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-178021499200239.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-bP04C04, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499200239
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 5.5K May 27 09:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 27 09:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 09:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 27 09:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 27 10:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.8K May 27 09:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K May 27 09:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 27 09:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 09:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:41 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 222K 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-bP04C04-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780373717310

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-bP04C04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-02 04:15:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-02 04:15:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-02 04:15:20] [INFO ] Load time of PNML (sax parser for PT used): 302 ms
[2026-06-02 04:15:20] [INFO ] Transformed 239 places.
[2026-06-02 04:15:20] [INFO ] Transformed 511 transitions.
[2026-06-02 04:15:20] [INFO ] Found NUPN structural information;
[2026-06-02 04:15:20] [INFO ] Parsed PT model containing 239 places and 511 transitions and 3954 arcs in 563 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
[2026-06-02 04:15:21] [INFO ] Flatten gal took : 501 ms
RANDOM walk for 40000 steps (8 resets) in 5046 ms. (7 steps per ms) remains 12/16 properties
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-06-02 04:15:22] [INFO ] Flatten gal took : 125 ms
[2026-06-02 04:15:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4020704760696767542.gal : 137 ms
[2026-06-02 04:15:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6856516713750942971.prop : 16 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4020704760696767542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6856516713750942971.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (8 resets) in 1041 ms. (38 steps per ms) remains 12/12 properties

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 ...328
BEST_FIRST walk for 40001 steps (8 resets) in 628 ms. (63 steps per ms) remains 10/12 properties
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality6856516713750942971.prop.
BEST_FIRST walk for 40000 steps (8 resets) in 524 ms. (76 steps per ms) remains 9/10 properties
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :3 after 6
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :6 after 9
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :9 after 97
Reachability property ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-08 is true.
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :97 after 547
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :547 after 561
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :561 after 624
BEST_FIRST walk for 40000 steps (8 resets) in 768 ms. (52 steps per ms) remains 9/9 properties
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :624 after 4498
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :4498 after 14659
BEST_FIRST walk for 40000 steps (8 resets) in 898 ms. (44 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 655 ms. (60 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (8 resets) in 607 ms. (65 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (8 resets) in 637 ms. (62 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 435 ms. (91 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 444 ms. (89 steps per ms) remains 8/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11950610981047139317.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9186942898638129468.kers'
[2026-06-02 04:15:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11950610981047139317.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9186942898638129468.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 511 rows 239 cols 3954 entries
Finished phase 1 with 220 SingleSign rule and 3 generalized
[2026-06-02 04:15:24] [INFO ] Computed 16 invariants in 5 ms
Computed 16 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-9186942898638129468.kers
Total runtime 8 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 119/188 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 119/199 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 51/239 variables, 5/204 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 51/255 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Invariant property ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-00 does not hold.
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :14659 after 532300
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :532300 after 2.0657e+06
At refinement iteration 8 (OVERLAPS) 511/750 variables, 239/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :2.0657e+06 after 6.05912e+07
At refinement iteration 9 (INCLUDED_ONLY) 0/750 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/750 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 750/750 variables, and 494 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2188 ms.
Refiners :[Domain max(s): 239/239 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 239/239 constraints, PredecessorRefiner: 8/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 119/188 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 119/199 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 1/200 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 51/239 variables, 5/205 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 51/256 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-01 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 2/258 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 0/258 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 511/750 variables, 239/497 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/750 variables, 1/498 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/750 variables, 0/498 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 0/750 variables, 0/498 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 750/750 variables, and 498 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5009 ms.
Refiners :[Domain max(s): 239/239 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 239/239 constraints, PredecessorRefiner: 8/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7488ms problems are : Problem set: 1 solved, 7 unsolved
Fused 7 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 410 ms.
Support contains 67 out of 239 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 511/511 transitions.
Graph (trivial) has 100 edges and 239 vertex of which 4 / 239 are part of one of the 2 SCC in 9 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 0 with 35 rules applied. Total rules applied 36 place count 237 transition count 472
Reduce places removed 35 places and 0 transitions.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Iterating post reduction 1 with 50 rules applied. Total rules applied 86 place count 202 transition count 457
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 101 place count 187 transition count 457
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 101 place count 187 transition count 441
Deduced a syphon composed of 16 places in 3 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 133 place count 171 transition count 441
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 173 place count 131 transition count 401
Iterating global reduction 3 with 40 rules applied. Total rules applied 213 place count 131 transition count 401
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 9 rules applied. Total rules applied 222 place count 131 transition count 392
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 224 place count 130 transition count 391
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 225 place count 129 transition count 391
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 245 place count 119 transition count 381
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 246 place count 119 transition count 380
Free-agglomeration rule applied 4 times.
Iterating global reduction 6 with 4 rules applied. Total rules applied 250 place count 119 transition count 376
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 254 place count 115 transition count 376
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 7 with 5 rules applied. Total rules applied 259 place count 115 transition count 376
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 261 place count 115 transition count 376
Applied a total of 261 rules in 393 ms. Remains 115 /239 variables (removed 124) and now considering 376/511 (removed 135) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 403 ms. Remains : 115/239 places, 376/511 transitions.
RANDOM walk for 40000 steps (8 resets) in 623 ms. (64 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (8 resets) in 532 ms. (75 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 456 ms. (87 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (8 resets) in 463 ms. (86 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (8 resets) in 466 ms. (85 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (8 resets) in 536 ms. (74 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 442 ms. (90 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 196 ms. (203 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 386422 steps, run timeout after 3001 ms. (steps per millisecond=128 ) properties seen :0 out of 7
Probabilistic random walk after 386422 steps, saw 100076 distinct states, run finished after 3009 ms. (steps per millisecond=128 ) 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-15895171551725185517.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9451207655241879293.kers'
[2026-06-02 04:15:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15895171551725185517.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9451207655241879293.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 376 rows 115 cols 3688 entries
Finished phase 1 with 96 SingleSign rule and 3 generalized
[2026-06-02 04:15:36] [INFO ] Computed 16 invariants in 3 ms
Computed 16 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-9451207655241879293.kers
Total runtime 5 ms.
[2026-06-02 04:15:36] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 36/103 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 12/115 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 376/491 variables, 115/131 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/491 variables, 3/134 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/491 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 0/491 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 491/491 variables, and 134 constraints, problems are : Problem set: 0 solved, 7 unsolved in 543 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 115/115 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 7/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 36/103 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 12/115 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 376/491 variables, 115/136 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/491 variables, 3/139 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/491 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/491 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/491 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 491/491 variables, and 140 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2002 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 115/115 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 7/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2620ms problems are : Problem set: 0 solved, 7 unsolved
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 1161 ms.
Support contains 61 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 376/376 transitions.
Graph (trivial) has 12 edges and 115 vertex of which 4 / 115 are part of one of the 1 SCC in 1 ms
Free SCC test removed 3 places
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 112 transition count 370
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 111 transition count 369
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 5 place count 110 transition count 369
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
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 9 place count 108 transition count 367
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 11 place count 108 transition count 365
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 13 place count 106 transition count 365
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 14 place count 106 transition count 364
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 15 place count 106 transition count 363
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 16 place count 105 transition count 363
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 17 place count 105 transition count 363
Applied a total of 17 rules in 85 ms. Remains 105 /115 variables (removed 10) and now considering 363/376 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 105/115 places, 363/376 transitions.
RANDOM walk for 40000 steps (8 resets) in 1294 ms. (30 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (8 resets) in 324 ms. (123 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (8 resets) in 267 ms. (149 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (8 resets) in 343 ms. (116 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 221 ms. (180 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (8 resets) in 138 ms. (287 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 574235 steps, run timeout after 3004 ms. (steps per millisecond=191 ) properties seen :4 out of 5
Probabilistic random walk after 574235 steps, saw 183046 distinct states, run finished after 3004 ms. (steps per millisecond=191 ) properties seen :4
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2026-06-02 04:15:44] [INFO ] Flow matrix only has 362 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6462609228093994020.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11180242898890264556.kers'
[2026-06-02 04:15:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6462609228093994020.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11180242898890264556.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 362 rows 105 cols 3646 entries
Finished phase 1 with 86 SingleSign rule and 3 generalized
[2026-06-02 04:15:44] [INFO ] Computed 16 invariants in 3 ms
Computed 16 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-11180242898890264556.kers
Total runtime 5 ms.
[2026-06-02 04:15:44] [INFO ] State equation strengthened by 7 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/81 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/105 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 362/467 variables, 105/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/467 variables, 7/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/467 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/467 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 467/467 variables, and 128 constraints, problems are : Problem set: 0 solved, 1 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 7/7 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
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 50/81 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/105 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 362/467 variables, 105/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/467 variables, 7/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/467 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/467 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 467/467 variables, and 128 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 105/105 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 562ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 36 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=36 )
FORMULA ErlangenMainframeV2-PT-bP04C04-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 11 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 25443 ms.

BK_STOP 1780373745333

--------------------
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-bP04C04"
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-bP04C04, 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-178021499200239"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-bP04C04.tgz
mv ErlangenMainframeV2-PT-bP04C04 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 ;