Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007700341.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 GPPP-PT-C0100N0000010000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007700341
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K 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 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 17 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1 May 29 14:32 large_marking
-rw-r--r-- 1 mcc users 21K 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 GPPP-PT-C0100N0000010000-UpperBounds-00
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-01
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-02
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-03
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-04
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-05
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-06
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-07
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-08
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-09
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-10
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-11
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-12
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-13
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-14
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748941714205

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPPP-PT-C0100N0000010000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-03 09:08:37] [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]
[2025-06-03 09:08:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 09:08:37] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2025-06-03 09:08:37] [INFO ] Transformed 33 places.
[2025-06-03 09:08:37] [INFO ] Transformed 22 transitions.
[2025-06-03 09:08:37] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 298 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 20000, 20000, 40000, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0, 0, 300] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 20000, 20000, 40000, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0, 0, 300] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 22 rows 33 cols
[2025-06-03 09:08:37] [INFO ] Computed 12 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 20000, 20000, 40000, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0, 0, 300] Max Struct:[900, 20000, 20000, 41400, 600, 450, 700, 200, 700, 8, 8, 960600, 3500, 20000, 700, 1832862]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-07 200 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-02 20000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-01 20000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10089 steps (3 resets) in 28 ms. (347 steps per ms)
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-14 700 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120010 steps (24 resets) in 295 ms. (405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 40000, 1, 3, 7, 8, 2, 2, 300, 10, 796, 300] Max Struct:[900, 41400, 600, 450, 700, 700, 8, 8, 960600, 3500, 20000, 1832862]
[2025-06-03 09:08:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive place invariants in 12 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 12 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-03 09:08:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using 6 positive place invariants in 8 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 7 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-03 09:08:38] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-03 09:08:38] [INFO ] Added : 13 causal constraints over 3 iterations in 154 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 5 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-03 09:08:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2025-06-03 09:08:38] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-03 09:08:38] [INFO ] Added : 18 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 5 ms returned sat
[2025-06-03 09:08:38] [INFO ] [Real]Absence check using state equation in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-03 09:08:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-03 09:08:39] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 09:08:39] [INFO ] Added : 12 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-03 09:08:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-03 09:08:39] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 09:08:39] [INFO ] Added : 17 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 67 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 09:08:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 09:08:39] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 09:08:39] [INFO ] Added : 16 causal constraints over 4 iterations in 28 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 7 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 09:08:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using state equation in 36 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 09:08:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 09:08:39] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 09:08:40] [INFO ] [Nat]Absence check using state equation in 245 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 09:08:40] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-03 09:08:40] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[7, 40000, 1, 3, 7, 8, 2, 2, 300, 10, 796, 300] Max Struct:[900, 41400, 1, 450, 700, 700, 2, 2, 300, 10, 796, 300]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-15 300 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-13 796 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-11 300 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-10 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 40007, 4, 10, 10] Max Struct:[900, 41400, 450, 700, 700]
Support contains 5 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 22/22 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 29 transition count 20
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 28 transition count 19
Applied a total of 8 rules in 32 ms. Remains 28 /33 variables (removed 5) and now considering 19/22 (removed 3) transitions.
Running 18 sub problems to find dead transitions.
// Phase 1: matrix 19 rows 28 cols
[2025-06-03 09:08:41] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 1/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Problem TDEAD18 is UNSAT
At refinement iteration 5 (OVERLAPS) 19/47 variables, 28/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/47 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/47 variables, and 38 constraints, problems are : Problem set: 1 solved, 17 unsolved in 338 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 3/6 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/27 variables, 1/7 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 2/9 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 1/28 variables, 1/10 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 19/47 variables, 28/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 47/47 variables, and 55 constraints, problems are : Problem set: 1 solved, 17 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 17/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20404ms problems are : Problem set: 1 solved, 17 unsolved
Search for dead transitions found 1 dead transitions in 20413ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 28/33 places, 18/22 transitions.
Graph (complete) has 68 edges and 28 vertex of which 27 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 27 /28 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 20468 ms. Remains : 27/33 places, 18/22 transitions.
// Phase 1: matrix 18 rows 27 cols
[2025-06-03 09:09:01] [INFO ] Computed 10 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 40007, 4, 10, 10] Max Struct:[900, 40700, 450, 700, 700]
RANDOM walk for 1000150 steps (747 resets) in 551 ms. (1811 steps per ms)
BEST_FIRST walk for 5000005 steps (612 resets) in 2552 ms. (1958 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 40007, 4, 10, 10] Max Struct:[900, 40700, 450, 700, 700]
[2025-06-03 09:09:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:05] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-03 09:09:05] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 09:09:05] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 09:09:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:05] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:09:09] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 09:09:11] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 6519 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Nat]Absence check using state equation in 2108 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 09:09:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:13] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:09:13] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 10 ms returned sat
[2025-06-03 09:09:22] [INFO ] [Nat]Absence check using state equation in 9007 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:22] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:09:22] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 5 ms returned sat
[2025-06-03 09:09:22] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 09:09:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:23] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 09:09:23] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 728 ms returned sat
[2025-06-03 09:09:25] [INFO ] [Nat]Absence check using state equation in 1686 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10, 40007, 4, 10, 10] Max Struct:[10, 40007, 4, 700, 10]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-08 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-05 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-03 40007 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[700]
Support contains 1 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 18/18 transitions.
Graph (trivial) has 4 edges and 27 vertex of which 2 / 27 are part of one of the 1 SCC in 4 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 26 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 25 transition count 15
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 25 transition count 14
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 24 transition count 14
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 23 transition count 13
Applied a total of 7 rules in 25 ms. Remains 23 /27 variables (removed 4) and now considering 13/18 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 23/27 places, 13/18 transitions.
// Phase 1: matrix 13 rows 23 cols
[2025-06-03 09:09:25] [INFO ] Computed 10 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[700]
RANDOM walk for 1000089 steps (793 resets) in 552 ms. (1808 steps per ms)
BEST_FIRST walk for 1000001 steps (167 resets) in 569 ms. (1754 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[700]
[2025-06-03 09:09:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:26] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 09:09:26] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 09:09:26] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 09:09:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 09:09:26] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 09:09:27] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 1257 ms returned sat
[2025-06-03 09:09:30] [INFO ] [Nat]Absence check using state equation in 2235 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[10]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-03 09:09:30] [INFO ] Flatten gal took : 30 ms
[2025-06-03 09:09:30] [INFO ] Flatten gal took : 6 ms
[2025-06-03 09:09:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5115577777229186347.gal : 6 ms
[2025-06-03 09:09:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13699030996094110892.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/ReachabilityCardinality5115577777229186347.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13699030996094110892.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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/ReachabilityCardinality13699030996094110892.prop.
An unexpected exception occurred : Overflow error when converting initial marking. Please recompile libDDD with larger DDD::val_t definition.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 53485 ms.

BK_STOP 1748941770558

--------------------
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="GPPP-PT-C0100N0000010000"
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 GPPP-PT-C0100N0000010000, 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 r100-smll-174867007700341"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0100N0000010000.tgz
mv GPPP-PT-C0100N0000010000 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 ;