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-178021499100191.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-aP12C04, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100191
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 90M
-rw-r--r-- 1 mcc users 6.8K May 27 10:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 27 10:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 27 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 27 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 27 10:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 27 10:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 27 10:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 27 10:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 27 10:39 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 90M 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-aP12C04-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780353388152

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-aP12C04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-01 22:36:30] [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]
[2026-06-01 22:36:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 22:36:35] [INFO ] Load time of PNML (sax parser for PT used): 5010 ms
[2026-06-01 22:36:35] [INFO ] Transformed 100 places.
[2026-06-01 22:36:36] [INFO ] Transformed 62312 transitions.
[2026-06-01 22:36:36] [INFO ] Found NUPN structural information;
[2026-06-01 22:36:36] [INFO ] Parsed PT model containing 100 places and 62312 transitions and 1825194 arcs in 5826 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 49 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 40000 steps (8 resets) in 77684 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1208 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 3051 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1217 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1253 ms. (3 steps per ms) remains 15/16 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1436 ms. (2 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1002 ms. (3 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 1144 ms. (3 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1801 ms. (2 steps per ms) remains 15/15 properties
[2026-06-01 22:37:01] [INFO ] Flatten gal took : 21362 ms
BEST_FIRST walk for 4004 steps (8 resets) in 1209 ms. (3 steps per ms) remains 14/15 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 967 ms. (4 steps per ms) remains 13/14 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 963 ms. (4 steps per ms) remains 12/13 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1009 ms. (3 steps per ms) remains 11/12 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 2399 ms. (1 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1176 ms. (3 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1289 ms. (3 steps per ms) remains 10/11 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 1709 ms. (2 steps per ms) remains 10/10 properties
[2026-06-01 22:37:05] [INFO ] Flow matrix only has 62307 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-119372553450568018.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-670310085769290518.kers'
[2026-06-01 22:37:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-119372553450568018.kers, --Pflows, --basisKERS=/tmp/petrispot-output-670310085769290518.kers]
Normalized transition count is 62306 out of 62307 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 311 ms.
// Phase 1: matrix 62306 rows 99 cols 1762877 entries
Finished phase 1 with 65 SingleSign rule and 3 generalized
[2026-06-01 22:37:07] [INFO ] Computed 32 invariants in 1459 ms
Computed 32 P flows in 1461 ms.
Exported basis to /tmp/petrispot-output-670310085769290518.kers
Total runtime 1692 ms.
[2026-06-01 22:37:08] [INFO ] State equation strengthened by 38 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-01 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 9/72 variables, 16/80 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 9/89 constraints. Problems are: Problem set: 1 solved, 9 unsolved
[2026-06-01 22:37:16] [INFO ] Flatten gal took : 14520 ms
[2026-06-01 22:37:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9496897755218432553.gal : 1884 ms
[2026-06-01 22:37:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5182434318809196246.prop : 14 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/ReachabilityCardinality9496897755218432553.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5182434318809196246.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 ...328
SMT process timed out in 31370ms, After SMT, problems are : Problem set: 1 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 63 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 62311/62311 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 100 transition count 62306
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 11 place count 94 transition count 62284
Iterating global reduction 1 with 6 rules applied. Total rules applied 17 place count 94 transition count 62284
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 30 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 93 transition count 62301
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 20 place count 93 transition count 62300
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 25 place count 93 transition count 62295
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 34 place count 88 transition count 62291
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 36 place count 86 transition count 62276
Iterating global reduction 3 with 2 rules applied. Total rules applied 38 place count 86 transition count 62276
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 40 place count 86 transition count 62274
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 42 place count 86 transition count 62269
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 51 place count 83 transition count 62263
Applied a total of 51 rules in 13700 ms. Remains 83 /100 variables (removed 17) and now considering 62263/62311 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13734 ms. Remains : 83/100 places, 62263/62311 transitions.
RANDOM walk for 40000 steps (8 resets) in 91663 ms. (0 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 9667 ms. (4 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 7662 ms. (5 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 6219 ms. (6 steps per ms) remains 8/9 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 6207 ms. (6 steps per ms) remains 7/8 properties
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 7277 ms. (5 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2476 ms. (16 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2434 ms. (16 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6223 ms. (6 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 2102 ms. (19 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4067626003113284979.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16896551717657157791.kers'
[2026-06-01 22:38:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4067626003113284979.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16896551717657157791.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 325 ms.
// Phase 1: matrix 62263 rows 80 cols 1762736 entries
Finished phase 1 with 49 SingleSign rule and 3 generalized
[2026-06-01 22:38:30] [INFO ] Computed 31 invariants in 1342 ms
Computed 31 P flows in 1344 ms.
Exported basis to /tmp/petrispot-output-16896551717657157791.kers
Total runtime 1573 ms.
[2026-06-01 22:38:31] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 6/69 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 2/71 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-06 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-13 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 7 (OVERLAPS) 12/83 variables, 12/32 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 0/32 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SMT process timed out in 47959ms, After SMT, problems are : Problem set: 2 solved, 5 unsolved
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 15 ms.
Support contains 63 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 62263/62263 transitions.
Applied a total of 0 rules in 3731 ms. Remains 83 /83 variables (removed 0) and now considering 62263/62263 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3734 ms. Remains : 83/83 places, 62263/62263 transitions.
Loading property file /tmp/ReachabilityCardinality5182434318809196246.prop.
RANDOM walk for 39515 steps (8 resets) in 118647 ms. (0 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 7393 ms. (5 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 8004 ms. (4 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 3021 ms. (13 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2733 ms. (14 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 2252 ms. (17 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 296493 steps, run timeout after 108005 ms. (steps per millisecond=2 ) properties seen :0 out of 5
Probabilistic random walk after 296493 steps, saw 179856 distinct states, run finished after 108239 ms. (steps per millisecond=2 ) properties seen :0
[2026-06-01 22:41:45] [INFO ] Invariant cache hit.
[2026-06-01 22:41:46] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 6/69 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 2/71 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 12/83 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/83 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 16
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :16 after 21
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :21 after 23
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :23 after 257
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :257 after 273
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 62346/62346 variables, and 114 constraints, problems are : Problem set: 0 solved, 5 unsolved in 75062 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 83/83 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-00 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-12 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 6/69 variables, 16/17 constraints. Problems are: Problem set: 2 solved, 3 unsolved
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :273 after 1964
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :1964 after 2070
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/18 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/71 variables, 2/20 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-02 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 7 (OVERLAPS) 12/83 variables, 12/32 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 0/32 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 62346/62346 variables, and 115 constraints, problems are : Problem set: 3 solved, 2 unsolved in 75009 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 83/83 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 151040ms problems are : Problem set: 3 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 18 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 62263/62263 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 83 transition count 62255
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 75 transition count 62255
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 18 place count 73 transition count 50735
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 73 transition count 50735
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 18 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 28 place count 69 transition count 50731
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 69 transition count 50730
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 30 place count 68 transition count 50730
Applied a total of 30 rules in 10100 ms. Remains 68 /83 variables (removed 15) and now considering 50730/62263 (removed 11533) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10100 ms. Remains : 68/83 places, 50730/62263 transitions.
RANDOM walk for 28939 steps (8 resets) in 120020 ms. (0 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 1610 ms. (24 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 2903 ms. (13 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 240699 steps, run timeout after 93001 ms. (steps per millisecond=2 ) properties seen :0 out of 2
Probabilistic random walk after 240699 steps, saw 67346 distinct states, run finished after 93002 ms. (steps per millisecond=2 ) 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-12585378784026687701.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2083970679712978700.kers'
[2026-06-01 22:46:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12585378784026687701.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2083970679712978700.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 270 ms.
// Phase 1: matrix 50730 rows 64 cols 1451643 entries
SDD proceeding with computation,9 properties remain. new max is 512
Finished phase 1 with 34 SingleSign rule and 3 generalized
[2026-06-01 22:46:32] [INFO ] Computed 31 invariants in 1258 ms
Computed 31 P flows in 1260 ms.
Exported basis to /tmp/petrispot-output-2083970679712978700.kers
Total runtime 1478 ms.
SDD size :2070 after 36436
[2026-06-01 22:46:33] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/31 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/39 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/68 variables, 13/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 50798/50798 variables, and 99 constraints, problems are : Problem set: 0 solved, 2 unsolved in 53805 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 68/68 constraints, ReadFeed: 0/20 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) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/31 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/39 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/68 variables, 13/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 50798/50798 variables, and 99 constraints, problems are : Problem set: 0 solved, 2 unsolved in 58400 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 68/68 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 114561ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 18 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 50730/50730 transitions.
Applied a total of 0 rules in 2176 ms. Remains 68 /68 variables (removed 0) and now considering 50730/50730 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2177 ms. Remains : 68/68 places, 50730/50730 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 50730/50730 transitions.
Applied a total of 0 rules in 2194 ms. Remains 68 /68 variables (removed 0) and now considering 50730/50730 (removed 0) transitions.
[2026-06-01 22:48:30] [INFO ] Invariant cache hit.
[2026-06-01 22:49:59] [INFO ] Performed 59/68 implicitness test of which 3 returned IMPLICIT in 88 seconds.
[2026-06-01 22:50:02] [INFO ] Implicit Places using invariants in 91953 ms returned [57, 58, 59, 62]
[2026-06-01 22:50:02] [INFO ] Actually due to overlaps returned [59, 62]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 92223 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 66/68 places, 50730/50730 transitions.
Graph (trivial) has 20 edges and 66 vertex of which 3 / 66 are part of one of the 1 SCC in 9 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 63 transition count 29988
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 63 transition count 29988
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 63 transition count 29987
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 62 transition count 29986
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 32 edges and 60 vertex of which 28 / 60 are part of one of the 12 SCC in 2 ms
Free SCC test removed 16 places
Iterating post reduction 1 with 3 rules applied. Total rules applied 8 place count 44 transition count 29986
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Ensure Unique test removed 11520 transitions
Reduce isomorphic transitions removed 11552 transitions.
Iterating post reduction 2 with 11552 rules applied. Total rules applied 11560 place count 44 transition count 18434
Ensure Unique test removed 11 places
Iterating post reduction 3 with 11 rules applied. Total rules applied 11571 place count 33 transition count 18434
Applied a total of 11571 rules in 35881 ms. Remains 33 /66 variables (removed 33) and now considering 18434/50730 (removed 32296) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5546090940531329013.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10673095055518044005.kers'
[2026-06-01 22:50:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5546090940531329013.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10673095055518044005.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 91 ms.
// Phase 1: matrix 18434 rows 30 cols 267267 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-06-01 22:50:38] [INFO ] Computed 16 invariants in 315 ms
Computed 16 P flows in 316 ms.
Exported basis to /tmp/petrispot-output-10673095055518044005.kers
Total runtime 358 ms.
[2026-06-01 22:50:46] [INFO ] Implicit Places using invariants in 8056 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 8109 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 32/68 places, 18434/50730 transitions.
Applied a total of 0 rules in 26871 ms. Remains 32 /32 variables (removed 0) and now considering 18434/18434 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 165287 ms. Remains : 32/68 places, 18434/50730 transitions.
RANDOM walk for 9872 steps (0 resets) in 120058 ms. (0 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 422 ms. (94 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 449 ms. (88 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 25941 steps, run visited all 2 properties in 8382 ms. (steps per millisecond=3 )
Probabilistic random walk after 25941 steps, saw 13400 distinct states, run finished after 8405 ms. (steps per millisecond=3 ) properties seen :2
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ErlangenMainframeV2-PT-aP12C04-ReachabilityFireability-2024-07 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 921731 ms.

BK_STOP 1780354312820

--------------------
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-aP12C04"
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-aP12C04, 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-178021499100191"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-aP12C04.tgz
mv ErlangenMainframeV2-PT-aP12C04 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 ;