Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r338-smll-178021499200247.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is ErlangenMainframeV2-PT-bP05C05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499200247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 984K
-rw-r--r-- 1 mcc users 6.7K May 27 09:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 27 09:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 09:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 27 09:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 27 10:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 27 10:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 27 10:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 8.5K May 27 09:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K May 27 09:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 27 09:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 27 09:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 610K May 26 18:17 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 ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780379870167

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV2-PT-bP05C05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-02 05:57:52] [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]
[2026-06-02 05:57:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-02 05:57:52] [INFO ] Load time of PNML (sax parser for PT used): 279 ms
[2026-06-02 05:57:52] [INFO ] Transformed 259 places.
[2026-06-02 05:57:52] [INFO ] Transformed 1015 transitions.
[2026-06-02 05:57:52] [INFO ] Found NUPN structural information;
[2026-06-02 05:57:52] [INFO ] Parsed PT model containing 259 places and 1015 transitions and 11939 arcs in 466 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
[2026-06-02 05:57:54] [INFO ] Flatten gal took : 1044 ms
RANDOM walk for 40000 steps (8 resets) in 6845 ms. (5 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 173 ms. (23 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 16/16 properties
[2026-06-02 05:57:55] [INFO ] Flatten gal took : 313 ms
BEST_FIRST walk for 4003 steps (8 resets) in 157 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 143 ms. (27 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 90 ms. (43 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
BEST_FIRST walk for 4003 steps (8 resets) in 65 ms. (60 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 16/16 properties
[2026-06-02 05:57:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17519879900002349339.gal : 267 ms
BEST_FIRST walk for 4003 steps (8 resets) in 218 ms. (18 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 183 ms. (21 steps per ms) remains 16/16 properties
[2026-06-02 05:57:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11163562045250360928.prop : 15 ms
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 16/16 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17519879900002349339.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11163562045250360928.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11163562045250360928.prop.
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 3
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :3 after 5
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :6 after 12
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :12 after 99
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :99 after 1169
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :1169 after 1223
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :1223 after 12453
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :12453 after 55041
Reachability property ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-15 is true.
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :55041 after 5.14922e+06
Interrupted probabilistic random walk after 724675 steps, run timeout after 6001 ms. (steps per millisecond=120 ) properties seen :0 out of 16
Probabilistic random walk after 724675 steps, saw 108015 distinct states, run finished after 6012 ms. (steps per millisecond=120 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17723830871742017212.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9300617373691667840.kers'
[2026-06-02 05:58:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17723830871742017212.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9300617373691667840.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1015 rows 259 cols 11939 entries
Finished phase 1 with 238 SingleSign rule and 3 generalized
[2026-06-02 05:58:01] [INFO ] Computed 18 invariants in 9 ms
Computed 18 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-9300617373691667840.kers
Total runtime 12 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 88/88 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-13 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 107/195 variables, 12/100 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 107/207 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/207 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 64/259 variables, 6/213 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/259 variables, 64/277 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/259 variables, 0/277 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 1015/1274 variables, 259/536 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1274 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 0/1274 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1274/1274 variables, and 536 constraints, problems are : Problem set: 1 solved, 14 unsolved in 2750 ms.
Refiners :[Domain max(s): 259/259 constraints, Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 259/259 constraints, PredecessorRefiner: 15/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 86/86 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/86 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 109/195 variables, 12/98 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 109/207 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 2/209 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 0/209 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-01 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-04 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-05 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-10 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 64/259 variables, 6/215 constraints. Problems are: Problem set: 5 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/259 variables, 64/279 constraints. Problems are: Problem set: 5 solved, 10 unsolved
Problem ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-14 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 1/280 constraints. Problems are: Problem set: 6 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/280 constraints. Problems are: Problem set: 6 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 1015/1274 variables, 259/539 constraints. Problems are: Problem set: 6 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1274 variables, 1/540 constraints. Problems are: Problem set: 6 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1274 variables, 0/540 constraints. Problems are: Problem set: 6 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 0/1274 variables, 0/540 constraints. Problems are: Problem set: 6 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1274/1274 variables, and 540 constraints, problems are : Problem set: 6 solved, 9 unsolved in 4628 ms.
Refiners :[Domain max(s): 259/259 constraints, Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 259/259 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7695ms problems are : Problem set: 6 solved, 9 unsolved
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :5.14922e+06 after 2.49419e+07
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-08 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 6 properties in 1961 ms.
Support contains 17 out of 259 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 1015/1015 transitions.
Graph (trivial) has 217 edges and 259 vertex of which 10 / 259 are part of one of the 4 SCC in 8 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 99 transitions
Trivial Post-agglo rules discarded 99 transitions
Performed 99 trivial Post agglomeration. Transition count delta: 99
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 253 transition count 905
Reduce places removed 99 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 111 rules applied. Total rules applied 211 place count 154 transition count 893
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 214 place count 151 transition count 893
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 214 place count 151 transition count 886
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 228 place count 144 transition count 886
Discarding 33 places :
Symmetric choice reduction at 3 with 33 rule applications. Total rules 261 place count 111 transition count 853
Iterating global reduction 3 with 33 rules applied. Total rules applied 294 place count 111 transition count 853
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 294 place count 111 transition count 848
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 304 place count 106 transition count 848
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 310 place count 100 transition count 822
Iterating global reduction 3 with 6 rules applied. Total rules applied 316 place count 100 transition count 822
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 374 place count 71 transition count 793
Performed 7 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 388 place count 64 transition count 824
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 400 place count 64 transition count 812
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 402 place count 62 transition count 806
Iterating global reduction 4 with 2 rules applied. Total rules applied 404 place count 62 transition count 806
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 414 place count 62 transition count 796
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 416 place count 61 transition count 809
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 417 place count 61 transition count 808
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 6 with 8 rules applied. Total rules applied 425 place count 61 transition count 800
Free-agglomeration rule applied 7 times.
Iterating global reduction 6 with 7 rules applied. Total rules applied 432 place count 61 transition count 793
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 439 place count 54 transition count 793
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 7 with 5 rules applied. Total rules applied 444 place count 54 transition count 788
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 445 place count 54 transition count 794
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 448 place count 53 transition count 792
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 8 with 13 rules applied. Total rules applied 461 place count 53 transition count 779
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 462 place count 52 transition count 778
Applied a total of 462 rules in 912 ms. Remains 52 /259 variables (removed 207) and now considering 778/1015 (removed 237) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 923 ms. Remains : 52/259 places, 778/1015 transitions.
RANDOM walk for 40000 steps (8 resets) in 3794 ms. (10 steps per ms) remains 2/3 properties
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 494 ms. (80 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 367 ms. (108 steps per ms) remains 2/2 properties
[2026-06-02 05:58:13] [INFO ] Flow matrix only has 772 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17731795782168669056.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18044908409339327040.kers'
[2026-06-02 05:58:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17731795782168669056.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18044908409339327040.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 1 ms.
// Phase 1: matrix 772 rows 49 cols 10615 entries
Finished phase 1 with 31 SingleSign rule and 3 generalized
[2026-06-02 05:58:13] [INFO ] Computed 18 invariants in 6 ms
Computed 18 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-18044908409339327040.kers
Total runtime 9 ms.
[2026-06-02 05:58:13] [INFO ] State equation strengthened by 19 read => feed constraints.
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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/26 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/44 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 762/806 variables, 44/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/806 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/806 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 18/824 variables, 8/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/824 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/824 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/824 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/824 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 824/824 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 52/52 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/26 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 18/44 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 762/806 variables, 44/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/806 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/806 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 18/824 variables, 8/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/824 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/824 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/824 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/824 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 824/824 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 649 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 52/52 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1127ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-03 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 124 ms.
Support contains 7 out of 52 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 52/52 places, 778/778 transitions.
Graph (trivial) has 5 edges and 52 vertex of which 2 / 52 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 46 transition count 565
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 46 transition count 565
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 13 place count 44 transition count 295
Iterating global reduction 0 with 2 rules applied. Total rules applied 15 place count 44 transition count 295
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 17 place count 43 transition count 294
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 18 place count 43 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 43 transition count 291
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 43 transition count 289
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 29 place count 41 transition count 284
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 41 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 32 place count 40 transition count 281
Applied a total of 32 rules in 83 ms. Remains 40 /52 variables (removed 12) and now considering 281/778 (removed 497) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 40/52 places, 281/778 transitions.
RANDOM walk for 5240 steps (0 resets) in 423 ms. (12 steps per ms) remains 0/1 properties
FORMULA ErlangenMainframeV2-PT-bP05C05-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_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 22533 ms.

BK_STOP 1780379894949

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="ErlangenMainframeV2-PT-bP05C05"
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 2-5973"
echo " Executing tool itstools"
echo " Input is ErlangenMainframeV2-PT-bP05C05, 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 r338-smll-178021499200247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-bP05C05.tgz
mv ErlangenMainframeV2-PT-bP05C05 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 ;