Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589200143.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)
...........................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Szymanski-PT-b04, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589200143
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K 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 2.2K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.7M May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-00
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-01
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-02
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-03
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-04
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-05
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-06
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-07
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-08
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-09
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-10
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-11
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-12
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-13
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-14
FORMULA_NAME Szymanski-PT-b04-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749176073529

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-06 02:14:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 02:14:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 02:14:35] [INFO ] Load time of PNML (sax parser for PT used): 343 ms
[2025-06-06 02:14:35] [INFO ] Transformed 568 places.
[2025-06-06 02:14:35] [INFO ] Transformed 8320 transitions.
[2025-06-06 02:14:35] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 528 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 21 ms
Reduce places removed 260 places and 256 transitions.
RANDOM walk for 40007 steps (9 resets) in 2253 ms. (17 steps per ms) remains 15/16 properties
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 154 ms. (25 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 144 ms. (27 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 14/15 properties
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 340 ms. (11 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 14/14 properties
[2025-06-06 02:14:36] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2025-06-06 02:14:36] [INFO ] Computed 3 invariants in 44 ms
[2025-06-06 02:14:36] [INFO ] State equation strengthened by 147 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
[2025-06-06 02:14:37] [INFO ] Flatten gal took : 831 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 02:14:37] [INFO ] Flatten gal took : 337 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem Szymanski-PT-b04-ReachabilityFireability-2025-04 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b04-ReachabilityFireability-2025-05 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b04-ReachabilityFireability-2025-08 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b04-ReachabilityFireability-2025-10 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b04-ReachabilityFireability-2025-11 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-b04-ReachabilityFireability-2025-12 is UNSAT
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 158/307 variables, 2/2 constraints. Problems are: Problem set: 6 solved, 8 unsolved
[2025-06-06 02:14:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality592835341790205452.gal : 127 ms
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 0/2 constraints. Problems are: Problem set: 6 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 1/308 variables, 1/3 constraints. Problems are: Problem set: 6 solved, 8 unsolved
[2025-06-06 02:14:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8559917515562267185.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality592835341790205452.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8559917515562267185.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 ...327
At refinement iteration 4 (INCLUDED_ONLY) 0/308 variables, 0/3 constraints. Problems are: Problem set: 6 solved, 8 unsolved
Loading property file /tmp/ReachabilityCardinality8559917515562267185.prop.
At refinement iteration 5 (OVERLAPS) 2733/3041 variables, 308/311 constraints. Problems are: Problem set: 6 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 15
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :15 after 70
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :70 after 1739
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :1739 after 3335
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-02 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :3335 after 8571
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :8571 after 16859
At refinement iteration 6 (INCLUDED_ONLY) 0/3041 variables, 147/458 constraints. Problems are: Problem set: 7 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :16859 after 26094
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3041/3041 variables, and 458 constraints, problems are : Problem set: 7 solved, 7 unsolved in 5073 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 308/308 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 14/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 202/307 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/307 variables, 0/2 constraints. Problems are: Problem set: 7 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 1/308 variables, 1/3 constraints. Problems are: Problem set: 7 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :26094 after 31513
At refinement iteration 4 (INCLUDED_ONLY) 0/308 variables, 0/3 constraints. Problems are: Problem set: 7 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 2733/3041 variables, 308/311 constraints. Problems are: Problem set: 7 solved, 7 unsolved
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-03 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :31513 after 80159
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3041/3041 variables, and 458 constraints, problems are : Problem set: 8 solved, 6 unsolved in 5015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 308/308 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10389ms problems are : Problem set: 8 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 105 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :80159 after 98089
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.19 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 434 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 446 ms. Remains : 306/308 places, 8064/8064 transitions.
RANDOM walk for 40006 steps (9 resets) in 511 ms. (78 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 283 ms. (140 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (11 resets) in 390 ms. (102 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 193 ms. (206 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (11 resets) in 186 ms. (213 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (10 resets) in 217 ms. (183 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 213 ms. (186 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :98089 after 330430
Interrupted probabilistic random walk after 135968 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :0 out of 6
Probabilistic random walk after 135968 steps, saw 53885 distinct states, run finished after 3006 ms. (steps per millisecond=45 ) properties seen :0
[2025-06-06 02:14:51] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2025-06-06 02:14:51] [INFO ] Computed 1 invariants in 34 ms
[2025-06-06 02:14:51] [INFO ] State equation strengthened by 147 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 201/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :330430 after 526859
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3039 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Invariant property Szymanski-PT-b04-ReachabilityFireability-2025-00 does not hold.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :526859 after 954940
At refinement iteration 5 (INCLUDED_ONLY) 0/3039 variables, 0/454 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/3039 variables, 0/454 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3039/3039 variables, and 454 constraints, problems are : Problem set: 1 solved, 5 unsolved in 9058 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 6/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 217/306 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2733/3039 variables, 306/307 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3039 variables, 147/454 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-13 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-07 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :954940 after 1.71035e+06
At refinement iteration 5 (INCLUDED_ONLY) 0/3039 variables, 3/457 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3039 variables, 0/457 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/3039 variables, 0/457 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3039/3039 variables, and 457 constraints, problems are : Problem set: 3 solved, 3 unsolved in 22435 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31590ms problems are : Problem set: 3 solved, 3 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 80 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 306 transition count 8026
Applied a total of 38 rules in 268 ms. Remains 306 /306 variables (removed 0) and now considering 8026/8064 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 268 ms. Remains : 306/306 places, 8026/8064 transitions.
RANDOM walk for 40001 steps (9 resets) in 352 ms. (113 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 331 ms. (120 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (10 resets) in 122 ms. (325 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 165509 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 3
Probabilistic random walk after 165509 steps, saw 67037 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2025-06-06 02:15:26] [INFO ] Flow matrix only has 2695 transitions (discarded 5331 similar events)
// Phase 1: matrix 2695 rows 306 cols
[2025-06-06 02:15:26] [INFO ] Computed 1 invariants in 32 ms
[2025-06-06 02:15:26] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 226/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2695/3001 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3001 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3001 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/3001 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3001/3001 variables, and 454 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3518 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 226/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 2695/3001 variables, 306/307 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3001 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.71035e+06 after 2.27544e+06
At refinement iteration 5 (INCLUDED_ONLY) 0/3001 variables, 2/456 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :2.27544e+06 after 2.81283e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3001/3001 variables, and 456 constraints, problems are : Problem set: 0 solved, 3 unsolved in 72682 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76289ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 80 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8026/8026 transitions.
Applied a total of 0 rules in 291 ms. Remains 306 /306 variables (removed 0) and now considering 8026/8026 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 292 ms. Remains : 306/306 places, 8026/8026 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8026/8026 transitions.
Applied a total of 0 rules in 180 ms. Remains 306 /306 variables (removed 0) and now considering 8026/8026 (removed 0) transitions.
[2025-06-06 02:16:43] [INFO ] Flow matrix only has 2695 transitions (discarded 5331 similar events)
[2025-06-06 02:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:16:43] [INFO ] Implicit Places using invariants in 289 ms returned []
[2025-06-06 02:16:43] [INFO ] Flow matrix only has 2695 transitions (discarded 5331 similar events)
[2025-06-06 02:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 02:16:44] [INFO ] State equation strengthened by 147 read => feed constraints.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :2.81283e+06 after 3.36583e+06
[2025-06-06 02:17:14] [INFO ] Performed 87/306 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-06 02:17:33] [INFO ] Implicit Places using invariants and state equation in 50033 ms returned []
Implicit Place search using SMT with State Equation took 50335 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 02:17:34] [INFO ] Redundant transitions in 948 ms returned []
Running 8024 sub problems to find dead transitions.
[2025-06-06 02:17:34] [INFO ] Flow matrix only has 2695 transitions (discarded 5331 similar events)
[2025-06-06 02:17:34] [INFO ] Invariant cache hit.
[2025-06-06 02:17:34] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 306/3001 variables, and 1 constraints, problems are : Problem set: 0 solved, 8024 unsolved in 30151 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 8024/8024 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8024 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/306 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 306/3001 variables, and 1 constraints, problems are : Problem set: 0 solved, 8024 unsolved in 30104 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/8024 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75548ms problems are : Problem set: 0 solved, 8024 unsolved
Search for dead transitions found 0 dead transitions in 75575ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127076 ms. Remains : 306/306 places, 8026/8026 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 5331 transitions
Reduce isomorphic transitions removed 5331 transitions.
Iterating post reduction 0 with 5331 rules applied. Total rules applied 5331 place count 306 transition count 2695
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 5331 place count 306 transition count 2694
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5333 place count 305 transition count 2694
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 5335 place count 305 transition count 2692
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 5336 place count 305 transition count 2691
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5337 place count 304 transition count 2691
Applied a total of 5337 rules in 197 ms. Remains 304 /306 variables (removed 2) and now considering 2691/8026 (removed 5335) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 2691 rows 304 cols
[2025-06-06 02:18:50] [INFO ] Computed 1 invariants in 19 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 02:18:50] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-06 02:18:50] [INFO ] After 103ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 02:18:50] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 02:18:52] [INFO ] After 1282ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-06 02:18:52] [INFO ] After 2193ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-06 02:18:54] [INFO ] After 3525ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 3877 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-06 02:18:54] [INFO ] Flatten gal took : 334 ms
[2025-06-06 02:18:54] [INFO ] Applying decomposition
[2025-06-06 02:18:54] [INFO ] Flatten gal took : 198 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/graph259547869430440919.txt' '-o' '/tmp/graph259547869430440919.bin' '-w' '/tmp/graph259547869430440919.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph259547869430440919.bin' '-l' '-1' '-v' '-w' '/tmp/graph259547869430440919.weights' '-q' '0' '-e' '0.001'
[2025-06-06 02:18:55] [INFO ] Decomposing Gal with order
[2025-06-06 02:18:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 02:18:56] [INFO ] Removed a total of 18440 redundant transitions.
[2025-06-06 02:18:56] [INFO ] Flatten gal took : 663 ms
[2025-06-06 02:18:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 1145 labels/synchronizations in 285 ms.
[2025-06-06 02:18:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18246253792948780614.gal : 38 ms
[2025-06-06 02:18:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17933607929082215158.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/ReachabilityCardinality18246253792948780614.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17933607929082215158.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality17933607929082215158.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 27
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :27 after 88
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :88 after 355
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :355 after 619
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :619 after 1717
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1717 after 3273
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :3273 after 4205
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :4205 after 4205
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :4205 after 4205
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :4205 after 4205
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :4205 after 14560
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :14560 after 69687
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-06 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Invariant property Szymanski-PT-b04-ReachabilityFireability-2025-01 does not hold.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :69687 after 1.25435e+06
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.11966e+06 after 7.11966e+06
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :7.11966e+06 after 1.59686e+07
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :1.59686e+07 after 2.60045e+07
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-15 is true.
FORMULA Szymanski-PT-b04-ReachabilityFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 131073 fixpoint passes
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,6.07642e+07,1156.13,11337476,26234,7233,9.89396e+06,3.79543e+06,8489,5.30047e+07,409,4.62187e+07,0
Total reachable state count : 60764238

Verifying 3 reachability properties.
Invariant property Szymanski-PT-b04-ReachabilityFireability-2025-01 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
Szymanski-PT-b04-ReachabilityFireability-2025-01,52565,1192.64,11338636,266,213,9.89396e+06,3.79543e+06,8862,5.30047e+07,452,4.62187e+07,0
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-06 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b04-ReachabilityFireability-2025-06,28,1192.91,11338636,54,64,9.89396e+06,3.79543e+06,8866,5.30047e+07,452,4.62187e+07,0
Reachability property Szymanski-PT-b04-ReachabilityFireability-2025-15 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b04-ReachabilityFireability-2025-15,2,1192.92,11338636,49,45,9.89396e+06,3.79543e+06,8869,5.30047e+07,452,4.62187e+07,0
All properties solved without resorting to model-checking.
Total runtime 1457941 ms.

BK_STOP 1749177534889

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="Szymanski-PT-b04"
export BK_EXAMINATION="ReachabilityFireability"
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 Szymanski-PT-b04, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r240-tall-174915589200143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b04.tgz
mv Szymanski-PT-b04 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;