Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590100631.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 UtahNoC-PT-none, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590100631
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 8.4K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 205K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-00
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-01
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-02
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-03
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-04
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-05
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-06
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-07
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-08
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-09
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-10
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-11
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-12
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-13
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-14
FORMULA_NAME UtahNoC-PT-none-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749263324377

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtahNoC-PT-none
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-07 02:28:45] [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]
[2025-06-07 02:28:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 02:28:46] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2025-06-07 02:28:46] [INFO ] Transformed 216 places.
[2025-06-07 02:28:46] [INFO ] Transformed 977 transitions.
[2025-06-07 02:28:46] [INFO ] Found NUPN structural information;
[2025-06-07 02:28:46] [INFO ] Parsed PT model containing 216 places and 977 transitions and 2905 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 148 transitions
Reduce redundant transitions removed 148 transitions.
[2025-06-07 02:28:46] [INFO ] Flatten gal took : 115 ms
RANDOM walk for 40000 steps (8 resets) in 1796 ms. (22 steps per ms) remains 7/16 properties
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-07 02:28:46] [INFO ] Flatten gal took : 84 ms
[2025-06-07 02:28:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8346251337448942980.gal : 60 ms
BEST_FIRST walk for 40004 steps (8 resets) in 527 ms. (75 steps per ms) remains 7/7 properties
[2025-06-07 02:28:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15056186046163309479.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8346251337448942980.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15056186046163309479.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
BEST_FIRST walk for 40004 steps (8 resets) in 498 ms. (80 steps per ms) remains 7/7 properties
Loading property file /tmp/ReachabilityCardinality15056186046163309479.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 333 ms. (119 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 176 ms. (226 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :5 after 12
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :12 after 20
BEST_FIRST walk for 40003 steps (8 resets) in 103 ms. (384 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :20 after 478
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :478 after 489
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :489 after 692
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :692 after 10882
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 7/7 properties
[2025-06-07 02:28:47] [INFO ] Flow matrix only has 427 transitions (discarded 402 similar events)
// Phase 1: matrix 427 rows 216 cols
[2025-06-07 02:28:47] [INFO ] Computed 8 invariants in 10 ms
[2025-06-07 02:28:47] [INFO ] State equation strengthened by 43 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :10882 after 116923
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Invariant property UtahNoC-PT-none-ReachabilityFireability-2025-11 does not hold.
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 89/89 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/89 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem UtahNoC-PT-none-ReachabilityFireability-2025-01 is UNSAT
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 127/216 variables, 8/97 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 127/224 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 426/642 variables, 216/440 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/642 variables, 42/482 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 0/482 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :116923 after 486685
At refinement iteration 8 (OVERLAPS) 1/643 variables, 1/483 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 0/483 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/643 variables, 0/483 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 643/643 variables, and 483 constraints, problems are : Problem set: 2 solved, 5 unsolved in 1247 ms.
Refiners :[Domain max(s): 216/216 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 216/216 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 7/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 79/79 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/79 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem UtahNoC-PT-none-ReachabilityFireability-2025-08 is UNSAT
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 137/216 variables, 8/87 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/216 variables, 137/224 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/216 variables, 0/224 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 426/642 variables, 216/440 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/642 variables, 42/482 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 1/483 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/642 variables, 0/483 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1/643 variables, 1/484 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 0/484 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/643 variables, 0/484 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 643/643 variables, and 484 constraints, problems are : Problem set: 3 solved, 4 unsolved in 1036 ms.
Refiners :[Domain max(s): 216/216 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 216/216 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2387ms problems are : Problem set: 3 solved, 4 unsolved
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-07 FALSE TECHNIQUES PARIKH_WALK
Invariant property UtahNoC-PT-none-ReachabilityFireability-2025-02 does not hold.
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :486685 after 863441
Parikh walk visited 2 properties in 537 ms.
Support contains 31 out of 216 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 216/216 places, 829/829 transitions.
Graph (trivial) has 263 edges and 216 vertex of which 59 / 216 are part of one of the 12 SCC in 2 ms
Free SCC test removed 47 places
Drop transitions (Empty/Sink Transition effects.) removed 197 transitions
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 257 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 0 with 2 rules applied. Total rules applied 3 place count 169 transition count 570
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 167 transition count 568
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 9 place count 165 transition count 568
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 9 place count 165 transition count 566
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 13 place count 163 transition count 566
Discarding 30 places :
Symmetric choice reduction at 3 with 30 rule applications. Total rules 43 place count 133 transition count 458
Iterating global reduction 3 with 30 rules applied. Total rules applied 73 place count 133 transition count 458
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 3 with 34 rules applied. Total rules applied 107 place count 133 transition count 424
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 113 place count 127 transition count 407
Iterating global reduction 4 with 6 rules applied. Total rules applied 119 place count 127 transition count 407
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 127 place count 127 transition count 399
Performed 3 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 133 place count 124 transition count 394
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 14 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 5 with 16 rules applied. Total rules applied 149 place count 124 transition count 378
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 3 rules applied. Total rules applied 152 place count 122 transition count 377
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 153 place count 121 transition count 377
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 154 place count 120 transition count 375
Iterating global reduction 8 with 1 rules applied. Total rules applied 155 place count 120 transition count 375
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 156 place count 120 transition count 374
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 160 place count 118 transition count 381
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 161 place count 118 transition count 380
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 10 with 4 rules applied. Total rules applied 165 place count 118 transition count 376
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 168 place count 115 transition count 373
Iterating global reduction 10 with 3 rules applied. Total rules applied 171 place count 115 transition count 373
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 173 place count 115 transition count 371
Free-agglomeration rule applied 5 times.
Iterating global reduction 11 with 5 rules applied. Total rules applied 178 place count 115 transition count 366
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 11 with 5 rules applied. Total rules applied 183 place count 110 transition count 366
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 184 place count 110 transition count 365
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 12 with 1 rules applied. Total rules applied 185 place count 110 transition count 367
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 186 place count 109 transition count 367
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 13 with 7 rules applied. Total rules applied 193 place count 109 transition count 367
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 194 place count 109 transition count 366
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 13 with 1 rules applied. Total rules applied 195 place count 109 transition count 365
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 196 place count 108 transition count 365
Applied a total of 196 rules in 215 ms. Remains 108 /216 variables (removed 108) and now considering 365/829 (removed 464) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 108/216 places, 365/829 transitions.
RANDOM walk for 40000 steps (8 resets) in 484 ms. (82 steps per ms) remains 1/2 properties
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
[2025-06-07 02:28:50] [INFO ] Flow matrix only has 209 transitions (discarded 156 similar events)
// Phase 1: matrix 209 rows 108 cols
[2025-06-07 02:28:50] [INFO ] Computed 8 invariants in 2 ms
[2025-06-07 02:28:50] [INFO ] State equation strengthened by 51 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) 81/107 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/108 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 209/317 variables, 108/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 51/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/317 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 317/317 variables, and 167 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 1/0 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) 81/107 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/108 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 209/317 variables, 108/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 51/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/317 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 317/317 variables, and 167 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 108/108 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 262ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 26 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 365/365 transitions.
Graph (trivial) has 42 edges and 108 vertex of which 4 / 108 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 13 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 104 transition count 348
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 104 transition count 348
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 104 transition count 346
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 104 transition count 345
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 103 transition count 342
Applied a total of 10 rules in 15 ms. Remains 103 /108 variables (removed 5) and now considering 342/365 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 103/108 places, 342/365 transitions.
RANDOM walk for 40000 steps (8 resets) in 330 ms. (120 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :863441 after 1.01316e+06
Finished probabilistic random walk after 440414 steps, run visited all 1 properties in 931 ms. (steps per millisecond=473 )
Probabilistic random walk after 440414 steps, saw 247734 distinct states, run finished after 934 ms. (steps per millisecond=471 ) properties seen :1
FORMULA UtahNoC-PT-none-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_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 6251 ms.

BK_STOP 1749263332153

--------------------
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="UtahNoC-PT-none"
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 UtahNoC-PT-none, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r240-tall-174915590100631"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtahNoC-PT-none.tgz
mv UtahNoC-PT-none 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 ;