fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r338-smll-178021499100167
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ErlangenMainframeV2-PT-aP09C09

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
12720.663 384015.00 917391.00 1053.40 TTFFTFFTTFFTTTTF normal

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-178021499100167.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-aP09C09, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 69M
-rw-r--r-- 1 mcc users 6.8K May 27 09:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 27 09:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 27 09:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 09:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 27 10:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 27 10:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 27 10:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:37 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 83K May 27 09:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 27 09:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 27 09:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 27 10:37 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 69M 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-aP09C09-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780334316368

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-aP09C09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-01 17:18:38] [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 17:18:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 17:18:43] [INFO ] Load time of PNML (sax parser for PT used): 4308 ms
[2026-06-01 17:18:43] [INFO ] Transformed 100 places.
[2026-06-01 17:18:43] [INFO ] Transformed 59159 transitions.
[2026-06-01 17:18:43] [INFO ] Found NUPN structural information;
[2026-06-01 17:18:43] [INFO ] Parsed PT model containing 100 places and 59159 transitions and 1378263 arcs in 5001 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 45 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 54259 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1127 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 524 ms. (7 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1183 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 845 ms. (4 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 656 ms. (6 steps per ms) remains 15/16 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1241 ms. (3 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 941 ms. (4 steps per ms) remains 14/15 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 873 ms. (4 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1116 ms. (3 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1131 ms. (3 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1194 ms. (3 steps per ms) remains 13/14 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 701 ms. (5 steps per ms) remains 12/13 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1211 ms. (3 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (8 resets) in 796 ms. (5 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1106 ms. (3 steps per ms) remains 11/12 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 851 ms. (4 steps per ms) remains 11/11 properties
[2026-06-01 17:19:04] [INFO ] Flow matrix only has 59154 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-14145850909430362201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17792236138584887697.kers'
[2026-06-01 17:19:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14145850909430362201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17792236138584887697.kers]
Normalized transition count is 59153 out of 59154 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 402 ms.
// Phase 1: matrix 59153 rows 99 cols 1319091 entries
Finished phase 1 with 71 SingleSign rule and 3 generalized
[2026-06-01 17:19:06] [INFO ] Computed 26 invariants in 1317 ms
Computed 26 P flows in 1319 ms.
Exported basis to /tmp/petrispot-output-17792236138584887697.kers
Total runtime 1509 ms.
[2026-06-01 17:19:06] [INFO ] Flatten gal took : 19215 ms
[2026-06-01 17:19:07] [INFO ] State equation strengthened by 40 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-03 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 1/61 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/61 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-09 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-15 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 8/68 variables, 12/73 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 8/81 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/81 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 14/82 variables, 4/85 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 14/99 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/99 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-02 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 18/100 variables, 9/108 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 18/126 constraints. Problems are: Problem set: 4 solved, 7 unsolved
[2026-06-01 17:19:17] [INFO ] Flatten gal took : 10698 ms
[2026-06-01 17:19:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12834782343052485060.gal : 1348 ms
[2026-06-01 17:19:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6774250875759671833.prop : 8 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/ReachabilityCardinality12834782343052485060.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6774250875759671833.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 ...329
SMT process timed out in 71399ms, After SMT, problems are : Problem set: 4 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 59158/59158 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 59153
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 16 place count 89 transition count 59126
Iterating global reduction 1 with 11 rules applied. Total rules applied 27 place count 89 transition count 59126
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 22 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 88 transition count 59143
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 30 place count 88 transition count 59142
Free-agglomeration rule applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 88 transition count 59136
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 46 place count 82 transition count 59132
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 48 place count 80 transition count 59117
Iterating global reduction 3 with 2 rules applied. Total rules applied 50 place count 80 transition count 59117
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 52 place count 80 transition count 59115
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 54 place count 80 transition count 59110
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 63 place count 77 transition count 59104
Applied a total of 63 rules in 9566 ms. Remains 77 /100 variables (removed 23) and now considering 59104/59158 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9598 ms. Remains : 77/100 places, 59104/59158 transitions.
RANDOM walk for 40000 steps (8 resets) in 40168 ms. (0 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1936 ms. (20 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4390 ms. (9 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1852 ms. (21 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 3191 ms. (12 steps per ms) remains 6/7 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 3101 ms. (12 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5216 ms. (7 steps per ms) remains 5/6 properties
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2303 ms. (17 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13099131343066495741.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17532832301338545647.kers'
[2026-06-01 17:20:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13099131343066495741.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17532832301338545647.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 244 ms.
// Phase 1: matrix 59104 rows 73 cols 1318901 entries
Finished phase 1 with 49 SingleSign rule and 3 generalized
[2026-06-01 17:20:44] [INFO ] Computed 25 invariants in 1102 ms
Computed 25 P flows in 1103 ms.
Exported basis to /tmp/petrispot-output-17532832301338545647.kers
Total runtime 1286 ms.
[2026-06-01 17:20:44] [INFO ] State equation strengthened by 22 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/65 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 3/68 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 9/77 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Loading property file /tmp/ReachabilityCardinality6774250875759671833.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 59181/59181 variables, and 102 constraints, problems are : Problem set: 0 solved, 5 unsolved in 45019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 77/77 constraints, ReadFeed: 0/22 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) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-00 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-08 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 5/65 variables, 12/13 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/13 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 3/68 variables, 3/16 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-01 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 9/77 variables, 9/25 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 0/25 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 59181/59181 variables, and 102 constraints, problems are : Problem set: 3 solved, 2 unsolved in 40913 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 77/77 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 88310ms problems are : Problem set: 3 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30 out of 77 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 77/77 places, 59104/59104 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 75 transition count 48169
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 75 transition count 48169
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 16 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 67 transition count 48161
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 21 place count 67 transition count 48160
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 22 place count 66 transition count 48160
Applied a total of 22 rules in 6473 ms. Remains 66 /77 variables (removed 11) and now considering 48160/59104 (removed 10944) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6473 ms. Remains : 66/77 places, 48160/59104 transitions.
RANDOM walk for 40000 steps (8 resets) in 74747 ms. (0 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 1271 ms. (31 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1240 ms. (32 steps per ms) remains 2/2 properties
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :13 after 17
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :17 after 126
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :126 after 132
Interrupted probabilistic random walk after 276033 steps, run timeout after 60001 ms. (steps per millisecond=4 ) properties seen :1 out of 2
Probabilistic random walk after 276033 steps, saw 77727 distinct states, run finished after 60014 ms. (steps per millisecond=4 ) properties seen :1
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7570006574541473109.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7292782459419646740.kers'
[2026-06-01 17:23:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7570006574541473109.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7292782459419646740.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 192 ms.
// Phase 1: matrix 48160 rows 62 cols 1089248 entries
Finished phase 1 with 38 SingleSign rule and 3 generalized
[2026-06-01 17:23:38] [INFO ] Computed 25 invariants in 905 ms
Computed 25 P flows in 906 ms.
Exported basis to /tmp/petrispot-output-7292782459419646740.kers
Total runtime 1084 ms.
[2026-06-01 17:23:39] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/30 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/38 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 28/66 variables, 10/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :132 after 1887
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 48226/48226 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 28943 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 66/66 constraints, ReadFeed: 0/22 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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/30 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/38 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 28/66 variables, 10/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 48226/48226 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34397 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 66/66 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65037ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 48160/48160 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 58 transition count 26801
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 58 transition count 26801
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 19 place count 55 transition count 8330
Iterating global reduction 0 with 3 rules applied. Total rules applied 22 place count 55 transition count 8330
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 27 place count 55 transition count 8325
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 28 place count 55 transition count 8325
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 0 with 3 rules applied. Total rules applied 31 place count 54 transition count 8323
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 54 transition count 8322
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 53 transition count 8321
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 16 edges and 50 vertex of which 2 / 50 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Iterating post reduction 1 with 4 rules applied. Total rules applied 37 place count 49 transition count 8321
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 39 place count 49 transition count 8319
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 40 place count 48 transition count 4431
Iterating global reduction 3 with 1 rules applied. Total rules applied 41 place count 48 transition count 4431
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 42 place count 48 transition count 4430
Applied a total of 42 rules in 13921 ms. Remains 48 /66 variables (removed 18) and now considering 4430/48160 (removed 43730) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13921 ms. Remains : 48/66 places, 4430/48160 transitions.
RANDOM walk for 40000 steps (8 resets) in 8009 ms. (4 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 709 ms. (56 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 66767 steps, run visited all 1 properties in 1170 ms. (steps per millisecond=57 )
Probabilistic random walk after 66767 steps, saw 8480 distinct states, run finished after 1176 ms. (steps per millisecond=56 ) properties seen :1
FORMULA ErlangenMainframeV2-PT-aP09C09-ReachabilityFireability-2024-13 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 381785 ms.

BK_STOP 1780334700383

--------------------
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-aP09C09"
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-aP09C09, 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-178021499100167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-aP09C09.tgz
mv ErlangenMainframeV2-PT-aP09C09 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 ;