Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339700319.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 ErlangenMainframeV0-PT-1005, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339700319
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 27M
-rw-r--r-- 1 mcc users 8.6K Jun 6 09:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Jun 6 09:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Jun 6 09:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Jun 6 09:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Jun 6 11:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Jun 6 11:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Jun 6 11:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 11:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 8.5K Jun 6 09:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Jun 6 09:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Jun 6 09:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Jun 6 09:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 6 11:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Jun 6 11:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 5 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 26M Jun 5 20:08 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 ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-00
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-01
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-02
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-03
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-04
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-05
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-06
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-07
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-08
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-09
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-10
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-11
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-12
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-13
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-14
FORMULA_NAME ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749359783257

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV0-PT-1005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-08 05:16:24] [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]
[2025-06-08 05:16:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 05:16:25] [INFO ] Load time of PNML (sax parser for PT used): 1074 ms
[2025-06-08 05:16:25] [INFO ] Transformed 273 places.
[2025-06-08 05:16:25] [INFO ] Transformed 23608 transitions.
[2025-06-08 05:16:25] [INFO ] Found NUPN structural information;
[2025-06-08 05:16:25] [INFO ] Parsed PT model containing 273 places and 23608 transitions and 545089 arcs in 1439 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 13692 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 308 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 177 ms. (22 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 61 ms. (64 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 546 ms. (7 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 223 ms. (17 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 58 ms. (67 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 16/16 properties
[2025-06-08 05:16:32] [INFO ] Flatten gal took : 5275 ms
[2025-06-08 05:16:35] [INFO ] Flatten gal took : 3094 ms
[2025-06-08 05:16:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10884406217334069017.gal : 537 ms
[2025-06-08 05:16:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7871516074909615231.prop : 7 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/ReachabilityCardinality10884406217334069017.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7871516074909615231.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Interrupted probabilistic random walk after 170649 steps, run timeout after 12001 ms. (steps per millisecond=14 ) properties seen :0 out of 16
Probabilistic random walk after 170649 steps, saw 115538 distinct states, run finished after 12009 ms. (steps per millisecond=14 ) properties seen :0
// Phase 1: matrix 23608 rows 273 cols
[2025-06-08 05:16:43] [INFO ] Computed 26 invariants in 785 ms
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 72/129 variables, 14/71 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 72/143 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 25/154 variables, 2/145 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 25/170 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/154 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 119/273 variables, 10/180 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 119/299 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SMT process timed out in 6399ms, After SMT, problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 23608/23608 transitions.
Graph (trivial) has 179 edges and 273 vertex of which 4 / 273 are part of one of the 2 SCC in 19 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 86 transitions
Trivial Post-agglo rules discarded 86 transitions
Performed 86 trivial Post agglomeration. Transition count delta: 86
Iterating post reduction 0 with 86 rules applied. Total rules applied 87 place count 271 transition count 23518
Reduce places removed 86 places and 0 transitions.
Iterating post reduction 1 with 86 rules applied. Total rules applied 173 place count 185 transition count 23518
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 173 place count 185 transition count 23514
Deduced a syphon composed of 4 places in 16 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 181 place count 181 transition count 23514
Discarding 47 places :
Symmetric choice reduction at 2 with 47 rule applications. Total rules 228 place count 134 transition count 23467
Iterating global reduction 2 with 47 rules applied. Total rules applied 275 place count 134 transition count 23467
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 275 place count 134 transition count 23462
Deduced a syphon composed of 5 places in 21 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 285 place count 129 transition count 23462
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Deduced a syphon composed of 27 places in 10 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 2 with 54 rules applied. Total rules applied 339 place count 102 transition count 23435
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 340 place count 101 transition count 23425
Iterating global reduction 2 with 1 rules applied. Total rules applied 341 place count 101 transition count 23425
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 342 place count 101 transition count 23424
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 344 place count 100 transition count 23429
Free-agglomeration rule applied 6 times.
Iterating global reduction 3 with 6 rules applied. Total rules applied 350 place count 100 transition count 23423
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 356 place count 94 transition count 23423
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 358 place count 94 transition count 23423
Partial Post-agglomeration rule applied 10 times.
Drop transitions (Partial Post agglomeration) removed 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 368 place count 94 transition count 23423
Applied a total of 368 rules in 4434 ms. Remains 94 /273 variables (removed 179) and now considering 23423/23608 (removed 185) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4477 ms. Remains : 94/273 places, 23423/23608 transitions.
RANDOM walk for 40000 steps (8 resets) in 19823 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 181 ms. (21 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 135 ms. (29 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 154 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 210 ms. (18 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 133 ms. (29 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 180 ms. (22 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 204 ms. (19 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 359 ms. (11 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 174 ms. (22 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 127 ms. (31 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 109 ms. (36 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 117 ms. (33 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality7871516074909615231.prop.
Interrupted probabilistic random walk after 247240 steps, run timeout after 18001 ms. (steps per millisecond=13 ) properties seen :0 out of 16
Probabilistic random walk after 247240 steps, saw 51094 distinct states, run finished after 18016 ms. (steps per millisecond=13 ) properties seen :0
[2025-06-08 05:17:17] [INFO ] Flow matrix only has 23411 transitions (discarded 12 similar events)
// Phase 1: matrix 23411 rows 94 cols
[2025-06-08 05:17:18] [INFO ] Computed 26 invariants in 411 ms
[2025-06-08 05:17:18] [INFO ] State equation strengthened by 32 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.
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) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 3/94 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 23411/23505 variables, 94/120 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :13 after 387
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :387 after 858
At refinement iteration 7 (INCLUDED_ONLY) 0/23505 variables, 32/152 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 23505/23505 variables, and 152 constraints, problems are : Problem set: 0 solved, 16 unsolved in 45073 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 94/94 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 16/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-07 is UNSAT
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-10 is UNSAT
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-10 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 3/94 variables, 2/26 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 23411/23505 variables, 94/120 constraints. Problems are: Problem set: 2 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :858 after 1.13596e+06
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :1.13596e+06 after 3.20395e+07
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :3.20395e+07 after 3.20434e+07
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :3.20434e+07 after 3.20761e+07
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :3.20761e+07 after 3.21354e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/23505 variables, 32/152 constraints. Problems are: Problem set: 2 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :3.21354e+07 after 3.21667e+07
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :3.21667e+07 after 3.22179e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 23505/23505 variables, and 152 constraints, problems are : Problem set: 2 solved, 14 unsolved in 45024 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 94/94 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 16/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91069ms problems are : Problem set: 2 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 23423/23423 transitions.
Applied a total of 0 rules in 368 ms. Remains 94 /94 variables (removed 0) and now considering 23423/23423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 368 ms. Remains : 94/94 places, 23423/23423 transitions.
RANDOM walk for 40000 steps (8 resets) in 9968 ms. (4 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 832 ms. (48 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 697 ms. (57 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1356 ms. (29 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 649 ms. (61 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 604 ms. (66 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 695 ms. (57 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 878 ms. (45 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1417 ms. (28 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 812 ms. (49 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 647 ms. (61 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1267 ms. (31 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1407 ms. (28 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1449 ms. (27 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1381 ms. (28 steps per ms) remains 14/14 properties
SDD proceeding with computation,16 properties remain. new max is 16384
SDD size :3.22179e+07 after 3.22775e+07
Interrupted probabilistic random walk after 431150 steps, run timeout after 18001 ms. (steps per millisecond=23 ) properties seen :0 out of 14
Probabilistic random walk after 431150 steps, saw 70821 distinct states, run finished after 18001 ms. (steps per millisecond=23 ) properties seen :0
[2025-06-08 05:19:14] [INFO ] Flow matrix only has 23411 transitions (discarded 12 similar events)
[2025-06-08 05:19:14] [INFO ] Invariant cache hit.
[2025-06-08 05:19:14] [INFO ] State equation strengthened by 32 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.
Excessive predecessor constraint size, skipping predecessor.
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) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 3/94 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 23411/23505 variables, 94/120 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :3.22775e+07 after 3.23548e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/23505 variables, 32/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23505 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/23505 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23505/23505 variables, and 152 constraints, problems are : Problem set: 0 solved, 14 unsolved in 65756 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 94/94 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 3/94 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 23411/23505 variables, 94/120 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23505 variables, 32/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 65536
SDD size :3.23548e+07 after 1.69e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/23505 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 23505/23505 variables, and 152 constraints, problems are : Problem set: 0 solved, 14 unsolved in 75030 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 94/94 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141029ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 23423/23423 transitions.
Applied a total of 0 rules in 405 ms. Remains 94 /94 variables (removed 0) and now considering 23423/23423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 405 ms. Remains : 94/94 places, 23423/23423 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 23423/23423 transitions.
Applied a total of 0 rules in 371 ms. Remains 94 /94 variables (removed 0) and now considering 23423/23423 (removed 0) transitions.
[2025-06-08 05:21:36] [INFO ] Flow matrix only has 23411 transitions (discarded 12 similar events)
[2025-06-08 05:21:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 05:21:36] [INFO ] Implicit Places using invariants in 84 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 124 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 93/94 places, 23423/23423 transitions.
Applied a total of 0 rules in 358 ms. Remains 93 /93 variables (removed 0) and now considering 23423/23423 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 859 ms. Remains : 93/94 places, 23423/23423 transitions.
RANDOM walk for 40000 steps (8 resets) in 8838 ms. (4 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 828 ms. (48 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 601 ms. (66 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1357 ms. (29 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 590 ms. (67 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 579 ms. (68 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 588 ms. (67 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 949 ms. (42 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1428 ms. (27 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 681 ms. (58 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (8 resets) in 531 ms. (75 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1282 ms. (31 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1379 ms. (28 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1339 ms. (29 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1332 ms. (30 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 421798 steps, run timeout after 18001 ms. (steps per millisecond=23 ) properties seen :0 out of 14
Probabilistic random walk after 421798 steps, saw 69777 distinct states, run finished after 18001 ms. (steps per millisecond=23 ) properties seen :0
[2025-06-08 05:22:01] [INFO ] Flow matrix only has 23411 transitions (discarded 12 similar events)
// Phase 1: matrix 23411 rows 93 cols
[2025-06-08 05:22:01] [INFO ] Computed 25 invariants in 271 ms
[2025-06-08 05:22:01] [INFO ] State equation strengthened by 16 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.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 2/93 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 131072
SDD size :1.69e+08 after 1.56514e+09
At refinement iteration 6 (OVERLAPS) 23411/23504 variables, 93/118 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23504 variables, 16/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23504 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/23504 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23504/23504 variables, and 134 constraints, problems are : Problem set: 0 solved, 14 unsolved in 58269 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 93/93 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 34/91 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 2/93 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 23411/23504 variables, 93/118 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23504 variables, 16/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/23504 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/23504 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23504/23504 variables, and 134 constraints, problems are : Problem set: 0 solved, 14 unsolved in 85059 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 93/93 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 143810ms problems are : Problem set: 0 solved, 14 unsolved
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-05 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-06 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-08 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-13 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-14 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 35 steps, including 0 resets, run visited all 1 properties in 21 ms. (steps per millisecond=1 )
FORMULA ErlangenMainframeV0-PT-1005-ReachabilityFireability-2025-15 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 14 properties in 8203 ms.
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 488767 ms.

BK_STOP 1749360273288

--------------------
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="ErlangenMainframeV0-PT-1005"
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 ErlangenMainframeV0-PT-1005, 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 r254-tall-174931339700319"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV0-PT-1005.tgz
mv ErlangenMainframeV0-PT-1005 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 ;