Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063800239.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 DES-PT-01a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063800239
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K 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 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 32K 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 booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1748658317180

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-01a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-31 02:25:19] [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]
[2025-05-31 02:25:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 02:25:19] [INFO ] Load time of PNML (sax parser for PT used): 132 ms
[2025-05-31 02:25:19] [INFO ] Transformed 119 places.
[2025-05-31 02:25:20] [INFO ] Transformed 76 transitions.
[2025-05-31 02:25:20] [INFO ] Found NUPN structural information;
[2025-05-31 02:25:20] [INFO ] Parsed PT model containing 119 places and 76 transitions and 381 arcs in 353 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 41 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
[2025-05-31 02:25:20] [INFO ] Flatten gal took : 111 ms
[2025-05-31 02:25:20] [INFO ] Flatten gal took : 47 ms
[2025-05-31 02:25:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16420466713389433103.gal : 23 ms
[2025-05-31 02:25:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4916328677012168333.prop : 15 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/ReachabilityCardinality16420466713389433103.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4916328677012168333.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

RANDOM walk for 40000 steps (1595 resets) in 2478 ms. (16 steps per ms) remains 5/16 properties
FORMULA DES-PT-01a-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
/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
FORMULA DES-PT-01a-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-01a-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality4916328677012168333.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 15
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :15 after 86
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :86 after 102
Reachability property DES-PT-01a-ReachabilityFireability-2025-11 is true.
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :102 after 565
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :565 after 697
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :697 after 845
BEST_FIRST walk for 40003 steps (356 resets) in 1718 ms. (23 steps per ms) remains 5/5 properties
Reachability property DES-PT-01a-ReachabilityFireability-2025-00 is true.
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :845 after 2871
BEST_FIRST walk for 40003 steps (356 resets) in 430 ms. (92 steps per ms) remains 5/5 properties
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :2871 after 3675
BEST_FIRST walk for 40004 steps (560 resets) in 593 ms. (67 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (358 resets) in 543 ms. (73 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (264 resets) in 1004 ms. (39 steps per ms) remains 5/5 properties
Reachability property DES-PT-01a-ReachabilityFireability-2025-06 is true.
Invariant property DES-PT-01a-ReachabilityFireability-2025-01 does not hold.
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3675 after 11295
// Phase 1: matrix 62 rows 119 cols
[2025-05-31 02:25:22] [INFO ] Computed 59 invariants in 41 ms
[2025-05-31 02:25:22] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Reachability property DES-PT-01a-ReachabilityFireability-2025-14 is true.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :11295 after 15653
Reachability property DES-PT-01a-ReachabilityFireability-2025-15 is true.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 111/111 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 28/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 16/155 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Reachability property DES-PT-01a-ReachabilityFireability-2025-07 is true.
At refinement iteration 4 (OVERLAPS) 4/115 variables, 5/160 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 4/164 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Invariant property DES-PT-01a-ReachabilityFireability-2025-02 does not hold.
FORMULA DES-PT-01a-ReachabilityFireability-2025-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :15653 after 71802
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem DES-PT-01a-ReachabilityFireability-2025-13 is UNSAT
FORMULA DES-PT-01a-ReachabilityFireability-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 7 (OVERLAPS) 4/119 variables, 10/174 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 4/178 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/119 variables, 0/178 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 62/181 variables, 119/297 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 1/298 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 0/298 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/181 variables, 0/298 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 298 constraints, problems are : Problem set: 2 solved, 3 unsolved in 1598 ms.
Refiners :[Domain max(s): 119/119 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 119/119 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem DES-PT-01a-ReachabilityFireability-2025-12 is UNSAT
FORMULA DES-PT-01a-ReachabilityFireability-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 10/79 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 2/81 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:25:24] [INFO ] Deduced a trap composed of 3 places in 73 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/82 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/82 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 39/108 variables, 23/105 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 39/144 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 9/153 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/108 variables, 0/153 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 11/119 variables, 15/168 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/119 variables, 11/179 constraints. Problems are: Problem set: 3 solved, 2 unsolved
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :71802 after 233766
At refinement iteration 11 (INCLUDED_ONLY) 0/119 variables, 0/179 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 62/181 variables, 119/298 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/181 variables, 1/299 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/181 variables, 2/301 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/181 variables, 0/301 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/181 variables, 0/301 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 301 constraints, problems are : Problem set: 3 solved, 2 unsolved in 1313 ms.
Refiners :[Domain max(s): 119/119 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 119/119 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3145ms problems are : Problem set: 3 solved, 2 unsolved
FORMULA DES-PT-01a-ReachabilityFireability-2025-03 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 196 ms.
Support contains 26 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 62/62 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 119 transition count 61
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 118 transition count 60
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 118 transition count 60
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 6 place count 118 transition count 60
Applied a total of 6 rules in 75 ms. Remains 118 /119 variables (removed 1) and now considering 60/62 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 118/119 places, 60/62 transitions.
RANDOM walk for 40000 steps (1614 resets) in 424 ms. (94 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (596 resets) in 281 ms. (141 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1656706 steps, run timeout after 3001 ms. (steps per millisecond=552 ) properties seen :0 out of 1
Probabilistic random walk after 1656706 steps, saw 201731 distinct states, run finished after 3007 ms. (steps per millisecond=550 ) properties seen :0
// Phase 1: matrix 60 rows 118 cols
[2025-05-31 02:25:29] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 02:25:29] [INFO ] State equation strengthened by 1 read => feed constraints.
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) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/44 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 46/90 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 26/116 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 60/176 variables, 116/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/176 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/178 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/178 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 179 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 118/118 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/44 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 46/90 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 26/116 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 60/176 variables, 116/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/176 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/178 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/178 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/178 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 180 constraints, problems are : Problem set: 0 solved, 1 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 118/118 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 545ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 26 out of 118 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 118/118 places, 60/60 transitions.
Applied a total of 0 rules in 8 ms. Remains 118 /118 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 118/118 places, 60/60 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 118/118 places, 60/60 transitions.
Applied a total of 0 rules in 8 ms. Remains 118 /118 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2025-05-31 02:25:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:29] [INFO ] Implicit Places using invariants in 143 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 156 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 117/118 places, 60/60 transitions.
Applied a total of 0 rules in 9 ms. Remains 117 /117 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 173 ms. Remains : 117/118 places, 60/60 transitions.
RANDOM walk for 40000 steps (1608 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (596 resets) in 264 ms. (150 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1807106 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :0 out of 1
Probabilistic random walk after 1807106 steps, saw 217926 distinct states, run finished after 3001 ms. (steps per millisecond=602 ) properties seen :0
// Phase 1: matrix 60 rows 117 cols
[2025-05-31 02:25:32] [INFO ] Computed 59 invariants in 4 ms
[2025-05-31 02:25:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/44 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/94 variables, 22/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 21/115 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 60/175 variables, 115/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/177 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/177 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 177/177 variables, and 177 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 117/117 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/44 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/94 variables, 22/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 21/115 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 60/175 variables, 115/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/177 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/177 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/177 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/177 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 177/177 variables, and 178 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 117/117 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 509ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 26 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 60/60 transitions.
Applied a total of 0 rules in 9 ms. Remains 117 /117 variables (removed 0) and now considering 60/60 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 117/117 places, 60/60 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 60/60 transitions.
Applied a total of 0 rules in 12 ms. Remains 117 /117 variables (removed 0) and now considering 60/60 (removed 0) transitions.
[2025-05-31 02:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:33] [INFO ] Implicit Places using invariants in 163 ms returned []
[2025-05-31 02:25:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-31 02:25:34] [INFO ] Implicit Places using invariants and state equation in 387 ms returned [29, 33, 35, 39, 43, 49, 51, 53, 55, 57, 59, 61, 63, 65, 69, 71, 73, 95, 112]
Discarding 19 places :
Implicit Place search using SMT with State Equation took 555 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 98/117 places, 60/60 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 98 transition count 54
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 92 transition count 54
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 36 place count 76 transition count 46
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 37 place count 76 transition count 46
Applied a total of 37 rules in 42 ms. Remains 76 /98 variables (removed 22) and now considering 46/60 (removed 14) transitions.
// Phase 1: matrix 46 rows 76 cols
[2025-05-31 02:25:34] [INFO ] Computed 32 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:34] [INFO ] Implicit Places using invariants in 125 ms returned [48, 55, 58, 62, 65]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 126 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 71/117 places, 46/60 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 69 transition count 44
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 69 transition count 44
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 68 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 68 transition count 42
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 68 transition count 42
Applied a total of 7 rules in 16 ms. Remains 68 /71 variables (removed 3) and now considering 42/46 (removed 4) transitions.
// Phase 1: matrix 42 rows 68 cols
[2025-05-31 02:25:34] [INFO ] Computed 27 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:34] [INFO ] Implicit Places using invariants in 99 ms returned []
[2025-05-31 02:25:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:25:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 02:25:34] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 68/117 places, 42/60 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 977 ms. Remains : 68/117 places, 42/60 transitions.
RANDOM walk for 40000 steps (1949 resets) in 589 ms. (67 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (654 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Probably explored full state space saw : 198109 states, properties seen :0
Probabilistic random walk after 1203304 steps, saw 198109 distinct states, run finished after 1705 ms. (steps per millisecond=705 ) properties seen :0
Explored full state space saw : 198115 states, properties seen :0
Exhaustive walk after 1203346 steps, saw 198115 distinct states, run finished after 1615 ms. (steps per millisecond=745 ) properties seen :0
FORMULA DES-PT-01a-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 18404 ms.

BK_STOP 1748658338086

--------------------
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="DES-PT-01a"
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 DES-PT-01a, 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 r058-smll-174854063800239"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-01a.tgz
mv DES-PT-01a 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 ;