Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524200255.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 MedleyA-PT-20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524200255
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 7.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K 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 3.6K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 130K 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 MedleyA-PT-20-ReachabilityFireability-2025-00
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-01
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-02
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-03
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-04
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-05
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-06
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-07
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-08
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-09
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-10
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-11
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-12
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-13
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-14
FORMULA_NAME MedleyA-PT-20-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748889348521

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-02 18:35:51] [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]
[2025-06-02 18:35:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 18:35:51] [INFO ] Load time of PNML (sax parser for PT used): 226 ms
[2025-06-02 18:35:51] [INFO ] Transformed 273 places.
[2025-06-02 18:35:51] [INFO ] Transformed 518 transitions.
[2025-06-02 18:35:51] [INFO ] Found NUPN structural information;
[2025-06-02 18:35:51] [INFO ] Parsed PT model containing 273 places and 518 transitions and 1795 arcs in 478 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 43 ms.
Working with output stream class java.io.PrintStream
[2025-06-02 18:35:53] [INFO ] Flatten gal took : 433 ms
RANDOM walk for 40000 steps (36 resets) in 4141 ms. (9 steps per ms) remains 10/16 properties
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-02 18:35:53] [INFO ] Flatten gal took : 129 ms
BEST_FIRST walk for 40002 steps (24 resets) in 593 ms. (67 steps per ms) remains 9/10 properties
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-02 18:35:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4053161743042813225.gal : 81 ms
BEST_FIRST walk for 40003 steps (41 resets) in 455 ms. (87 steps per ms) remains 9/9 properties
[2025-06-02 18:35:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9472332534556579262.prop : 17 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/ReachabilityCardinality4053161743042813225.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9472332534556579262.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 ...328
BEST_FIRST walk for 40001 steps (20 resets) in 869 ms. (45 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality9472332534556579262.prop.
BEST_FIRST walk for 40002 steps (38 resets) in 400 ms. (99 steps per ms) remains 8/9 properties
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (20 resets) in 325 ms. (122 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 23
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :23 after 31
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :31 after 35
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :35 after 54
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :54 after 80
BEST_FIRST walk for 40001 steps (41 resets) in 407 ms. (98 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (47 resets) in 191 ms. (208 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :80 after 1040
BEST_FIRST walk for 40004 steps (24 resets) in 212 ms. (187 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :1040 after 1736
BEST_FIRST walk for 40004 steps (49 resets) in 239 ms. (166 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (35 resets) in 232 ms. (171 steps per ms) remains 8/8 properties
// Phase 1: matrix 518 rows 273 cols
[2025-06-02 18:35:54] [INFO ] Computed 11 invariants in 37 ms
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :1736 after 32013
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) 0/141 variables, 141/141 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/141 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem MedleyA-PT-20-ReachabilityFireability-2025-03 is UNSAT
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-03 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 101/242 variables, 9/150 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 101/251 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 1/252 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 0/252 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 31/273 variables, 1/253 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/273 variables, 31/284 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/273 variables, 0/284 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 518/791 variables, 273/557 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/791 variables, 0/557 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/791 variables, 0/557 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 791/791 variables, and 557 constraints, problems are : Problem set: 1 solved, 7 unsolved in 2449 ms.
Refiners :[Domain max(s): 273/273 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 273/273 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/119 variables, 119/119 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/119 variables, 0/119 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem MedleyA-PT-20-ReachabilityFireability-2025-11 is UNSAT
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-11 TRUE TECHNIQUES SMT_REFINEMENT
Problem MedleyA-PT-20-ReachabilityFireability-2025-13 is UNSAT
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 115/234 variables, 9/128 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/234 variables, 115/243 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 1/244 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:57] [INFO ] Deduced a trap composed of 85 places in 238 ms of which 24 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/234 variables, 1/245 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 0/245 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 39/273 variables, 1/246 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/273 variables, 39/285 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:58] [INFO ] Deduced a trap composed of 86 places in 307 ms of which 107 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:59] [INFO ] Deduced a trap composed of 46 places in 123 ms of which 12 ms to minimize.
Problem MedleyA-PT-20-ReachabilityFireability-2025-08 is UNSAT
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:59] [INFO ] Deduced a trap composed of 169 places in 256 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:35:59] [INFO ] Deduced a trap composed of 154 places in 263 ms of which 49 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 4/289 constraints. Problems are: Problem set: 4 solved, 4 unsolved
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :157691 after 269792
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 0/289 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 518/791 variables, 273/562 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/791 variables, 0/562 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/791 variables, 0/562 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 791/791 variables, and 562 constraints, problems are : Problem set: 4 solved, 4 unsolved in 4089 ms.
Refiners :[Domain max(s): 273/273 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 273/273 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6775ms problems are : Problem set: 4 solved, 4 unsolved
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-07 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 284 ms.
Support contains 28 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 518/518 transitions.
Graph (trivial) has 163 edges and 273 vertex of which 20 / 273 are part of one of the 2 SCC in 5 ms
Free SCC test removed 18 places
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 255 transition count 482
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 23 place count 245 transition count 480
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 23 place count 245 transition count 479
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 244 transition count 479
Discarding 85 places :
Symmetric choice reduction at 2 with 85 rule applications. Total rules 110 place count 159 transition count 394
Iterating global reduction 2 with 85 rules applied. Total rules applied 195 place count 159 transition count 394
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 197 place count 159 transition count 392
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 197 place count 159 transition count 386
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 209 place count 153 transition count 386
Discarding 33 places :
Symmetric choice reduction at 3 with 33 rule applications. Total rules 242 place count 120 transition count 287
Iterating global reduction 3 with 33 rules applied. Total rules applied 275 place count 120 transition count 287
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 13 rules applied. Total rules applied 288 place count 120 transition count 274
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 291 place count 118 transition count 273
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 295 place count 114 transition count 265
Iterating global reduction 5 with 4 rules applied. Total rules applied 299 place count 114 transition count 265
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 300 place count 114 transition count 264
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 6 with 30 rules applied. Total rules applied 330 place count 99 transition count 249
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 331 place count 99 transition count 248
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 343 place count 93 transition count 260
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 344 place count 93 transition count 259
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 8 with 12 rules applied. Total rules applied 356 place count 93 transition count 247
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 357 place count 92 transition count 244
Iterating global reduction 8 with 1 rules applied. Total rules applied 358 place count 92 transition count 244
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 359 place count 92 transition count 243
Free-agglomeration rule applied 12 times.
Iterating global reduction 9 with 12 rules applied. Total rules applied 371 place count 92 transition count 231
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 9 with 12 rules applied. Total rules applied 383 place count 80 transition count 231
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 386 place count 80 transition count 228
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 387 place count 80 transition count 229
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 388 place count 79 transition count 229
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 389 place count 78 transition count 228
Applied a total of 389 rules in 188 ms. Remains 78 /273 variables (removed 195) and now considering 228/518 (removed 290) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 78/273 places, 228/518 transitions.
RANDOM walk for 40000 steps (11 resets) in 736 ms. (54 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (10 resets) in 132 ms. (300 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (9 resets) in 198 ms. (201 steps per ms) remains 1/2 properties
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-02 18:36:01] [INFO ] Flow matrix only has 223 transitions (discarded 5 similar events)
// Phase 1: matrix 223 rows 78 cols
[2025-06-02 18:36:01] [INFO ] Computed 11 invariants in 14 ms
[2025-06-02 18:36:01] [INFO ] State equation strengthened by 2 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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/78 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 223/301 variables, 78/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/301 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/301 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/301 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/76 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/78 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 223/301 variables, 78/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/301 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/301 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/301 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/301 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 301/301 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 419ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 14 out of 78 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 78/78 places, 228/228 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 78 transition count 227
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 77 transition count 227
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 5 place count 74 transition count 220
Iterating global reduction 0 with 3 rules applied. Total rules applied 8 place count 74 transition count 220
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 73 transition count 218
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 73 transition count 218
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 14 place count 71 transition count 219
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 70 transition count 213
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 70 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 70 transition count 212
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 21 place count 70 transition count 208
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 31 place count 66 transition count 202
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 66 transition count 199
Applied a total of 34 rules in 47 ms. Remains 66 /78 variables (removed 12) and now considering 199/228 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 66/78 places, 199/228 transitions.
RANDOM walk for 40000 steps (13 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 27782 steps (8 resets) in 119 ms. (231 steps per ms) remains 0/1 properties
FORMULA MedleyA-PT-20-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_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 11387 ms.

BK_STOP 1748889362593

--------------------
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="MedleyA-PT-20"
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 MedleyA-PT-20, 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 r128-smll-174876524200255"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-20.tgz
mv MedleyA-PT-20 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 ;