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.r047-tall-177946846400032.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)
......................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is BridgeAndVehicles-PT-V50P50N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846400032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.2M
-rw-r--r-- 1 mcc users 23K Mar 5 08:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 5 08:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 134K Mar 5 08:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 539K Mar 5 08:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 15K Mar 15 07:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 15 07:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 63K Mar 15 07:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 201K Mar 15 07:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 57K Mar 5 08:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 336K Mar 5 08:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 322K Mar 5 08:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.3M Mar 5 08:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Mar 15 07:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.1M 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 BridgeAndVehicles-PT-V50P50N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779480854911

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 20:14:16] [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]
[2026-05-22 20:14:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:14:16] [INFO ] Load time of PNML (sax parser for PT used): 131 ms
[2026-05-22 20:14:16] [INFO ] Transformed 128 places.
[2026-05-22 20:14:16] [INFO ] Transformed 1328 transitions.
[2026-05-22 20:14:16] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 228 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 12
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 50, 0, 0, 0, 0, 0, 0, 50, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 50, 0, 0, 0, 0, 0, 0, 50, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-22 20:14:16] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 128 cols
[2026-05-22 20:14:16] [INFO ] Computed 7 invariants in 42 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 50, 0, 0, 0, 0, 0, 0, 50, 0, 0] Max Struct:[50, 50, 50, 50, 1, 1, 1, 1, 50, 50, 1]
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-13 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (22 resets) in 149 ms. (66 steps per ms)
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30002 steps (25 resets) in 124 ms. (240 steps per ms)
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-14 50 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[6, 10] Max Struct:[50, 50]
[2026-05-22 20:14:16] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2026-05-22 20:14:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:14:17] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-22 20:14:17] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-22 20:14:17] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-22 20:14:17] [INFO ] [Real]Added 22 Read/Feed constraints in 25 ms returned sat
[2026-05-22 20:14:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:14:17] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2026-05-22 20:14:17] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-22 20:14:17] [INFO ] [Nat]Added 22 Read/Feed constraints in 26 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:14:17] [INFO ] Deduced a trap composed of 6 places in 211 ms of which 10 ms to minimize.
[2026-05-22 20:14:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 258 ms
[2026-05-22 20:14:17] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 66 ms.
[2026-05-22 20:14:18] [INFO ] Added : 12 causal constraints over 10 iterations in 268 ms. Result :sat
Minimization took 123 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:14:18] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-22 20:14:18] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-22 20:14:18] [INFO ] [Real]Added 22 Read/Feed constraints in 10 ms returned sat
[2026-05-22 20:14:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:14:18] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-22 20:14:18] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-22 20:14:18] [INFO ] [Nat]Added 22 Read/Feed constraints in 16 ms returned sat
[2026-05-22 20:14:18] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 42 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:14:18] [INFO ] Deduced a trap composed of 5 places in 141 ms of which 5 ms to minimize.
[2026-05-22 20:14:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
[2026-05-22 20:14:18] [INFO ] Added : 10 causal constraints over 2 iterations in 307 ms. Result :sat
Minimization took 186 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Graph (complete) has 1222 edges and 128 vertex of which 126 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 168 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2026-05-22 20:14:19] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2026-05-22 20:14:19] [INFO ] Computed 5 invariants in 3 ms
[2026-05-22 20:14:19] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
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Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:14:27] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:14:33] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 2 ms to minimize.
Problem TDEAD728 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD730 is UNSAT
Problem TDEAD731 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD742 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD753 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD764 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD775 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD453 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD497 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD596 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD651 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD673 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD695 is UNSAT
Problem TDEAD706 is UNSAT
Problem TDEAD717 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/376 variables, and 7 constraints, problems are : Problem set: 100 solved, 1225 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1325/1124 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 100 solved, 1225 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/7 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 3 (OVERLAPS) 250/376 variables, 126/133 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 22/155 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 376/376 variables, and 1277 constraints, problems are : Problem set: 102 solved, 1223 unsolved in 21302 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 126/126 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1223/1124 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44394ms problems are : Problem set: 102 solved, 1223 unsolved
Search for dead transitions found 102 dead transitions in 44418ms
Found 102 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 102 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 126/128 places, 1226/1328 transitions.
Applied a total of 0 rules in 61 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44671 ms. Remains : 126/128 places, 1226/1328 transitions.
[2026-05-22 20:15:03] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2026-05-22 20:15:03] [INFO ] Computed 7 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000001 steps (2272 resets) in 4024 ms. (248 steps per ms)
BEST_FIRST walk for 2000000 steps (1683 resets) in 2990 ms. (668 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2026-05-22 20:15:10] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:10] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-22 20:15:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:15:11] [INFO ] [Real]Added 20 Read/Feed constraints in 16 ms returned sat
[2026-05-22 20:15:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Added 20 Read/Feed constraints in 17 ms returned sat
[2026-05-22 20:15:11] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 36 ms.
[2026-05-22 20:15:11] [INFO ] Added : 12 causal constraints over 10 iterations in 255 ms. Result :sat
Minimization took 102 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:11] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 5 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Real]Added 20 Read/Feed constraints in 15 ms returned sat
[2026-05-22 20:15:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-22 20:15:11] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2026-05-22 20:15:11] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 43 ms.
[2026-05-22 20:15:12] [INFO ] Added : 10 causal constraints over 2 iterations in 161 ms. Result :sat
Minimization took 140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 49 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 126/126 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 49 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2026-05-22 20:15:12] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:15:12] [INFO ] Implicit Places using invariants in 306 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 316 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 124/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 46 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 413 ms. Remains : 124/126 places, 1226/1226 transitions.
[2026-05-22 20:15:13] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2026-05-22 20:15:13] [INFO ] Computed 5 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (2273 resets) in 3586 ms. (278 steps per ms)
BEST_FIRST walk for 2000002 steps (1679 resets) in 2628 ms. (760 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2026-05-22 20:15:19] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:19] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-22 20:15:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:15:19] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2026-05-22 20:15:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Nat]Added 20 Read/Feed constraints in 17 ms returned sat
[2026-05-22 20:15:19] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 17 ms.
[2026-05-22 20:15:19] [INFO ] Added : 11 causal constraints over 10 iterations in 211 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:19] [INFO ] [Real]Absence check using 5 positive place invariants in 17 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Real]Added 20 Read/Feed constraints in 9 ms returned sat
[2026-05-22 20:15:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:15:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:15:19] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-22 20:15:20] [INFO ] [Nat]Added 20 Read/Feed constraints in 14 ms returned sat
[2026-05-22 20:15:20] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 19 ms.
[2026-05-22 20:15:20] [INFO ] Added : 10 causal constraints over 2 iterations in 135 ms. Result :sat
Minimization took 153 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 45 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 44 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2026-05-22 20:15:20] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:15:21] [INFO ] Implicit Places using invariants in 245 ms returned []
[2026-05-22 20:15:21] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:15:21] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:15:21] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 758 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:15:21] [INFO ] Redundant transitions in 71 ms returned []
Running 1223 sub problems to find dead transitions.
[2026-05-22 20:15:21] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:21] [INFO ] Invariant cache hit.
[2026-05-22 20:15:21] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:15:28] [INFO ] Deduced a trap composed of 5 places in 129 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SMT process timed out in 32391ms, After SMT, problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 32395ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33275 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40000 steps (88 resets) in 664 ms. (60 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (31 resets) in 173 ms. (229 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (30 resets) in 206 ms. (193 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40006 steps (32 resets) in 191 ms. (208 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40000 steps (32 resets) in 309 ms. (129 steps per ms) remains 4/4 properties
[2026-05-22 20:15:54] [INFO ] Flatten gal took : 271 ms
[2026-05-22 20:15:54] [INFO ] Flatten gal took : 164 ms
[2026-05-22 20:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11569840944189208609.gal : 87 ms
[2026-05-22 20:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7788767316164486475.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/ReachabilityCardinality11569840944189208609.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7788767316164486475.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/ReachabilityCardinality7788767316164486475.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 16
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :16 after 34
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :34 after 68
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :68 after 205
Interrupted probabilistic random walk after 312580 steps, run timeout after 3001 ms. (steps per millisecond=104 ) properties seen :0 out of 4
Probabilistic random walk after 312580 steps, saw 85634 distinct states, run finished after 3004 ms. (steps per millisecond=104 ) properties seen :0
[2026-05-22 20:15:57] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:15:57] [INFO ] Invariant cache hit.
[2026-05-22 20:15:57] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:15:58] [INFO ] Deduced a trap composed of 5 places in 126 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:15:59] [INFO ] Deduced a trap composed of 5 places in 196 ms of which 7 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 151 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1940 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :205 after 2550
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 155 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6973ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 673 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 43 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2026-05-22 20:16:05] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:16:05] [INFO ] Invariant cache hit.
[2026-05-22 20:16:05] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:16:12] [INFO ] Deduced a trap composed of 5 places in 139 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :2550 after 12899
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :12899 after 13039
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :13039 after 13372
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :13372 after 13993
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 124/370 variables, and 6 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/124 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :13993 after 15103
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :15103 after 17031
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Detected timeout of ITS tools.
[2026-05-22 20:16:45] [INFO ] Flatten gal took : 51 ms
[2026-05-22 20:16:45] [INFO ] Applying decomposition
[2026-05-22 20:16:45] [INFO ] Flatten gal took : 45 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/graph5481156998193053566.txt' '-o' '/tmp/graph5481156998193053566.bin' '-w' '/tmp/graph5481156998193053566.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5481156998193053566.bin' '-l' '-1' '-v' '-w' '/tmp/graph5481156998193053566.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:16:45] [INFO ] Decomposing Gal with order
[2026-05-22 20:16:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:16:46] [INFO ] Removed a total of 2134 redundant transitions.
[2026-05-22 20:16:46] [INFO ] Flatten gal took : 609 ms
[2026-05-22 20:16:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 285 labels/synchronizations in 19 ms.
[2026-05-22 20:16:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16796657200932792556.gal : 4 ms
[2026-05-22 20:16:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17382600209072769119.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/ReachabilityCardinality16796657200932792556.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17382600209072769119.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/ReachabilityCardinality17382600209072769119.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 40
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :40 after 65
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :65 after 110
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :110 after 195
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :195 after 296
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :296 after 368
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :368 after 2895
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :2895 after 8710
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :8710 after 57009
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :57009 after 156389
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1372 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 21283 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1222 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43757ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 43762ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43810 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40000 steps (88 resets) in 317 ms. (125 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 123 ms. (322 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (32 resets) in 127 ms. (312 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40010 steps (32 resets) in 133 ms. (298 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (32 resets) in 133 ms. (298 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :329391 after 625445
Interrupted probabilistic random walk after 383264 steps, run timeout after 3001 ms. (steps per millisecond=127 ) properties seen :0 out of 4
Probabilistic random walk after 383264 steps, saw 104751 distinct states, run finished after 3001 ms. (steps per millisecond=127 ) properties seen :0
[2026-05-22 20:16:52] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:16:52] [INFO ] Invariant cache hit.
[2026-05-22 20:16:52] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:16:52] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:16:53] [INFO ] Deduced a trap composed of 5 places in 239 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :4.0545e+06 after 4.14848e+06
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 151 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1377 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 155 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4973 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6364ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1263 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 47 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 47 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2026-05-22 20:17:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:17:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:17:00] [INFO ] Implicit Places using invariants in 220 ms returned []
[2026-05-22 20:17:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:17:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:17:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:17:00] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 724 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:17:00] [INFO ] Redundant transitions in 23 ms returned []
Running 1223 sub problems to find dead transitions.
[2026-05-22 20:17:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:17:00] [INFO ] Invariant cache hit.
[2026-05-22 20:17:00] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :3.42084e+07 after 3.92845e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:17:08] [INFO ] Deduced a trap composed of 5 places in 150 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SMT process timed out in 32713ms, After SMT, problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 32717ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33518 ms. Remains : 124/124 places, 1226/1226 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 124 transition count 246
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 984 place count 122 transition count 244
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 986 place count 122 transition count 242
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 988 place count 120 transition count 242
Applied a total of 988 rules in 39 ms. Remains 120 /124 variables (removed 4) and now considering 242/1226 (removed 984) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 242 rows 120 cols
[2026-05-22 20:17:33] [INFO ] Computed 5 invariants in 5 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 20:17:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:17:33] [INFO ] After 291ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 20:17:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:17:34] [INFO ] After 178ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2026-05-22 20:17:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-22 20:17:34] [INFO ] After 126ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2026-05-22 20:17:34] [INFO ] After 289ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2026-05-22 20:17:34] [INFO ] After 654ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2026-05-22 20:17:34] [INFO ] Flatten gal took : 14 ms
[2026-05-22 20:17:34] [INFO ] Flatten gal took : 12 ms
[2026-05-22 20:17:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2125941906602991749.gal : 4 ms
[2026-05-22 20:17:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10979894583258940464.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/ReachabilityCardinality2125941906602991749.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10979894583258940464.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/ReachabilityCardinality10979894583258940464.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :12 after 20
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :20 after 60
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :60 after 140
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :140 after 280
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :280 after 840
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :840 after 3993
Invariant property MIN1 does not hold.
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :3993 after 52210
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :52210 after 214120
Reachability property MAX1 is true.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :214120 after 1.05631e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.05631e+06 after 1.08262e+06
Detected timeout of ITS tools.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.08262e+06 after 1.15195e+06
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.15195e+06 after 1.38488e+06
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.38488e+06 after 1.7174e+06
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :1.7174e+06 after 4.26639e+06
Detected timeout of ITS tools.
[2026-05-22 20:17:49] [INFO ] Flatten gal took : 10 ms
[2026-05-22 20:17:49] [INFO ] Applying decomposition
[2026-05-22 20:17:49] [INFO ] Flatten gal took : 10 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/graph17675620284449357307.txt' '-o' '/tmp/graph17675620284449357307.bin' '-w' '/tmp/graph17675620284449357307.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17675620284449357307.bin' '-l' '-1' '-v' '-w' '/tmp/graph17675620284449357307.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:17:49] [INFO ] Decomposing Gal with order
[2026-05-22 20:17:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:17:49] [INFO ] Removed a total of 302 redundant transitions.
[2026-05-22 20:17:49] [INFO ] Flatten gal took : 20 ms
[2026-05-22 20:17:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 231 labels/synchronizations in 6 ms.
[2026-05-22 20:17:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8206883072492347190.gal : 3 ms
[2026-05-22 20:17:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8382384808166331337.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/ReachabilityCardinality8206883072492347190.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8382384808166331337.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/ReachabilityCardinality8382384808166331337.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 3416
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :3416 after 21164
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :21164 after 71503
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :71503 after 166745
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :166745 after 320400
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :320400 after 490437
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :490437 after 2.39572e+07
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :8.73958e+07 after 1.09198e+08
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.177e+08 after 3.65759e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31238 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 10] Max Struct:[50, 50]
Starting property specific reduction for BridgeAndVehicles-PT-V50P50N10-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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2026-05-22 20:18:04] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2026-05-22 20:18:04] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (22 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2026-05-22 20:18:04] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:18:04] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:18:04] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-22 20:18:04] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:18:04] [INFO ] [Real]Added 20 Read/Feed constraints in 23 ms returned sat
[2026-05-22 20:18:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:18:05] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:18:05] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-22 20:18:05] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2026-05-22 20:18:05] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 22 ms.
[2026-05-22 20:18:05] [INFO ] Added : 11 causal constraints over 10 iterations in 220 ms. Result :sat
Minimization took 81 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 51 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:18:05] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2026-05-22 20:18:05] [INFO ] Computed 5 invariants in 4 ms
[2026-05-22 20:18:05] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:18:12] [INFO ] Deduced a trap composed of 5 places in 143 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 49.0)
(s53 1.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 21313 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43611ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43614ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43668 ms. Remains : 123/124 places, 1225/1226 transitions.
[2026-05-22 20:18:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:18:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 3789 ms. (263 steps per ms)
BEST_FIRST walk for 1000001 steps (1029 resets) in 1459 ms. (684 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2026-05-22 20:18:54] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:18:54] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:18:54] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-22 20:18:54] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:18:54] [INFO ] [Real]Added 20 Read/Feed constraints in 15 ms returned sat
[2026-05-22 20:18:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:18:54] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:18:54] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-22 20:18:54] [INFO ] [Nat]Added 20 Read/Feed constraints in 23 ms returned sat
[2026-05-22 20:18:54] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 20 ms.
[2026-05-22 20:18:55] [INFO ] Added : 12 causal constraints over 10 iterations in 221 ms. Result :sat
Minimization took 103 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 53 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 49 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:18:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:18:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:18:55] [INFO ] Implicit Places using invariants in 223 ms returned []
[2026-05-22 20:18:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:18:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:18:55] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:18:56] [INFO ] Implicit Places using invariants and state equation in 533 ms returned []
Implicit Place search using SMT with State Equation took 758 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:18:56] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:18:56] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:18:56] [INFO ] Invariant cache hit.
[2026-05-22 20:18:56] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:19:03] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 32749ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 32753ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33586 ms. Remains : 123/123 places, 1225/1225 transitions.
[2026-05-22 20:19:29] [INFO ] Flatten gal took : 36 ms
[2026-05-22 20:19:29] [INFO ] Flatten gal took : 37 ms
[2026-05-22 20:19:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17442274775816690526.gal : 13 ms
[2026-05-22 20:19:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1059039707457117232.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/ReachabilityCardinality17442274775816690526.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1059039707457117232.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
RANDOM walk for 40000 steps (104 resets) in 499 ms. (80 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (40 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (40 resets) in 122 ms. (325 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1059039707457117232.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 30
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :30 after 72
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :72 after 159
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :159 after 467
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :467 after 1223
SDD proceeding with computation,2 properties remain. new max is 1024
Interrupted probabilistic random walk after 404661 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 2
Probabilistic random walk after 404661 steps, saw 114470 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2026-05-22 20:19:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:19:32] [INFO ] Invariant cache hit.
[2026-05-22 20:19:32] [INFO ] State equation strengthened by 20 read => feed constraints.
SDD size :6324 after 6392
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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:19:32] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 633 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6392 after 6828
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1688 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2346ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 68 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 43 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:19:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:19:34] [INFO ] Invariant cache hit.
[2026-05-22 20:19:34] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6828 after 7656
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7656 after 9045
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:19:41] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :9045 after 9813
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 21372 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43776ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43779ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43825 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 458 ms. (87 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (40 resets) in 197 ms. (202 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 143 ms. (277 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-22 20:20:19] [INFO ] Flatten gal took : 48 ms
[2026-05-22 20:20:19] [INFO ] Applying decomposition
[2026-05-22 20:20:19] [INFO ] Flatten gal took : 35 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/graph15853261755935621215.txt' '-o' '/tmp/graph15853261755935621215.bin' '-w' '/tmp/graph15853261755935621215.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15853261755935621215.bin' '-l' '-1' '-v' '-w' '/tmp/graph15853261755935621215.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:20:19] [INFO ] Decomposing Gal with order
[2026-05-22 20:20:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:20:19] [INFO ] Removed a total of 2647 redundant transitions.
[2026-05-22 20:20:19] [INFO ] Flatten gal took : 228 ms
[2026-05-22 20:20:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 317 labels/synchronizations in 15 ms.
[2026-05-22 20:20:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4120394407046763857.gal : 2 ms
[2026-05-22 20:20:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16431131031893427098.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/ReachabilityCardinality4120394407046763857.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16431131031893427098.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/ReachabilityCardinality16431131031893427098.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 20
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :20 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 34
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :34 after 51
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :51 after 98
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :98 after 5632
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :5632 after 17552
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :17552 after 41399
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :41399 after 108082
Interrupted probabilistic random walk after 350873 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 2
Probabilistic random walk after 350873 steps, saw 99921 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2026-05-22 20:20:21] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:20:21] [INFO ] Invariant cache hit.
[2026-05-22 20:20:21] [INFO ] State equation strengthened by 20 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :108082 after 203242
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:20:22] [INFO ] Deduced a trap composed of 5 places in 150 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/137 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 2 unsolved in 915 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :203242 after 374863
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1701 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2639ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 44 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 41 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:20:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:20:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:20:24] [INFO ] Implicit Places using invariants in 264 ms returned []
[2026-05-22 20:20:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:20:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:20:24] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:20:25] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 802 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:20:25] [INFO ] Redundant transitions in 13 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:20:25] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:20:25] [INFO ] Invariant cache hit.
[2026-05-22 20:20:25] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.2155e+06 after 3.37003e+06
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:20:32] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.46768e+07 after 2.49942e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 32259ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 32261ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33124 ms. Remains : 123/123 places, 1225/1225 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 123 transition count 245
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 984 place count 121 transition count 243
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 986 place count 121 transition count 241
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 988 place count 119 transition count 241
Applied a total of 988 rules in 23 ms. Remains 119 /123 variables (removed 4) and now considering 241/1225 (removed 984) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 241 rows 119 cols
[2026-05-22 20:20:57] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 20:20:57] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:20:57] [INFO ] After 150ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 20:20:57] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-22 20:20:58] [INFO ] After 82ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-22 20:20:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-22 20:20:58] [INFO ] After 50ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-22 20:20:58] [INFO ] After 119ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-22 20:20:58] [INFO ] After 287ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-22 20:20:58] [INFO ] Flatten gal took : 10 ms
[2026-05-22 20:20:58] [INFO ] Flatten gal took : 16 ms
[2026-05-22 20:20:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9048501325684152982.gal : 2 ms
[2026-05-22 20:20:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11368558047389045757.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/ReachabilityCardinality9048501325684152982.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11368558047389045757.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/ReachabilityCardinality11368558047389045757.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 138
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 488
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :488 after 969
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :969 after 14279
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :14279 after 25475
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.80321e+07 after 1.86932e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.46211e+08 after 3.4794e+08
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.16745e+09,0.562994,22492,2,5564,19,105018,7,0,719,42929,0
Total reachable state count : 1167450000

Verifying 2 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,50854,0.564036,22620,2,1447,19,105018,7,0,721,42929,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,50854,0.56475,22620,2,1447,19,105018,8,0,722,42929,0
Over-approximation ignoring read arcs solved 0 properties in 1072 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:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-PT-V50P50N10-UpperBounds-02 in 174054 ms.
Starting property specific reduction for BridgeAndVehicles-PT-V50P50N10-UpperBounds-03
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2026-05-22 20:20:58] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2026-05-22 20:20:58] [INFO ] Computed 5 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (22 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2026-05-22 20:20:58] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2026-05-22 20:20:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:20:58] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:20:58] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-22 20:20:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:20:58] [INFO ] [Real]Added 20 Read/Feed constraints in 12 ms returned sat
[2026-05-22 20:20:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:20:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:20:59] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-22 20:20:59] [INFO ] [Nat]Added 20 Read/Feed constraints in 15 ms returned sat
[2026-05-22 20:20:59] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 17 ms.
[2026-05-22 20:20:59] [INFO ] Added : 10 causal constraints over 2 iterations in 130 ms. Result :sat
Minimization took 152 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 48 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:20:59] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2026-05-22 20:20:59] [INFO ] Computed 5 invariants in 1 ms
[2026-05-22 20:20:59] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:21:06] [INFO ] Deduced a trap composed of 5 places in 124 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
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(s6 0.0)
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(s8 0.0)
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(s10 0.0)
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(s12 0.0)
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(s15 0.0)
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(s43 1.0)
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(s53 50.0)
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(s57 0.0)
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(s66 0.0)
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(s77 0.0)
(s78 0.0)
(s79 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20956 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43423ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43425ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43476 ms. Remains : 123/124 places, 1225/1226 transitions.
[2026-05-22 20:21:43] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:21:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2623 resets) in 3731 ms. (267 steps per ms)
BEST_FIRST walk for 1000000 steps (1084 resets) in 1553 ms. (643 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2026-05-22 20:21:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:21:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:21:48] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-22 20:21:48] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-22 20:21:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:21:48] [INFO ] [Real]Added 20 Read/Feed constraints in 17 ms returned sat
[2026-05-22 20:21:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 20:21:48] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 20:21:48] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-22 20:21:48] [INFO ] [Nat]Added 20 Read/Feed constraints in 19 ms returned sat
[2026-05-22 20:21:48] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 16 ms.
[2026-05-22 20:21:48] [INFO ] Added : 11 causal constraints over 3 iterations in 97 ms. Result :sat
Minimization took 105 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 42 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 41 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:21:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:21:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:21:49] [INFO ] Implicit Places using invariants in 214 ms returned []
[2026-05-22 20:21:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:21:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:21:49] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:21:49] [INFO ] Implicit Places using invariants and state equation in 556 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:21:49] [INFO ] Redundant transitions in 15 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:21:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:21:49] [INFO ] Invariant cache hit.
[2026-05-22 20:21:49] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:21:56] [INFO ] Deduced a trap composed of 5 places in 139 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 32453ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 32455ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33293 ms. Remains : 123/123 places, 1225/1225 transitions.
[2026-05-22 20:22:22] [INFO ] Flatten gal took : 29 ms
[2026-05-22 20:22:22] [INFO ] Flatten gal took : 35 ms
[2026-05-22 20:22:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1648343493734998957.gal : 6 ms
[2026-05-22 20:22:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5606914717362574362.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/ReachabilityCardinality1648343493734998957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5606914717362574362.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
RANDOM walk for 40000 steps (104 resets) in 330 ms. (120 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40005 steps (41 resets) in 156 ms. (254 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (41 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5606914717362574362.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 36
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :36 after 100
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :100 after 233
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :233 after 566
Interrupted probabilistic random walk after 418314 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 2
Probabilistic random walk after 418314 steps, saw 115972 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
[2026-05-22 20:22:25] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:22:25] [INFO ] Invariant cache hit.
[2026-05-22 20:22:25] [INFO ] State equation strengthened by 20 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :566 after 1014
[2026-05-22 20:22:25] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:22:25] [INFO ] Deduced a trap composed of 4 places in 95 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 732 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2194 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2936ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 314 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 43 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:22:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:22:28] [INFO ] Invariant cache hit.
[2026-05-22 20:22:28] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1014 after 4275
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:22:35] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :32724 after 32735
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :32735 after 33348
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :33348 after 34963
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :34963 after 40227
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20909 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43268ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43317 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 275 ms. (144 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (41 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40006 steps (40 resets) in 118 ms. (336 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-22 20:23:12] [INFO ] Flatten gal took : 33 ms
[2026-05-22 20:23:12] [INFO ] Applying decomposition
[2026-05-22 20:23:12] [INFO ] Flatten gal took : 28 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/graph13087936129570499298.txt' '-o' '/tmp/graph13087936129570499298.bin' '-w' '/tmp/graph13087936129570499298.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13087936129570499298.bin' '-l' '-1' '-v' '-w' '/tmp/graph13087936129570499298.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:23:12] [INFO ] Decomposing Gal with order
[2026-05-22 20:23:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:23:13] [INFO ] Removed a total of 3156 redundant transitions.
[2026-05-22 20:23:13] [INFO ] Flatten gal took : 258 ms
[2026-05-22 20:23:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 400 labels/synchronizations in 24 ms.
[2026-05-22 20:23:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10161196452449942079.gal : 3 ms
[2026-05-22 20:23:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18055133074016301233.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/ReachabilityCardinality10161196452449942079.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18055133074016301233.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/ReachabilityCardinality18055133074016301233.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 20
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :20 after 37
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :37 after 51
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :51 after 51
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :51 after 51
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :51 after 51
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :34361 after 46561
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :82051 after 98902
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :508020 after 556169
Interrupted probabilistic random walk after 335666 steps, run timeout after 3001 ms. (steps per millisecond=111 ) properties seen :0 out of 2
Probabilistic random walk after 335666 steps, saw 93046 distinct states, run finished after 3001 ms. (steps per millisecond=111 ) properties seen :0
[2026-05-22 20:23:15] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:23:15] [INFO ] Invariant cache hit.
[2026-05-22 20:23:15] [INFO ] State equation strengthened by 20 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:23:15] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.9089e+06 after 4.0517e+06
[2026-05-22 20:23:15] [INFO ] Deduced a trap composed of 4 places in 92 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 727 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2202 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2937ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 268 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 44 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2026-05-22 20:23:18] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:23:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:23:18] [INFO ] Implicit Places using invariants in 206 ms returned []
[2026-05-22 20:23:18] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:23:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:23:18] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-22 20:23:19] [INFO ] Implicit Places using invariants and state equation in 574 ms returned []
Implicit Place search using SMT with State Equation took 782 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 20:23:19] [INFO ] Redundant transitions in 16 ms returned []
Running 1222 sub problems to find dead transitions.
[2026-05-22 20:23:19] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2026-05-22 20:23:19] [INFO ] Invariant cache hit.
[2026-05-22 20:23:19] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:23:26] [INFO ] Deduced a trap composed of 5 places in 139 ms of which 4 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :7.34493e+07 after 7.35554e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1221/1370 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1370 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62949ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 62951ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63804 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-PT-V50P50N10-UpperBounds-03 in 203542 ms.
[2026-05-22 20:24:22] [INFO ] Flatten gal took : 29 ms
[2026-05-22 20:24:22] [INFO ] Applying decomposition
[2026-05-22 20:24:22] [INFO ] Flatten gal took : 28 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/graph284505152726153145.txt' '-o' '/tmp/graph284505152726153145.bin' '-w' '/tmp/graph284505152726153145.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph284505152726153145.bin' '-l' '-1' '-v' '-w' '/tmp/graph284505152726153145.weights' '-q' '0' '-e' '0.001'
[2026-05-22 20:24:22] [INFO ] Decomposing Gal with order
[2026-05-22 20:24:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 20:24:22] [INFO ] Removed a total of 2505 redundant transitions.
[2026-05-22 20:24:22] [INFO ] Flatten gal took : 157 ms
[2026-05-22 20:24:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 345 labels/synchronizations in 11 ms.
[2026-05-22 20:24:22] [INFO ] Time to serialize gal into /tmp/UpperBounds16393319339354883784.gal : 2 ms
[2026-05-22 20:24:22] [INFO ] Time to serialize properties into /tmp/UpperBounds7385347880900268454.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/UpperBounds16393319339354883784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7385347880900268454.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 ...284
Loading property file /tmp/UpperBounds7385347880900268454.prop.
Detected timeout of ITS tools.
[2026-05-22 20:47:44] [INFO ] Flatten gal took : 28 ms
[2026-05-22 20:47:44] [INFO ] Time to serialize gal into /tmp/UpperBounds4018450053134915284.gal : 6 ms
[2026-05-22 20:47:44] [INFO ] Time to serialize properties into /tmp/UpperBounds2053166218024889763.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/UpperBounds4018450053134915284.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2053166218024889763.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 ...304
Loading property file /tmp/UpperBounds2053166218024889763.prop.
Detected timeout of ITS tools.
[2026-05-22 21:11:09] [INFO ] Flatten gal took : 225 ms
[2026-05-22 21:11:28] [INFO ] Input system was already deterministic with 1226 transitions.
[2026-05-22 21:11:28] [INFO ] Transformed 124 places.
[2026-05-22 21:11:28] [INFO ] Transformed 1226 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
[2026-05-22 21:11:28] [INFO ] Time to serialize gal into /tmp/UpperBounds10010061294359591069.gal : 32 ms
[2026-05-22 21:11:28] [INFO ] Time to serialize properties into /tmp/UpperBounds7552181540587279678.prop : 2 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/UpperBounds10010061294359591069.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7552181540587279678.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/UpperBounds7552181540587279678.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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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="BridgeAndVehicles-PT-V50P50N10"
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 BridgeAndVehicles-PT-V50P50N10, 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 r047-tall-177946846400032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N10.tgz
mv BridgeAndVehicles-PT-V50P50N10 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 ;