MCC'2025- Execution of r100-smll-174867007700333

About the Execution of ITS-Tools for GPPP-PT-C0100N0000001000

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
0.000	22284.00	0.00	0.00	396 700 2000 1 398 700 2 300 2 200 400 10 1000 1592 700 4	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007700333.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-C0100N0000001000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007700333
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 108K 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-C0100N0000001000-UpperBounds-00
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-01
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-02
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-03
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-04
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-05
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-06
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-07
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-08
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-09
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-10
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-11
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-12
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-13
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-14
FORMULA_NAME GPPP-PT-C0100N0000001000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748939604160

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-C0100N0000001000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-03 08:33:26] [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 08:33:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:33:27] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2025-06-03 08:33:27] [INFO ] Transformed 33 places.
[2025-06-03 08:33:27] [INFO ] Transformed 22 transitions.
[2025-06-03 08:33:27] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 329 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 700, 2000, 1, 0, 0, 0, 300, 0, 0, 0, 0, 1000, 0, 0, 0] 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, 700, 2000, 1, 0, 0, 0, 300, 0, 0, 0, 0, 1000, 0, 0, 0] 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 08:33:27] [INFO ] Computed 12 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 700, 2000, 1, 0, 0, 0, 300, 0, 0, 0, 0, 1000, 0, 0, 0] Max Struct:[600, 700, 2000, 1, 450, 700, 8, 1832862, 8, 200, 450, 700, 1000, 2000, 700, 450]
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-12 1000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-02 2000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-01 700 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10101 steps (3 resets) in 24 ms. (404 steps per ms)
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-14 700 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-09 200 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-05 700 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90008 steps (18 resets) in 201 ms. (445 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[395, 300, 1, 300, 2, 400, 10, 1200, 3] Max Struct:[600, 450, 8, 1832862, 8, 450, 700, 2000, 450]
[2025-06-03 08:33:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:27] [INFO ] [Real]Absence check using 6 positive place invariants in 15 ms returned sat
[2025-06-03 08:33:27] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 10 ms returned sat
[2025-06-03 08:33:27] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-03 08:33:27] [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 08:33:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-03 08:33:28] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 127 ms returned sat
[2025-06-03 08:33:28] [INFO ] [Nat]Absence check using state equation in 341 ms returned sat
[2025-06-03 08:33:28] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-03 08:33:28] [INFO ] Added : 7 causal constraints over 2 iterations in 69 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:28] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 08:33:28] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 5 ms returned sat
[2025-06-03 08:33:28] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-03 08:33:28] [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 08:33:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 08:33:29] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 293 ms returned sat
[2025-06-03 08:33:29] [INFO ] [Nat]Absence check using state equation in 711 ms returned sat
[2025-06-03 08:33:29] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-03 08:33:29] [INFO ] Added : 17 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 251 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 6 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-03 08:33:30] [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 08:33:30] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 8 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-03 08:33:30] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 08:33:30] [INFO ] Added : 6 causal constraints over 2 iterations in 25 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 17 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 6 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-03 08:33:30] [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 08:33:30] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using state equation in 54 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:33:30] [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 08:33:30] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:30] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-03 08:33:30] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-03 08:33:30] [INFO ] Added : 15 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 146 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 08:33:31] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:31] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:31] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-03 08:33:31] [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 08:33:31] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-03 08:33:31] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 4 ms returned sat
[2025-06-03 08:33:31] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-03 08:33:31] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 08:33:31] [INFO ] Added : 11 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[395, 300, 1, 300, 2, 400, 10, 1200, 3] Max Struct:[600, 450, 8, 300, 2, 400, 10, 2000, 450]
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-10 400 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-08 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-07 300 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[396, 398, 2, 1592, 4] Max Struct:[600, 450, 8, 2000, 450]
Support contains 5 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 22/22 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 3 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 32 transition count 19
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 19
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 31 transition count 18
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 30 transition count 18
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 29 transition count 17
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 9 place count 28 transition count 16
Applied a total of 9 rules in 47 ms. Remains 28 /33 variables (removed 5) and now considering 16/22 (removed 6) transitions.
Running 15 sub problems to find dead transitions.
// Phase 1: matrix 16 rows 28 cols
[2025-06-03 08:33:32] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 1/28 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem TDEAD15 is UNSAT
At refinement iteration 5 (OVERLAPS) 16/44 variables, 28/40 constraints. Problems are: Problem set: 1 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/44 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 40 constraints, problems are : Problem set: 1 solved, 14 unsolved in 557 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 14 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 3/8 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 1/27 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 2/11 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 1/28 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 16/44 variables, 28/40 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/44 variables, 14/54 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/44 variables, 0/54 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 11 (OVERLAPS) 0/44 variables, 0/54 constraints. Problems are: Problem set: 1 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 54 constraints, problems are : Problem set: 1 solved, 14 unsolved in 9156 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 14/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9758ms problems are : Problem set: 1 solved, 14 unsolved
Search for dead transitions found 1 dead transitions in 9769ms
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, 15/22 transitions.
Graph (complete) has 72 edges and 28 vertex of which 27 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 27 /28 variables (removed 1) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 9837 ms. Remains : 27/33 places, 15/22 transitions.
// Phase 1: matrix 15 rows 27 cols
[2025-06-03 08:33:42] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[396, 398, 2, 1592, 4] Max Struct:[600, 450, 8, 2000, 450]
RANDOM walk for 1000109 steps (350 resets) in 526 ms. (1897 steps per ms)
BEST_FIRST walk for 5000004 steps (348 resets) in 2657 ms. (1881 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[396, 398, 2, 1592, 4] Max Struct:[600, 450, 8, 2000, 450]
[2025-06-03 08:33:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-03 08:33:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Nat]Absence check using 8 positive and 4 generalized place invariants in 5 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Nat]Absence check using state equation in 199 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using 8 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 08:33:45] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[396, 398, 2, 1592, 4] Max Struct:[396, 398, 2, 1592, 4]
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-15 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-13 1592 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-06 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-04 398 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000001000-UpperBounds-00 396 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 4 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 08:33:46] [INFO ] Flatten gal took : 42 ms
[2025-06-03 08:33:46] [INFO ] Flatten gal took : 10 ms
[2025-06-03 08:33:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13287798307685800431.gal : 9 ms
[2025-06-03 08:33:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2141109157648053189.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/ReachabilityCardinality13287798307685800431.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2141109157648053189.prop' '--nowitness' '--gen-order' 'FOLLOW'

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:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 19656 ms.

BK_STOP 1748939626444

--------------------
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-C0100N0000001000"
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-C0100N0000001000, 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-174867007700333"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0100N0000001000.tgz
mv GPPP-PT-C0100N0000001000 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 ;