Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889264000373.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is RingSingleMessageInMbox-PT-d0m010, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889264000373
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 64K May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m010-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749066813947

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d0m010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-04 19:53:35] [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]
[2025-06-04 19:53:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 19:53:35] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2025-06-04 19:53:35] [INFO ] Transformed 385 places.
[2025-06-04 19:53:35] [INFO ] Transformed 59 transitions.
[2025-06-04 19:53:35] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 144 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 329 places in 1 ms
Reduce places removed 329 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
// Phase 1: matrix 59 rows 56 cols
[2025-06-04 19:53:35] [INFO ] Computed 5 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 7]
RANDOM walk for 10000 steps (2159 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 20002 steps (1813 resets) in 35 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 7]
[2025-06-04 19:53:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:35] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2025-06-04 19:53:35] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-04 19:53:35] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2025-06-04 19:53:35] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-04 19:53:35] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2025-06-04 19:53:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-04 19:53:35] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 6 ms returned sat
[2025-06-04 19:53:35] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-04 19:53:35] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:35] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:35] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:35] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 3 ms to minimize.
[2025-06-04 19:53:35] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 191 ms
[2025-06-04 19:53:35] [INFO ] Computed and/alt/rep : 18/36/18 causal constraints (skipped 40 transitions) in 10 ms.
[2025-06-04 19:53:35] [INFO ] Added : 9 causal constraints over 2 iterations in 44 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:36] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2025-06-04 19:53:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:36] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-04 19:53:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:36] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 5 ms to minimize.
[2025-06-04 19:53:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2025-06-04 19:53:36] [INFO ] Computed and/alt/rep : 18/36/18 causal constraints (skipped 40 transitions) in 6 ms.
[2025-06-04 19:53:36] [INFO ] Added : 10 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 7]
Support contains 2 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 59/59 transitions.
Graph (complete) has 148 edges and 56 vertex of which 53 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 53 transition count 56
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 9 place count 48 transition count 49
Iterating global reduction 1 with 5 rules applied. Total rules applied 14 place count 48 transition count 49
Applied a total of 14 rules in 32 ms. Remains 48 /56 variables (removed 8) and now considering 49/59 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 48/56 places, 49/59 transitions.
// Phase 1: matrix 49 rows 48 cols
[2025-06-04 19:53:36] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 7]
RANDOM walk for 1000000 steps (217433 resets) in 851 ms. (1173 steps per ms)
BEST_FIRST walk for 2000000 steps (187684 resets) in 699 ms. (2857 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 7]
[2025-06-04 19:53:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-04 19:53:38] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:53:38] [INFO ] [Real]Added 19 Read/Feed constraints in 9 ms returned sat
[2025-06-04 19:53:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Added 19 Read/Feed constraints in 3 ms returned sat
[2025-06-04 19:53:38] [INFO ] Computed and/alt/rep : 13/26/13 causal constraints (skipped 35 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:38] [INFO ] Deduced a trap composed of 26 places in 32 ms of which 3 ms to minimize.
[2025-06-04 19:53:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2025-06-04 19:53:38] [INFO ] Added : 9 causal constraints over 3 iterations in 68 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Real]Added 19 Read/Feed constraints in 3 ms returned sat
[2025-06-04 19:53:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-04 19:53:38] [INFO ] [Nat]Added 19 Read/Feed constraints in 4 ms returned sat
[2025-06-04 19:53:38] [INFO ] Computed and/alt/rep : 13/26/13 causal constraints (skipped 35 transitions) in 7 ms.
[2025-06-04 19:53:38] [INFO ] Added : 11 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 7]
Support contains 2 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 49/49 transitions.
Applied a total of 0 rules in 3 ms. Remains 48 /48 variables (removed 0) and now considering 49/49 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 48/48 places, 49/49 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 49/49 transitions.
Applied a total of 0 rules in 3 ms. Remains 48 /48 variables (removed 0) and now considering 49/49 (removed 0) transitions.
[2025-06-04 19:53:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:38] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-04 19:53:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:38] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-04 19:53:38] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:53:38] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-04 19:53:38] [INFO ] Invariant cache hit.
[2025-06-04 19:53:38] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 1/48 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD45 is UNSAT
At refinement iteration 4 (OVERLAPS) 49/97 variables, 48/52 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 19/71 constraints. Problems are: Problem set: 5 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:39] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 1/72 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 0/72 constraints. Problems are: Problem set: 5 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:40] [INFO ] Deduced a trap along path composed of 13 places in 39 ms of which 18 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/97 variables, 1/73 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/97 variables, 0/73 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 0/97 variables, 0/73 constraints. Problems are: Problem set: 5 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 97/97 variables, and 73 constraints, problems are : Problem set: 5 solved, 43 unsolved in 2541 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 48/48 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 5 solved, 43 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 4/47 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 2/3 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/3 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 4 (OVERLAPS) 1/48 variables, 1/4 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 1/5 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/5 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 49/97 variables, 48/53 constraints. Problems are: Problem set: 5 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 19/72 constraints. Problems are: Problem set: 5 solved, 43 unsolved
Problem TDEAD41 is UNSAT
At refinement iteration 9 (INCLUDED_ONLY) 0/97 variables, 43/115 constraints. Problems are: Problem set: 6 solved, 42 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/97 variables, 1/116 constraints. Problems are: Problem set: 6 solved, 42 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/97 variables, 0/116 constraints. Problems are: Problem set: 6 solved, 42 unsolved
At refinement iteration 12 (OVERLAPS) 0/97 variables, 0/116 constraints. Problems are: Problem set: 6 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Int declared 97/97 variables, and 116 constraints, problems are : Problem set: 6 solved, 42 unsolved in 2901 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 48/48 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 43/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5518ms problems are : Problem set: 6 solved, 42 unsolved
Search for dead transitions found 6 dead transitions in 5524ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 48/48 places, 43/49 transitions.
Graph (complete) has 114 edges and 48 vertex of which 43 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 0 output transitions
Reduce places removed 0 places and 1 transitions.
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 6 ms. Remains 43 /48 variables (removed 5) and now considering 42/43 (removed 1) transitions.
// Phase 1: matrix 42 rows 43 cols
[2025-06-04 19:53:44] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:44] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-04 19:53:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:44] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:44] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 43/48 places, 42/49 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 5807 ms. Remains : 43/48 places, 42/49 transitions.
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 42 rows 42 cols
[2025-06-04 19:53:44] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 7]
RANDOM walk for 1000000 steps (216976 resets) in 594 ms. (1680 steps per ms)
BEST_FIRST walk for 1000000 steps (94154 resets) in 320 ms. (3115 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 7]
[2025-06-04 19:53:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-04 19:53:45] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-04 19:53:45] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:45] [INFO ] [Real]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-04 19:53:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:45] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-04 19:53:45] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2025-06-04 19:53:45] [INFO ] Computed and/alt/rep : 11/18/11 causal constraints (skipped 30 transitions) in 2 ms.
[2025-06-04 19:53:45] [INFO ] Added : 9 causal constraints over 3 iterations in 15 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 7]
Support contains 1 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 42/42 places, 42/42 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 42/42 (removed 0) transitions.
[2025-06-04 19:53:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:45] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 19:53:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:45] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:45] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 126 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:53:45] [INFO ] Redundant transitions in 0 ms returned []
Running 41 sub problems to find dead transitions.
[2025-06-04 19:53:45] [INFO ] Invariant cache hit.
[2025-06-04 19:53:45] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/84 variables, 42/45 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 16/61 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:45] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 62 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1067 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 42/42 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/84 variables, 42/45 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 16/61 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 41/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/84 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 103 constraints, problems are : Problem set: 0 solved, 41 unsolved in 2379 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 42/42 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3465ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 3465ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3600 ms. Remains : 42/42 places, 42/42 transitions.
RANDOM walk for 40000 steps (8633 resets) in 522 ms. (76 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3738 resets) in 325 ms. (122 steps per ms) remains 2/2 properties
[2025-06-04 19:53:49] [INFO ] Flatten gal took : 35 ms
[2025-06-04 19:53:49] [INFO ] Flatten gal took : 8 ms
BEST_FIRST walk for 40001 steps (3717 resets) in 204 ms. (195 steps per ms) remains 2/2 properties
[2025-06-04 19:53:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6648427870093661101.gal : 7 ms
[2025-06-04 19:53:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16903601347391113784.prop : 4 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/ReachabilityCardinality6648427870093661101.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16903601347391113784.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
Probably explored full state space saw : 26295 states, properties seen :1
Probabilistic random walk after 68421 steps, saw 26295 distinct states, run finished after 273 ms. (steps per millisecond=250 ) properties seen :1
Loading property file /tmp/ReachabilityCardinality16903601347391113784.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 32
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :32 after 64
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :64 after 160
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :160 after 312
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :312 after 535
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :535 after 4560
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4560 after 11084
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,26295,0.084037,7076,2,1784,13,12446,8,0,214,10362,0
Total reachable state count : 26295

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.084526,7204,1,0,13,12446,8,0,215,10362,0
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
MIN0,28,0.085132,7332,2,136,13,12446,8,0,216,10362,0
ITS tools runner thread asked to quit. Dying gracefully.
Explored full state space saw : 26295 states, properties seen :0
Exhaustive walk after 68421 steps, saw 26295 distinct states, run finished after 84 ms. (steps per millisecond=814 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0] Max Struct:[12, 7]
Starting property specific reduction for RingSingleMessageInMbox-PT-d0m010-UpperBounds-10
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:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[12]
[2025-06-04 19:53:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 10000 steps (2194 resets) in 6 ms. (1428 steps per ms)
BEST_FIRST walk for 10000 steps (944 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-04 19:53:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:49] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-04 19:53:49] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:49] [INFO ] [Real]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-04 19:53:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:53:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:49] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-04 19:53:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-04 19:53:49] [INFO ] Computed and/alt/rep : 11/18/11 causal constraints (skipped 30 transitions) in 2 ms.
[2025-06-04 19:53:49] [INFO ] Added : 9 causal constraints over 3 iterations in 14 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 42/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 42 /42 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 42/42 places, 42/42 transitions.
[2025-06-04 19:53:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 1000000 steps (216897 resets) in 565 ms. (1766 steps per ms)
BEST_FIRST walk for 1000000 steps (94310 resets) in 306 ms. (3257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-04 19:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-04 19:53:50] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-04 19:53:50] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:50] [INFO ] [Real]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-04 19:53:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:53:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-04 19:53:50] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-04 19:53:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2025-06-04 19:53:50] [INFO ] Computed and/alt/rep : 11/18/11 causal constraints (skipped 30 transitions) in 3 ms.
[2025-06-04 19:53:50] [INFO ] Added : 9 causal constraints over 3 iterations in 18 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 42/42 places, 42/42 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 42/42 (removed 0) transitions.
[2025-06-04 19:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:50] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 19:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 19:53:51] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-04 19:53:51] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 19:53:51] [INFO ] Redundant transitions in 0 ms returned []
Running 41 sub problems to find dead transitions.
[2025-06-04 19:53:51] [INFO ] Invariant cache hit.
[2025-06-04 19:53:51] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/84 variables, 42/45 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 16/61 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 19:53:51] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 62 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1050 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 42/42 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (OVERLAPS) 42/84 variables, 42/45 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 16/61 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 41/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/84 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 103 constraints, problems are : Problem set: 0 solved, 41 unsolved in 2402 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 42/42 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3469ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 3470ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3590 ms. Remains : 42/42 places, 42/42 transitions.
[2025-06-04 19:53:54] [INFO ] Flatten gal took : 24 ms
RANDOM walk for 40000 steps (8551 resets) in 154 ms. (258 steps per ms) remains 2/2 properties
[2025-06-04 19:53:54] [INFO ] Flatten gal took : 17 ms
[2025-06-04 19:53:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13280908513189256507.gal : 2 ms
[2025-06-04 19:53:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11952575610344570143.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/ReachabilityCardinality13280908513189256507.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11952575610344570143.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11952575610344570143.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40003 steps (3807 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 32
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :32 after 64
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :64 after 160
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :160 after 312
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :312 after 535
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :535 after 4560
BEST_FIRST walk for 40002 steps (3772 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4560 after 11084
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,26295,0.074321,7096,2,1784,13,12446,8,0,214,10362,0
Total reachable state count : 26295

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.074737,7224,1,0,13,12446,8,0,215,10362,0
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
MIN0,28,0.075291,7352,2,136,13,12446,8,0,216,10362,0
ITS tools runner thread asked to quit. Dying gracefully.
Probably explored full state space saw : 26295 states, properties seen :1
Probabilistic random walk after 68421 steps, saw 26295 distinct states, run finished after 67 ms. (steps per millisecond=1021 ) properties seen :1
Explored full state space saw : 26295 states, properties seen :0
Exhaustive walk after 68421 steps, saw 26295 distinct states, run finished after 36 ms. (steps per millisecond=1900 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[12]
Ending property specific reduction for RingSingleMessageInMbox-PT-d0m010-UpperBounds-10 in 5023 ms.
[2025-06-04 19:53:54] [INFO ] Flatten gal took : 5 ms
[2025-06-04 19:53:54] [INFO ] Applying decomposition
[2025-06-04 19:53:54] [INFO ] Flatten gal took : 4 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/graph12861359301687033271.txt' '-o' '/tmp/graph12861359301687033271.bin' '-w' '/tmp/graph12861359301687033271.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12861359301687033271.bin' '-l' '-1' '-v' '-w' '/tmp/graph12861359301687033271.weights' '-q' '0' '-e' '0.001'
[2025-06-04 19:53:55] [INFO ] Decomposing Gal with order
[2025-06-04 19:53:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 19:53:55] [INFO ] Removed a total of 32 redundant transitions.
[2025-06-04 19:53:55] [INFO ] Flatten gal took : 35 ms
[2025-06-04 19:53:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 5 ms.
[2025-06-04 19:53:55] [INFO ] Time to serialize gal into /tmp/UpperBounds9982051279988808357.gal : 3 ms
[2025-06-04 19:53:55] [INFO ] Time to serialize properties into /tmp/UpperBounds10702055991808220120.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/UpperBounds9982051279988808357.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10702055991808220120.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/UpperBounds10702055991808220120.prop.
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\_mod\_flat,26295,0.130517,11388,524,453,7577,4570,153,40869,55,31842,0
Total reachable state count : 26295

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property RingSingleMessageInMbox-PT-d0m010-UpperBounds-10 :0 <= i5.u8.p16 <= 1
FORMULA RingSingleMessageInMbox-PT-d0m010-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
RingSingleMessageInMbox-PT-d0m010-UpperBounds-10,0,0.142628,11388,1,0,7577,4570,215,40869,76,31842,308
Total runtime 20175 ms.

BK_STOP 1749066835308

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="RingSingleMessageInMbox-PT-d0m010"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is RingSingleMessageInMbox-PT-d0m010, 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 r184-tall-174889264000373"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m010.tgz
mv RingSingleMessageInMbox-PT-d0m010 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 ;