Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r127-smll-177955743800007.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is DoubleLock-PT-p3s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 330K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779564342279

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 19:25:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 19:25:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:25:44] [INFO ] Load time of PNML (sax parser for PT used): 207 ms
[2026-05-23 19:25:44] [INFO ] Transformed 112 places.
[2026-05-23 19:25:44] [INFO ] Transformed 744 transitions.
[2026-05-23 19:25:44] [INFO ] Parsed PT model containing 112 places and 744 transitions and 3008 arcs in 389 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 32 transitions.
FORMULA DoubleLock-PT-p3s2-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-23 19:25:44] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
// Phase 1: matrix 515 rows 92 cols
[2026-05-23 19:25:44] [INFO ] Computed 4 invariants in 37 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[10, 1, +inf, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (117 resets) in 54 ms. (181 steps per ms)
FORMULA DoubleLock-PT-p3s2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (48 resets) in 47 ms. (416 steps per ms)
FORMULA DoubleLock-PT-p3s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:25:45] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-23 19:25:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:25:45] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-23 19:25:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 19:25:45] [INFO ] [Real]Absence check using state equation in 329 ms returned sat
[2026-05-23 19:25:45] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 19:25:45] [INFO ] [Real]Added 47 Read/Feed constraints in 38 ms returned sat
[2026-05-23 19:25:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:25:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-23 19:25:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 19:25:46] [INFO ] [Nat]Absence check using state equation in 279 ms returned sat
[2026-05-23 19:25:46] [INFO ] [Nat]Added 47 Read/Feed constraints in 60 ms returned sat
[2026-05-23 19:25:46] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 194 ms.
[2026-05-23 19:25:46] [INFO ] Added : 4 causal constraints over 2 iterations in 440 ms. Result :sat
Minimization took 372 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 712/712 transitions.
Graph (complete) has 1229 edges and 92 vertex of which 89 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.5 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 89 transition count 704
Applied a total of 9 rules in 79 ms. Remains 89 /92 variables (removed 3) and now considering 704/712 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95 ms. Remains : 89/92 places, 704/712 transitions.
[2026-05-23 19:25:47] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 16=1, 18=1, 27=1, 240=1, 282=1, 312=1, 327=1, 458=1, 494=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 286=1, 497=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 187 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:25:47] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
// Phase 1: matrix 507 rows 89 cols
[2026-05-23 19:25:47] [INFO ] Computed 3 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11760 resets) in 1379 ms. (724 steps per ms)
BEST_FIRST walk for 1000001 steps (2454 resets) in 610 ms. (1636 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:25:49] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-23 19:25:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:25:49] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 19:25:50] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2026-05-23 19:25:50] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 19:25:50] [INFO ] [Real]Added 47 Read/Feed constraints in 33 ms returned sat
[2026-05-23 19:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:25:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 19:25:50] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2026-05-23 19:25:50] [INFO ] [Nat]Added 47 Read/Feed constraints in 45 ms returned sat
[2026-05-23 19:25:50] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 438 transitions) in 87 ms.
[2026-05-23 19:25:50] [INFO ] Added : 3 causal constraints over 1 iterations in 175 ms. Result :sat
Minimization took 426 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 26 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 89/89 places, 704/704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 24 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
[2026-05-23 19:25:51] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-23 19:25:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:25:51] [INFO ] Implicit Places using invariants in 168 ms returned []
[2026-05-23 19:25:51] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-23 19:25:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:25:51] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 19:25:51] [INFO ] Implicit Places using invariants and state equation in 512 ms returned []
Implicit Place search using SMT with State Equation took 683 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:25:52] [INFO ] Redundant transitions in 52 ms returned []
Running 702 sub problems to find dead transitions.
[2026-05-23 19:25:52] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-23 19:25:52] [INFO ] Invariant cache hit.
[2026-05-23 19:25:52] [INFO ] State equation strengthened by 47 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 702 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:25:57] [INFO ] Deduced a trap composed of 46 places in 578 ms of which 358 ms to minimize.
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:25:58] [INFO ] Deduced a trap composed of 48 places in 141 ms of which 4 ms to minimize.
Problem TDEAD468 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD477 is UNSAT
Problem TDEAD478 is UNSAT
Problem TDEAD482 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:25:58] [INFO ] Deduced a trap composed of 48 places in 100 ms of which 3 ms to minimize.
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD496 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD536 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD545 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD555 is UNSAT
Problem TDEAD556 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD559 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD571 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD599 is UNSAT
Problem TDEAD603 is UNSAT
Problem TDEAD604 is UNSAT
Problem TDEAD606 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD608 is UNSAT
Problem TDEAD609 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD611 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD613 is UNSAT
Problem TDEAD614 is UNSAT
Problem TDEAD615 is UNSAT
Problem TDEAD616 is UNSAT
Problem TDEAD617 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD619 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD621 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD623 is UNSAT
Problem TDEAD624 is UNSAT
Problem TDEAD625 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD628 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD630 is UNSAT
Problem TDEAD634 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD639 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD644 is UNSAT
Problem TDEAD647 is UNSAT
Problem TDEAD648 is UNSAT
Problem TDEAD652 is UNSAT
Problem TDEAD653 is UNSAT
Problem TDEAD657 is UNSAT
Problem TDEAD658 is UNSAT
Problem TDEAD660 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD663 is UNSAT
Problem TDEAD664 is UNSAT
Problem TDEAD665 is UNSAT
Problem TDEAD666 is UNSAT
Problem TDEAD667 is UNSAT
Problem TDEAD668 is UNSAT
Problem TDEAD669 is UNSAT
Problem TDEAD670 is UNSAT
Problem TDEAD671 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 3/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/596 variables, 0/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/596 variables, 0/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 596/596 variables, and 142 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 702/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 144 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 3/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 8/89 variables, 1/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 558/700 constraints. Problems are: Problem set: 144 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 596/596 variables, and 700 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 558/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60741ms problems are : Problem set: 144 solved, 558 unsolved
Search for dead transitions found 144 dead transitions in 60766ms
Found 144 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 144 transitions
Dead transitions reduction (with SMT) removed 144 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 89/89 places, 560/704 transitions.
Graph (complete) has 966 edges and 89 vertex of which 81 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.3 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 22 ms. Remains 81 /89 variables (removed 8) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:26:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2026-05-23 19:26:52] [INFO ] Computed 2 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:26:53] [INFO ] Implicit Places using invariants in 192 ms returned []
[2026-05-23 19:26:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:26:53] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:26:53] [INFO ] Implicit Places using invariants and state equation in 443 ms returned []
Implicit Place search using SMT with State Equation took 638 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/89 places, 560/704 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62215 ms. Remains : 81/89 places, 560/704 transitions.
[2026-05-23 19:26:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 186 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 19:26:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000002 steps (11713 resets) in 993 ms. (1006 steps per ms)
BEST_FIRST walk for 1000001 steps (2447 resets) in 530 ms. (1883 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:26:55] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:26:55] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:26:55] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2026-05-23 19:26:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:26:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:26:55] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2026-05-23 19:26:55] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:26:55] [INFO ] [Nat]Added 41 Read/Feed constraints in 34 ms returned sat
[2026-05-23 19:26:55] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 47 ms.
[2026-05-23 19:26:55] [INFO ] Added : 2 causal constraints over 1 iterations in 118 ms. Result :sat
Minimization took 325 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 17 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 13 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:26:56] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:26:56] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-23 19:26:56] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:26:56] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:26:56] [INFO ] Implicit Places using invariants and state equation in 479 ms returned []
Implicit Place search using SMT with State Equation took 629 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:26:56] [INFO ] Redundant transitions in 9 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:26:56] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:26:56] [INFO ] Invariant cache hit.
[2026-05-23 19:26:56] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60311ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 60315ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60976 ms. Remains : 81/81 places, 560/560 transitions.
[2026-05-23 19:27:57] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 180 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:27:57] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:27:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11742 resets) in 1024 ms. (975 steps per ms)
BEST_FIRST walk for 1000000 steps (2422 resets) in 542 ms. (1841 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:27:59] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:27:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:27:59] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 19:27:59] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2026-05-23 19:27:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:27:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:27:59] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2026-05-23 19:27:59] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:27:59] [INFO ] [Nat]Added 41 Read/Feed constraints in 34 ms returned sat
[2026-05-23 19:27:59] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 46 ms.
[2026-05-23 19:27:59] [INFO ] Added : 2 causal constraints over 1 iterations in 143 ms. Result :sat
Minimization took 406 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 27 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 12 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:28:00] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:28:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:28:00] [INFO ] Implicit Places using invariants in 194 ms returned []
[2026-05-23 19:28:00] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:28:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:28:00] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:28:00] [INFO ] Implicit Places using invariants and state equation in 406 ms returned []
Implicit Place search using SMT with State Equation took 602 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:28:00] [INFO ] Redundant transitions in 3 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:28:00] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:28:00] [INFO ] Invariant cache hit.
[2026-05-23 19:28:00] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 29394 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59636ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 59639ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60275 ms. Remains : 81/81 places, 560/560 transitions.
[2026-05-23 19:29:00] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 199 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40011 steps (467 resets) in 444 ms. (89 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
[2026-05-23 19:29:01] [INFO ] Flatten gal took : 275 ms
[2026-05-23 19:29:01] [INFO ] Flatten gal took : 121 ms
[2026-05-23 19:29:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14476808414738125902.gal : 87 ms
[2026-05-23 19:29:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13611211084196652201.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14476808414738125902.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13611211084196652201.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 ...330
Loading property file /tmp/ReachabilityCardinality13611211084196652201.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11594 after 164584
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :164584 after 946689
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :946689 after 2.57515e+06
Interrupted probabilistic random walk after 872223 steps, run timeout after 3001 ms. (steps per millisecond=290 ) properties seen :0 out of 1
Probabilistic random walk after 872223 steps, saw 607247 distinct states, run finished after 3007 ms. (steps per millisecond=290 ) properties seen :0
[2026-05-23 19:29:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:29:04] [INFO ] Invariant cache hit.
[2026-05-23 19:29:04] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:29:04] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 3 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.57515e+06 after 5.82942e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:29:04] [INFO ] Deduced a trap along path composed of 11 places in 32 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 577 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 867ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 169 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40004 steps (457 resets) in 218 ms. (182 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (94 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 904737 steps, run timeout after 3001 ms. (steps per millisecond=301 ) properties seen :0 out of 1
Probabilistic random walk after 904737 steps, saw 630728 distinct states, run finished after 3001 ms. (steps per millisecond=301 ) properties seen :0
[2026-05-23 19:29:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:29:08] [INFO ] Invariant cache hit.
[2026-05-23 19:29:08] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:29:08] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:29:08] [INFO ] Deduced a trap along path composed of 11 places in 35 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5.82942e+06 after 1.23656e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 794ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 105 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:29:09] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:29:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:29:09] [INFO ] Implicit Places using invariants in 147 ms returned []
[2026-05-23 19:29:09] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:29:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:29:09] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:29:09] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 588 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:29:09] [INFO ] Redundant transitions in 31 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:29:09] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:29:09] [INFO ] Invariant cache hit.
[2026-05-23 19:29:09] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23656e+07 after 2.53885e+07
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 27097 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Detected timeout of ITS tools.
[2026-05-23 19:29:52] [INFO ] Flatten gal took : 47 ms
[2026-05-23 19:29:52] [INFO ] Applying decomposition
[2026-05-23 19:29:52] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3048980423002210084.txt' '-o' '/tmp/graph3048980423002210084.bin' '-w' '/tmp/graph3048980423002210084.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3048980423002210084.bin' '-l' '-1' '-v' '-w' '/tmp/graph3048980423002210084.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:29:52] [INFO ] Decomposing Gal with order
[2026-05-23 19:29:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:29:52] [INFO ] Removed a total of 1205 redundant transitions.
[2026-05-23 19:29:52] [INFO ] Flatten gal took : 150 ms
[2026-05-23 19:29:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 80 labels/synchronizations in 33 ms.
[2026-05-23 19:29:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7654591921902449726.gal : 13 ms
[2026-05-23 19:29:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2820620642365560436.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/ReachabilityCardinality7654591921902449726.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2820620642365560436.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2820620642365560436.prop.
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57385ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 57388ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58027 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 179 place count 81 transition count 372
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 197 place count 72 transition count 372
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 201 place count 70 transition count 370
Applied a total of 201 rules in 39 ms. Remains 70 /81 variables (removed 11) and now considering 370/560 (removed 190) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 370 rows 70 cols
[2026-05-23 19:30:07] [INFO ] Computed 2 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:30:07] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:07] [INFO ] After 186ms 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
[2026-05-23 19:30:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:07] [INFO ] After 118ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 19:30:07] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-23 19:30:07] [INFO ] After 19ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 19:30:07] [INFO ] After 45ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:30:07] [INFO ] After 224ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:30:07] [INFO ] Flatten gal took : 29 ms
[2026-05-23 19:30:07] [INFO ] Flatten gal took : 28 ms
[2026-05-23 19:30:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14878235621604507849.gal : 5 ms
[2026-05-23 19:30:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8465541069681271796.prop : 5 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/ReachabilityCardinality14878235621604507849.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8465541069681271796.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8465541069681271796.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 14574
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14574 after 31937
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31937 after 78756
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78756 after 2.04724e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.04724e+07 after 1.61322e+08
Detected timeout of ITS tools.
[2026-05-23 19:30:22] [INFO ] Flatten gal took : 69 ms
[2026-05-23 19:30:22] [INFO ] Applying decomposition
[2026-05-23 19:30:22] [INFO ] Flatten gal took : 48 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph566250137227465615.txt' '-o' '/tmp/graph566250137227465615.bin' '-w' '/tmp/graph566250137227465615.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph566250137227465615.bin' '-l' '-1' '-v' '-w' '/tmp/graph566250137227465615.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:30:22] [INFO ] Decomposing Gal with order
[2026-05-23 19:30:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:30:23] [INFO ] Removed a total of 848 redundant transitions.
[2026-05-23 19:30:23] [INFO ] Flatten gal took : 100 ms
[2026-05-23 19:30:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 41 labels/synchronizations in 32 ms.
[2026-05-23 19:30:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14185348179531053037.gal : 18 ms
[2026-05-23 19:30:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7710919451482995270.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/ReachabilityCardinality14185348179531053037.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7710919451482995270.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7710919451482995270.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 5831
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5831 after 8416
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8416 after 9604
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :9604 after 13659
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31192 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-23 19:30:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2026-05-23 19:30:38] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (120 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (28 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:30:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:30:38] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:38] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2026-05-23 19:30:38] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:30:38] [INFO ] [Real]Added 41 Read/Feed constraints in 15 ms returned sat
[2026-05-23 19:30:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 19:30:38] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:38] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2026-05-23 19:30:38] [INFO ] [Nat]Added 41 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:30:38] [INFO ] Deduced a trap composed of 32 places in 122 ms of which 10 ms to minimize.
[2026-05-23 19:30:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2026-05-23 19:30:38] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 39 ms.
[2026-05-23 19:30:38] [INFO ] Added : 2 causal constraints over 1 iterations in 95 ms. Result :sat
Minimization took 353 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 15 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 81/81 places, 560/560 transitions.
[2026-05-23 19:30:39] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 181 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 19:30:39] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11686 resets) in 965 ms. (1035 steps per ms)
BEST_FIRST walk for 1000000 steps (2451 resets) in 504 ms. (1980 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:30:41] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:30:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:41] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2026-05-23 19:30:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:30:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:30:41] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-23 19:30:41] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:30:41] [INFO ] [Nat]Added 41 Read/Feed constraints in 27 ms returned sat
[2026-05-23 19:30:41] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 35 ms.
[2026-05-23 19:30:41] [INFO ] Added : 2 causal constraints over 1 iterations in 92 ms. Result :sat
Minimization took 336 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:30:41] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:30:42] [INFO ] Implicit Places using invariants in 151 ms returned []
[2026-05-23 19:30:42] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:30:42] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:30:42] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 575 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:30:42] [INFO ] Redundant transitions in 16 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:30:42] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:30:42] [INFO ] Invariant cache hit.
[2026-05-23 19:30:42] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 29905 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60141ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 60143ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60758 ms. Remains : 81/81 places, 560/560 transitions.
[2026-05-23 19:31:42] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 174 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:31:42] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:31:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000007 steps (11729 resets) in 1004 ms. (995 steps per ms)
BEST_FIRST walk for 1000001 steps (2440 resets) in 531 ms. (1879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 19:31:44] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:31:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:31:44] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:31:44] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-23 19:31:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 19:31:44] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:31:44] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2026-05-23 19:31:44] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:31:44] [INFO ] [Nat]Added 41 Read/Feed constraints in 37 ms returned sat
[2026-05-23 19:31:44] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 62 ms.
[2026-05-23 19:31:44] [INFO ] Added : 2 causal constraints over 1 iterations in 132 ms. Result :sat
Minimization took 339 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:31:45] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:31:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:31:45] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-05-23 19:31:45] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:31:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:31:45] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:31:46] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 686 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:31:46] [INFO ] Redundant transitions in 7 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:31:46] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:31:46] [INFO ] Invariant cache hit.
[2026-05-23 19:31:46] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60248ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 60250ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60962 ms. Remains : 81/81 places, 560/560 transitions.
[2026-05-23 19:32:46] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40011 steps (458 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
[2026-05-23 19:32:46] [INFO ] Flatten gal took : 28 ms
BEST_FIRST walk for 40003 steps (91 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
[2026-05-23 19:32:46] [INFO ] Flatten gal took : 26 ms
[2026-05-23 19:32:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12918501157286439288.gal : 5 ms
[2026-05-23 19:32:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12035017943620525696.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/ReachabilityCardinality12918501157286439288.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12035017943620525696.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 ...330
Loading property file /tmp/ReachabilityCardinality12035017943620525696.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11594 after 164584
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :164584 after 946689
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :946689 after 2.57515e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.57515e+06 after 5.82942e+06
Interrupted probabilistic random walk after 987517 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 987517 steps, saw 697199 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2026-05-23 19:32:49] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:32:49] [INFO ] Invariant cache hit.
[2026-05-23 19:32:49] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:32:50] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:32:50] [INFO ] Deduced a trap along path composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 732ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 57 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40003 steps (470 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (99 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 987922 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 987922 steps, saw 697529 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2026-05-23 19:32:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
SDD proceeding with computation,1 properties remain. new max is 4096
[2026-05-23 19:32:53] [INFO ] Invariant cache hit.
[2026-05-23 19:32:53] [INFO ] State equation strengthened by 41 read => feed constraints.
SDD size :5.82942e+06 after 1.23656e+07
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:32:54] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 19:32:54] [INFO ] Deduced a trap along path composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 540 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 821ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-23 19:32:54] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:32:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:32:54] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-23 19:32:54] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:32:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 19:32:54] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-23 19:32:54] [INFO ] Implicit Places using invariants and state equation in 369 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 19:32:54] [INFO ] Redundant transitions in 4 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-23 19:32:54] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-23 19:32:54] [INFO ] Invariant cache hit.
[2026-05-23 19:32:54] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23656e+07 after 2.53885e+07
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 28359 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Detected timeout of ITS tools.
[2026-05-23 19:33:36] [INFO ] Flatten gal took : 35 ms
[2026-05-23 19:33:36] [INFO ] Applying decomposition
[2026-05-23 19:33:36] [INFO ] Flatten gal took : 25 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph7487061874872783757.txt' '-o' '/tmp/graph7487061874872783757.bin' '-w' '/tmp/graph7487061874872783757.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7487061874872783757.bin' '-l' '-1' '-v' '-w' '/tmp/graph7487061874872783757.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:33:36] [INFO ] Decomposing Gal with order
[2026-05-23 19:33:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:33:36] [INFO ] Removed a total of 1205 redundant transitions.
[2026-05-23 19:33:36] [INFO ] Flatten gal took : 61 ms
[2026-05-23 19:33:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 62 labels/synchronizations in 20 ms.
[2026-05-23 19:33:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16497282355806709858.gal : 4 ms
[2026-05-23 19:33:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4292424665563622684.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/ReachabilityCardinality16497282355806709858.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4292424665563622684.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4292424665563622684.prop.
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58589ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 58592ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59116 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 179 place count 81 transition count 372
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 197 place count 72 transition count 372
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 201 place count 70 transition count 370
Applied a total of 201 rules in 19 ms. Remains 70 /81 variables (removed 11) and now considering 370/560 (removed 190) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 370 rows 70 cols
[2026-05-23 19:33:53] [INFO ] Computed 2 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 19:33:53] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-23 19:33:53] [INFO ] After 189ms 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
[2026-05-23 19:33:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 19:33:53] [INFO ] After 123ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 19:33:53] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-23 19:33:53] [INFO ] After 20ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 19:33:53] [INFO ] After 49ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:33:53] [INFO ] After 252ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-23 19:33:53] [INFO ] Flatten gal took : 15 ms
[2026-05-23 19:33:53] [INFO ] Flatten gal took : 15 ms
[2026-05-23 19:33:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4867745298321003606.gal : 3 ms
[2026-05-23 19:33:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6814602855063996329.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/ReachabilityCardinality4867745298321003606.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6814602855063996329.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/ReachabilityCardinality6814602855063996329.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 14574
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14574 after 31937
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31937 after 78756
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78756 after 2.04724e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.04724e+07 after 1.61322e+08
Detected timeout of ITS tools.
[2026-05-23 19:34:09] [INFO ] Flatten gal took : 17 ms
[2026-05-23 19:34:09] [INFO ] Applying decomposition
[2026-05-23 19:34:09] [INFO ] Flatten gal took : 15 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12555479009926556815.txt' '-o' '/tmp/graph12555479009926556815.bin' '-w' '/tmp/graph12555479009926556815.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12555479009926556815.bin' '-l' '-1' '-v' '-w' '/tmp/graph12555479009926556815.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:34:09] [INFO ] Decomposing Gal with order
[2026-05-23 19:34:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:34:09] [INFO ] Removed a total of 848 redundant transitions.
[2026-05-23 19:34:09] [INFO ] Flatten gal took : 57 ms
[2026-05-23 19:34:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 43 labels/synchronizations in 28 ms.
[2026-05-23 19:34:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16156375591953885608.gal : 6 ms
[2026-05-23 19:34:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16218288989500457595.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/ReachabilityCardinality16156375591953885608.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16218288989500457595.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16218288989500457595.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 1716
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1716 after 169602
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :169602 after 177006
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :177006 after 221607
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :221607 after 323183
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30957 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02 in 226104 ms.
[2026-05-23 19:34:24] [INFO ] Flatten gal took : 23 ms
[2026-05-23 19:34:24] [INFO ] Applying decomposition
[2026-05-23 19:34:24] [INFO ] Flatten gal took : 21 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8648337166634335534.txt' '-o' '/tmp/graph8648337166634335534.bin' '-w' '/tmp/graph8648337166634335534.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8648337166634335534.bin' '-l' '-1' '-v' '-w' '/tmp/graph8648337166634335534.weights' '-q' '0' '-e' '0.001'
[2026-05-23 19:34:24] [INFO ] Decomposing Gal with order
[2026-05-23 19:34:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 19:34:24] [INFO ] Removed a total of 1205 redundant transitions.
[2026-05-23 19:34:24] [INFO ] Flatten gal took : 44 ms
[2026-05-23 19:34:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 76 labels/synchronizations in 11 ms.
[2026-05-23 19:34:24] [INFO ] Time to serialize gal into /tmp/UpperBounds11752293852540293775.gal : 4 ms
[2026-05-23 19:34:24] [INFO ] Time to serialize properties into /tmp/UpperBounds10594164180657147925.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds11752293852540293775.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10594164180657147925.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds10594164180657147925.prop.
Detected timeout of ITS tools.
[2026-05-23 19:57:18] [INFO ] Flatten gal took : 22 ms
[2026-05-23 19:57:18] [INFO ] Time to serialize gal into /tmp/UpperBounds12966135298406850780.gal : 5 ms
[2026-05-23 19:57:18] [INFO ] Time to serialize properties into /tmp/UpperBounds4966473416042125628.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds12966135298406850780.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4966473416042125628.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 ...305
Loading property file /tmp/UpperBounds4966473416042125628.prop.
Detected timeout of ITS tools.
[2026-05-23 20:20:11] [INFO ] Flatten gal took : 19 ms
[2026-05-23 20:20:11] [INFO ] Input system was already deterministic with 560 transitions.
[2026-05-23 20:20:11] [INFO ] Transformed 81 places.
[2026-05-23 20:20:11] [INFO ] Transformed 560 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-23 20:20:11] [INFO ] Time to serialize gal into /tmp/UpperBounds14444457198022978256.gal : 4 ms
[2026-05-23 20:20:11] [INFO ] Time to serialize properties into /tmp/UpperBounds3771593378039919740.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/UpperBounds14444457198022978256.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3771593378039919740.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--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 ...350
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds3771593378039919740.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="DoubleLock-PT-p3s2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is DoubleLock-PT-p3s2, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r127-smll-177955743800007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s2.tgz
mv DoubleLock-PT-p3s2 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;