in 112 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1110/1110 variables, and 1108 constraints, problems are : Problem set: 7 solved, 2 unsolved in 5020 ms.
Refiners :[Domain max(s): 480/480 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9425ms problems are : Problem set: 7 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 40 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 148 transitions
Trivial Post-agglo rules discarded 148 transitions
Performed 148 trivial Post agglomeration. Transition count delta: 148
Iterating post reduction 0 with 148 rules applied. Total rules applied 148 place count 480 transition count 542
Reduce places removed 148 places and 0 transitions.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Iterating post reduction 1 with 163 rules applied. Total rules applied 311 place count 332 transition count 527
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 326 place count 317 transition count 527
SDD proceeding with computation,9 properties remain. new max is 65536
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 85 Pre rules applied. Total rules applied 326 place count 317 transition count 442
Deduced a syphon composed of 85 places in 1 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 3 with 170 rules applied. Total rules applied 496 place count 232 transition count 442
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 534 place count 213 transition count 423
SDD size :241001 after 501591
Applied a total of 534 rules in 102 ms. Remains 213 /480 variables (removed 267) and now considering 423/690 (removed 267) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 213/480 places, 423/690 transitions.
RANDOM walk for 40000 steps (8 resets) in 241 ms. (165 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 972660 steps, run timeout after 3001 ms. (steps per millisecond=324 ) properties seen :0 out of 2
Probabilistic random walk after 972660 steps, saw 162648 distinct states, run finished after 3008 ms. (steps per millisecond=323 ) properties seen :0
[2025-06-03 09:34:47] [INFO ] Flow matrix only has 363 transitions (discarded 60 similar events)
// Phase 1: matrix 363 rows 213 cols
[2025-06-03 09:34:47] [INFO ] Computed 19 invariants in 3 ms
[2025-06-03 09:34:47] [INFO ] State equation strengthened by 116 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) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 154/194 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 154/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 5/199 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 5/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/203 variables, 4/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/203 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/203 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 363/566 variables, 203/423 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 116/539 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 10/576 variables, 10/549 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/576 variables, 10/559 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/576 variables, 2/561 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/576 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/576 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 576/576 variables, and 561 constraints, problems are : Problem set: 0 solved, 2 unsolved in 414 ms.
Refiners :[Domain max(s): 213/213 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 213/213 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 154/194 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 154/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:47] [INFO ] Deduced a trap composed of 8 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:47] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:47] [INFO ] Deduced a trap composed of 8 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:47] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:47] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 38 places in 70 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 6/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 5/199 variables, 5/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 5/218 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 38 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 38 places in 70 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/199 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 4/203 variables, 4/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 8 places in 95 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 35 places in 88 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:48] [INFO ] Deduced a trap composed of 41 places in 63 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/203 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/203 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 363/566 variables, 203/434 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 116/550 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 1/551 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/566 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 10/576 variables, 10/561 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/576 variables, 10/571 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/576 variables, 2/573 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 44 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 16 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:49] [INFO ] Deduced a trap composed of 21 places in 82 ms of which 10 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/576 variables, 11/584 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:50] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 4 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/576 variables, 1/585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/576 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/576 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 576/576 variables, and 585 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3452 ms.
Refiners :[Domain max(s): 213/213 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 213/213 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3881ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 212 ms.
Support contains 38 out of 213 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 213/213 places, 423/423 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 213 transition count 422
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 2 place count 212 transition count 422
Applied a total of 2 rules in 18 ms. Remains 212 /213 variables (removed 1) and now considering 422/423 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 212/213 places, 422/423 transitions.
RANDOM walk for 40000 steps (8 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1456884 steps, run timeout after 3001 ms. (steps per millisecond=485 ) properties seen :0 out of 1
Probabilistic random walk after 1456884 steps, saw 243036 distinct states, run finished after 3001 ms. (steps per millisecond=485 ) properties seen :0
[2025-06-03 09:34:54] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
// Phase 1: matrix 362 rows 212 cols
[2025-06-03 09:34:54] [INFO ] Computed 19 invariants in 5 ms
[2025-06-03 09:34:54] [INFO ] State equation strengthened by 116 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) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 150/188 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 150/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/193 variables, 5/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 5/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/197 variables, 4/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/197 variables, 4/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/197 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 362/559 variables, 197/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/559 variables, 116/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/559 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 15/574 variables, 15/541 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/574 variables, 15/556 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/574 variables, 3/559 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/574 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/574 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 574/574 variables, and 559 constraints, problems are : Problem set: 0 solved, 1 unsolved in 299 ms.
Refiners :[Domain max(s): 212/212 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 212/212 constraints, ReadFeed: 116/116 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) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 150/188 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 150/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/193 variables, 5/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 5/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/197 variables, 4/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/197 variables, 4/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/197 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 362/559 variables, 197/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/559 variables, 116/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:54] [INFO ] Deduced a trap composed of 33 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:54] [INFO ] Deduced a trap composed of 35 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 33 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 41 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 41 places in 55 ms of which 5 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/559 variables, 7/533 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 40 places in 79 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/559 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/559 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 15/574 variables, 15/549 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/574 variables, 15/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/574 variables, 3/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 9 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 8 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 8 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:55] [INFO ] Deduced a trap composed of 8 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 8 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:34:56] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 5 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/574 variables, 13/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/574 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/574 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 574/574 variables, and 580 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2529 ms.
Refiners :[Domain max(s): 212/212 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 212/212 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2855ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 38 out of 212 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 212/212 places, 422/422 transitions.
Applied a total of 0 rules in 17 ms. Remains 212 /212 variables (removed 0) and now considering 422/422 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 212/212 places, 422/422 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 212/212 places, 422/422 transitions.
Applied a total of 0 rules in 12 ms. Remains 212 /212 variables (removed 0) and now considering 422/422 (removed 0) transitions.
[2025-06-03 09:34:57] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
[2025-06-03 09:34:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:34:57] [INFO ] Implicit Places using invariants in 187 ms returned [202, 203, 204, 205, 206]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 200 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 207/212 places, 422/422 transitions.
Applied a total of 0 rules in 13 ms. Remains 207 /207 variables (removed 0) and now considering 422/422 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 225 ms. Remains : 207/212 places, 422/422 transitions.
RANDOM walk for 40000 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1458384 steps, run timeout after 3001 ms. (steps per millisecond=485 ) properties seen :0 out of 1
Probabilistic random walk after 1458384 steps, saw 243269 distinct states, run finished after 3001 ms. (steps per millisecond=485 ) properties seen :0
[2025-06-03 09:35:00] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
// Phase 1: matrix 362 rows 207 cols
[2025-06-03 09:35:00] [INFO ] Computed 14 invariants in 3 ms
[2025-06-03 09:35:00] [INFO ] State equation strengthened by 116 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) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 150/188 variables, 7/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 150/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/192 variables, 4/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 362/554 variables, 192/395 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/554 variables, 116/511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/554 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/569 variables, 15/526 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/569 variables, 15/541 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/569 variables, 3/544 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/569 variables, 0/544 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/569 variables, 0/544 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 569/569 variables, and 544 constraints, problems are : Problem set: 0 solved, 1 unsolved in 220 ms.
Refiners :[Domain max(s): 207/207 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 207/207 constraints, ReadFeed: 116/116 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 150/188 variables, 7/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 150/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:00] [INFO ] Deduced a trap composed of 33 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:00] [INFO ] Deduced a trap composed of 33 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:00] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 3/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 4/192 variables, 4/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 362/554 variables, 192/398 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/554 variables, 116/514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/554 variables, 0/514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/569 variables, 15/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/569 variables, 15/544 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/569 variables, 3/547 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 8 places in 199 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 8 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 8 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:01] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:02] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:02] [INFO ] Deduced a trap composed of 17 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:02] [INFO ] Deduced a trap composed of 16 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:02] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 8 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/569 variables, 10/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/569 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/569 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 569/569 variables, and 557 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2054 ms.
Refiners :[Domain max(s): 207/207 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 207/207 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2323ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 38 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 422/422 transitions.
Applied a total of 0 rules in 13 ms. Remains 207 /207 variables (removed 0) and now considering 422/422 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 207/207 places, 422/422 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 422/422 transitions.
Applied a total of 0 rules in 13 ms. Remains 207 /207 variables (removed 0) and now considering 422/422 (removed 0) transitions.
[2025-06-03 09:35:02] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
[2025-06-03 09:35:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:35:03] [INFO ] Implicit Places using invariants in 323 ms returned []
[2025-06-03 09:35:03] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
[2025-06-03 09:35:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 09:35:03] [INFO ] State equation strengthened by 116 read => feed constraints.
[2025-06-03 09:35:03] [INFO ] Implicit Places using invariants and state equation in 367 ms returned []
Implicit Place search using SMT with State Equation took 702 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 09:35:03] [INFO ] Redundant transitions in 21 ms returned []
Running 417 sub problems to find dead transitions.
[2025-06-03 09:35:03] [INFO ] Flow matrix only has 362 transitions (discarded 60 similar events)
[2025-06-03 09:35:03] [INFO ] Invariant cache hit.
[2025-06-03 09:35:03] [INFO ] State equation strengthened by 116 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 207/207 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 14/221 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 8 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 8 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 26 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 27 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:05] [INFO ] Deduced a trap composed of 31 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 8 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 42 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 30 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 32 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 30 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 36 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 41 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 44 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:06] [INFO ] Deduced a trap composed of 8 places in 74 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 20/241 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 8 places in 162 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 24 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 25 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 24 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 24 places in 70 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 33 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:07] [INFO ] Deduced a trap composed of 26 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 106 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 22 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 17 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 16 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:08] [INFO ] Deduced a trap composed of 38 places in 155 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/207 variables, 20/261 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 50 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 9 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 12 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:11] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 25 places in 69 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 24 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 11 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 29 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:12] [INFO ] Deduced a trap composed of 29 places in 72 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 20/281 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:13] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:13] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:13] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 25 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 41 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 23 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:14] [INFO ] Deduced a trap composed of 17 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:15] [INFO ] Deduced a trap composed of 32 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:15] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:15] [INFO ] Deduced a trap composed of 31 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:15] [INFO ] Deduced a trap composed of 33 places in 192 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:15] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:16] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:16] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 20/301 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:17] [INFO ] Deduced a trap composed of 26 places in 308 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:17] [INFO ] Deduced a trap composed of 24 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:17] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 26 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 23 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 33 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 33 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 44 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:18] [INFO ] Deduced a trap composed of 42 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:19] [INFO ] Deduced a trap composed of 32 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:19] [INFO ] Deduced a trap composed of 22 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 34 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:20] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:21] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 20/321 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:25] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:25] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:25] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:25] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:26] [INFO ] Deduced a trap composed of 35 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:27] [INFO ] Deduced a trap composed of 11 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:27] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:27] [INFO ] Deduced a trap composed of 9 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 29 places in 70 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 34 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 32 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 33 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 32 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 32 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:28] [INFO ] Deduced a trap composed of 40 places in 166 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:29] [INFO ] Deduced a trap composed of 48 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:29] [INFO ] Deduced a trap composed of 48 places in 88 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:29] [INFO ] Deduced a trap composed of 54 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:29] [INFO ] Deduced a trap composed of 48 places in 73 ms of which 5 ms to minimize.
Invariant property Peterson-PT-4-ReachabilityCardinality-2025-14 does not hold.
At refinement iteration 7 (INCLUDED_ONLY) 0/207 variables, 20/341 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:33] [INFO ] Deduced a trap composed of 34 places in 61 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 207/569 variables, and 342 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30029 ms.
Refiners :[Domain max(s): 207/207 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/207 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 121/121 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 207/207 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/207 variables, 14/221 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/207 variables, 121/342 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:43] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:43] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:51] [INFO ] Deduced a trap composed of 24 places in 75 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:52] [INFO ] Deduced a trap composed of 42 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:54] [INFO ] Deduced a trap composed of 22 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:55] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:58] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 09:35:59] [INFO ] Deduced a trap composed of 56 places in 72 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/207 variables, 8/350 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 207/569 variables, and 350 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30018 ms.
Refiners :[Domain max(s): 207/207 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/207 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 0/417 constraints, Known Traps: 129/129 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60140ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60154ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60908 ms. Remains : 207/207 places, 422/422 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 245 edges and 207 vertex of which 42 / 207 are part of one of the 15 SCC in 2 ms
Free SCC test removed 27 places
Drop transitions (Empty/Sink Transition effects.) removed 54 transitions
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 116 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 1 place count 180 transition count 304
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 178 transition count 304
Performed 38 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 0 with 76 rules applied. Total rules applied 81 place count 140 transition count 249
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 86 place count 140 transition count 244
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -70
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 1 with 41 rules applied. Total rules applied 127 place count 118 transition count 314
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Graph (trivial) has 44 edges and 118 vertex of which 10 / 118 are part of one of the 2 SCC in 0 ms
Free SCC test removed 8 places
Iterating post reduction 1 with 17 rules applied. Total rules applied 144 place count 110 transition count 298
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 154 place count 110 transition count 288
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 3 with 2 rules applied. Total rules applied 156 place count 109 transition count 287
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 3 with 40 rules applied. Total rules applied 196 place count 109 transition count 247
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 197 place count 109 transition count 246
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 199 place count 108 transition count 245
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 200 place count 107 transition count 245
Free-agglomeration rule applied 8 times.
Iterating global reduction 6 with 8 rules applied. Total rules applied 208 place count 107 transition count 237
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 216 place count 99 transition count 237
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 7 with 11 rules applied. Total rules applied 227 place count 99 transition count 237
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 7 with 3 rules applied. Total rules applied 230 place count 99 transition count 234
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 231 place count 99 transition count 234
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 232 place count 99 transition count 233
Applied a total of 232 rules in 48 ms. Remains 99 /207 variables (removed 108) and now considering 233/422 (removed 189) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 233 rows 99 cols
[2025-06-03 09:36:03] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 09:36:03] [INFO ] After 112ms 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
[2025-06-03 09:36:03] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 09:36:03] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-03 09:36:03] [INFO ] After 55ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-03 09:36:03] [INFO ] After 138ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-03 09:36:03] [INFO ] Flatten gal took : 13 ms
[2025-06-03 09:36:03] [INFO ] Flatten gal took : 11 ms
[2025-06-03 09:36:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4207590041246591071.gal : 2 ms
[2025-06-03 09:36:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1860215168063002721.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/ReachabilityCardinality4207590041246591071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1860215168063002721.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/ReachabilityCardinality1860215168063002721.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 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 10
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10 after 1404
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1404 after 4528
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4528 after 17012
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :17012 after 94236
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :94236 after 1.73323e+06
Invariant property Peterson-PT-4-ReachabilityCardinality-2025-10 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.62314e+06,0.175461,7804,2,1622,14,16777,6,0,632,9676,0
Total reachable state count : 3623140

Verifying 1 reachability properties.
Invariant property Peterson-PT-4-ReachabilityCardinality-2025-10 does not hold.
FORMULA Peterson-PT-4-ReachabilityCardinality-2025-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 65536
SDD size :501591 after 2.55724e+06
Invariant property Peterson-PT-4-ReachabilityCardinality-2025-10 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Peterson-PT-4-ReachabilityCardinality-2025-10,10560,7.60053,7932,2,211,14,16777,7,0,735,9676,0
Over-approximation ignoring read arcs solved -1 properties in 7951 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 99703 ms.

BK_STOP 1748943371696

--------------------
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="Peterson-PT-4"
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 Peterson-PT-4, 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 r142-tall-174876812900614"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-4.tgz
mv Peterson-PT-4 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 ;