fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r360-tall-178024403900135
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for SupplyChain-PT-00200

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
13533.067 814419.00 2157690.00 1046.60 T 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.r360-tall-178024403900135.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)
..........................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is SupplyChain-PT-00200, examination is OneSafe
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r360-tall-178024403900135
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.6K May 27 07:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 27 07:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 27 07:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 27 07:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 27 10:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 27 10:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 12K May 27 07:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K May 27 07:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 27 07:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K May 27 07:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 6 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 820K 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

FORMULA_NAME OneSafe

=== Now, execution of the tool begins

BK_START 1780293557152

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=OneSafe
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
OneSafe PT
Running Version 202604301425
[2026-06-01 05:59:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, OneSafe, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-06-01 05:59:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 05:59:18] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2026-06-01 05:59:18] [INFO ] Transformed 2604 places.
[2026-06-01 05:59:18] [INFO ] Transformed 1603 transitions.
[2026-06-01 05:59:18] [INFO ] Parsed PT model containing 2604 places and 1603 transitions and 7206 arcs in 258 ms.
Structural unfed/single firing approximation deduced that 1002/2604 places are one safe.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5698635522316248659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10900473097212204801.kers'
[2026-06-01 05:59:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5698635522316248659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10900473097212204801.kers]
Normalized transition count is 1602 out of 1603 initially.
Culling duplicate invariants (modulo rational): removing 690 columns.
Culled 690 columns in 4 ms.
// Phase 1: matrix 1602 rows 1914 cols 5204 entries
Finished phase 1 with 1112 SingleSign rule and 200 generalized
[2026-06-01 05:59:18] [INFO ] Computed 1292 invariants in 14 ms
Computed 1292 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-10900473097212204801.kers
Total runtime 17 ms.
[2026-06-01 05:59:18] [INFO ] Rough structural analysis with invariants proved 382 places are one safe in 91 ms (including invariant computation).
[2026-06-01 05:59:20] [INFO ] [Real]Absence check using 402 positive place invariants in 942 ms proved 0 places are One-Safe.
[2026-06-01 05:59:21] [INFO ] [Real]Absence check using 402 positive and 890 generalized place invariants in 1065 ms proved 0 places are One-Safe.
[2026-06-01 05:59:23] [INFO ] [Real] State equation constraints in 1826 ms proved 2221 places are One-Safe.
[2026-06-01 05:59:24] [INFO ] Flatten gal took : 508 ms
[2026-06-01 05:59:24] [INFO ] Flatten gal took : 207 ms
[2026-06-01 05:59:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8792395989381290343.gal : 91 ms
[2026-06-01 05:59:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3754047931099590543.prop : 11 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/ReachabilityCardinality8792395989381290343.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3754047931099590543.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
Loading property file /tmp/ReachabilityCardinality3754047931099590543.prop.
RANDOM walk for 40000 steps (48 resets) in 7949 ms. (5 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1220/1220 properties
SDD proceeding with computation,1220 properties remain. new max is 4
SDD size :1 after 3
Probabilistic random walk after 30001 steps, saw 29805 distinct states, run finished after 3339 ms. (steps per millisecond=8 ) properties seen :0
[2026-06-01 05:59:28] [INFO ] Invariant cache hit.
[2026-06-01 05:59:28] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,1220 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,1220 properties remain. new max is 16
SDD size :9 after 27
SDD proceeding with computation,1220 properties remain. new max is 32
SDD size :27 after 171
SDD proceeding with computation,1220 properties remain. new max is 64
SDD size :171 after 513
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 510/510 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1220/4207 variables, and 510 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 5051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/402 constraints, Generalized P Invariants (flows): 510/890 constraints, State Equation: 0/2604 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 510/510 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1220/4207 variables, and 510 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 5028 ms.
Refiners :[Positive P Invariants (semi-flows): 0/402 constraints, Generalized P Invariants (flows): 510/890 constraints, State Equation: 0/2604 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10447ms problems are : Problem set: 0 solved, 1220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1220 out of 2604 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2604/2604 places, 1603/1603 transitions.
Graph (complete) has 7162 edges and 2604 vertex of which 2602 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.9 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Ensure Unique test removed 380 places
Iterating post reduction 0 with 380 rules applied. Total rules applied 381 place count 2222 transition count 1601
Free-agglomeration rule applied 200 times.
Iterating global reduction 1 with 200 rules applied. Total rules applied 581 place count 2222 transition count 1401
Ensure Unique test removed 200 places
Reduce places removed 400 places and 0 transitions.
Ensure Unique test removed 200 transitions
Reduce isomorphic transitions removed 200 transitions.
Iterating post reduction 1 with 600 rules applied. Total rules applied 1181 place count 1822 transition count 1201
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 1181 place count 1822 transition count 1001
Deduced a syphon composed of 200 places in 0 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 1581 place count 1622 transition count 1001
Applied a total of 1581 rules in 596 ms. Remains 1622 /2604 variables (removed 982) and now considering 1001/1603 (removed 602) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 602 ms. Remains : 1622/2604 places, 1001/1603 transitions.
SDD proceeding with computation,1220 properties remain. new max is 128
SDD size :513 after 137781
RANDOM walk for 1020093 steps (1987 resets) in 120004 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
Probabilistic random walk after 1000001 steps, saw 337088 distinct states, run finished after 46259 ms. (steps per millisecond=21 ) 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-13694267239581609437.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13866785446026136375.kers'
[2026-06-01 06:00:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13694267239581609437.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13866785446026136375.kers]
Culling duplicate invariants (modulo rational): removing 310 columns.
Culled 310 columns in 1 ms.
// Phase 1: matrix 1001 rows 1312 cols 3201 entries
Finished phase 1 with 910 SingleSign rule and 1 generalized
[2026-06-01 06:00:56] [INFO ] Computed 711 invariants in 6 ms
Computed 711 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-13866785446026136375.kers
Total runtime 7 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 311/311 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1220/2623 variables, and 311 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 45045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 311/710 constraints, State Equation: 0/1622 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 311/311 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1220/2623 variables, and 311 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 45029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 311/710 constraints, State Equation: 0/1622 constraints, PredecessorRefiner: 0/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90246ms problems are : Problem set: 0 solved, 1220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1220 out of 1622 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1622/1622 places, 1001/1001 transitions.
Applied a total of 0 rules in 36 ms. Remains 1622 /1622 variables (removed 0) and now considering 1001/1001 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 1622/1622 places, 1001/1001 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1622/1622 places, 1001/1001 transitions.
Applied a total of 0 rules in 62 ms. Remains 1622 /1622 variables (removed 0) and now considering 1001/1001 (removed 0) transitions.
[2026-06-01 06:02:27] [INFO ] Invariant cache hit.
[2026-06-01 06:02:27] [INFO ] Implicit Places using invariants in 589 ms returned [739]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 602 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1621/1622 places, 1001/1001 transitions.
Applied a total of 0 rules in 61 ms. Remains 1621 /1621 variables (removed 0) and now considering 1001/1001 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 726 ms. Remains : 1621/1622 places, 1001/1001 transitions.
RANDOM walk for 999167 steps (1946 resets) in 120004 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 1220/1220 properties
Probabilistic random walk after 1000001 steps, saw 337084 distinct states, run finished after 46878 ms. (steps per millisecond=21 ) 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-10521036019660706938.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6291451487339915079.kers'
[2026-06-01 06:03:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10521036019660706938.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6291451487339915079.kers]
Culling duplicate invariants (modulo rational): removing 310 columns.
Culled 310 columns in 1 ms.
// Phase 1: matrix 1001 rows 1311 cols 3200 entries
Finished phase 1 with 910 SingleSign rule and 1 generalized
[2026-06-01 06:03:45] [INFO ] Computed 710 invariants in 5 ms
Computed 710 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-6291451487339915079.kers
Total runtime 7 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 311/311 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1220/2622 variables, and 311 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 75033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 311/709 constraints, State Equation: 0/1621 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 311/311 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1220 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (OVERLAPS) 290/1510 variables, 398/709 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/2622 variables, and 709 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 75022 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 709/709 constraints, State Equation: 0/1621 constraints, PredecessorRefiner: 0/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150194ms problems are : Problem set: 0 solved, 1220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1220 out of 1621 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1621/1621 places, 1001/1001 transitions.
Applied a total of 0 rules in 28 ms. Remains 1621 /1621 variables (removed 0) and now considering 1001/1001 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 1621/1621 places, 1001/1001 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1621/1621 places, 1001/1001 transitions.
Applied a total of 0 rules in 34 ms. Remains 1621 /1621 variables (removed 0) and now considering 1001/1001 (removed 0) transitions.
[2026-06-01 06:06:15] [INFO ] Invariant cache hit.
[2026-06-01 06:06:15] [INFO ] Implicit Places using invariants in 550 ms returned []
[2026-06-01 06:06:15] [INFO ] Invariant cache hit.
[2026-06-01 06:06:17] [INFO ] Implicit Places using invariants and state equation in 1316 ms returned []
Implicit Place search using SMT with State Equation took 1868 ms to find 0 implicit places.
[2026-06-01 06:06:17] [INFO ] Redundant transitions in 57 ms returned []
Running 801 sub problems to find dead transitions.
[2026-06-01 06:06:17] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
Problem TDEAD778 is UNSAT
Problem TDEAD779 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD781 is UNSAT
Problem TDEAD782 is UNSAT
Problem TDEAD783 is UNSAT
Problem TDEAD784 is UNSAT
Problem TDEAD785 is UNSAT
Problem TDEAD787 is UNSAT
Problem TDEAD788 is UNSAT
Problem TDEAD789 is UNSAT
Problem TDEAD790 is UNSAT
Problem TDEAD791 is UNSAT
Problem TDEAD792 is UNSAT
Problem TDEAD793 is UNSAT
Problem TDEAD794 is UNSAT
Problem TDEAD795 is UNSAT
Problem TDEAD796 is UNSAT
Problem TDEAD798 is UNSAT
Problem TDEAD799 is UNSAT
Problem TDEAD800 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/1421 variables, 1/1 constraints. Problems are: Problem set: 110 solved, 691 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1421 variables, 311/312 constraints. Problems are: Problem set: 110 solved, 691 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1421/2622 variables, and 312 constraints, problems are : Problem set: 110 solved, 691 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 311/709 constraints, State Equation: 0/1621 constraints, PredecessorRefiner: 801/800 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 110 solved, 691 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1271 variables, 291/291 constraints. Problems are: Problem set: 110 solved, 691 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1271 variables, 0/291 constraints. Problems are: Problem set: 110 solved, 691 unsolved
At refinement iteration 2 (OVERLAPS) 110/1381 variables, 1/292 constraints. Problems are: Problem set: 110 solved, 691 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1381/2622 variables, and 292 constraints, problems are : Problem set: 110 solved, 691 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 291/709 constraints, State Equation: 0/1621 constraints, PredecessorRefiner: 1/800 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60673ms problems are : Problem set: 110 solved, 691 unsolved
Search for dead transitions found 110 dead transitions in 60679ms
Found 110 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 110 transitions
Dead transitions reduction (with SMT) removed 110 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 1621/1621 places, 891/1001 transitions.
Graph (complete) has 3320 edges and 1621 vertex of which 1511 are kept as prefixes of interest. Removing 110 places using SCC suffix rule.3 ms
Discarding 110 places :
Also discarding 0 output transitions
Reduce places removed 90 places and 90 transitions.
Iterating post reduction 0 with 90 rules applied. Total rules applied 91 place count 1421 transition count 801
Applied a total of 91 rules in 46 ms. Remains 1421 /1621 variables (removed 200) and now considering 801/891 (removed 90) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8246307162513272847.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16270401826121711551.kers'
[2026-06-01 06:07:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8246307162513272847.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16270401826121711551.kers]
Culling duplicate invariants (modulo rational): removing 310 columns.
Culled 310 columns in 1 ms.
// Phase 1: matrix 801 rows 1111 cols 2400 entries
Finished phase 1 with 710 SingleSign rule and 91 generalized
[2026-06-01 06:07:18] [INFO ] Computed 620 invariants in 13 ms
Computed 620 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-16270401826121711551.kers
Total runtime 18 ms.
[2026-06-01 06:07:18] [INFO ] Implicit Places using invariants in 290 ms returned []
[2026-06-01 06:07:18] [INFO ] Invariant cache hit.
[2026-06-01 06:07:19] [INFO ] Implicit Places using invariants and state equation in 681 ms returned []
Implicit Place search using SMT with State Equation took 974 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1421/1621 places, 801/1001 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63690 ms. Remains : 1421/1621 places, 801/1001 transitions.
RANDOM walk for 991740 steps (1931 resets) in 120004 ms. (8 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 1220/1220 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 1220/1220 properties
Probabilistic random walk after 1000001 steps, saw 337087 distinct states, run finished after 45893 ms. (steps per millisecond=21 ) properties seen :0
[2026-06-01 06:08:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 401/401 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Detected timeout of ITS tools.
[2026-06-01 06:09:25] [INFO ] Flatten gal took : 88 ms
[2026-06-01 06:09:25] [INFO ] Applying decomposition
[2026-06-01 06:09:25] [INFO ] Flatten gal took : 90 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12331556883594681246.txt' '-o' '/tmp/graph12331556883594681246.bin' '-w' '/tmp/graph12331556883594681246.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12331556883594681246.bin' '-l' '-1' '-v' '-w' '/tmp/graph12331556883594681246.weights' '-q' '0' '-e' '0.001'
[2026-06-01 06:09:25] [INFO ] Decomposing Gal with order
[2026-06-01 06:09:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-06-01 06:09:26] [INFO ] Removed a total of 797 redundant transitions.
[2026-06-01 06:09:26] [INFO ] Flatten gal took : 229 ms
[2026-06-01 06:09:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 733 labels/synchronizations in 82 ms.
[2026-06-01 06:09:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2411256417343369261.gal : 33 ms
[2026-06-01 06:09:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14636588504421438173.prop : 5 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/ReachabilityCardinality2411256417343369261.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14636588504421438173.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality14636588504421438173.prop.
SDD proceeding with computation,1220 properties remain. new max is 4
SDD size :1 after 900
SDD proceeding with computation,1220 properties remain. new max is 8
SDD size :900 after 1.944e+06
SDD proceeding with computation,1220 properties remain. new max is 16
SDD size :1.944e+06 after 2.8097e+62
SDD proceeding with computation,1220 properties remain. new max is 32
SDD size :2.8097e+62 after 1.73936e+69
At refinement iteration 1 (INCLUDED_ONLY) 0/1220 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (OVERLAPS) 201/1421 variables, 219/620 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1421/2222 variables, and 620 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 90025 ms.
Refiners :[Generalized P Invariants (flows): 620/620 constraints, State Equation: 0/1421 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1220 variables, 401/401 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
SDD proceeding with computation,1220 properties remain. new max is 64
SDD size :1.73936e+69 after 1.58551e+70
At refinement iteration 1 (INCLUDED_ONLY) 0/1220 variables, 0/401 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (OVERLAPS) 201/1421 variables, 219/620 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1421/2222 variables, and 620 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 90032 ms.
Refiners :[Generalized P Invariants (flows): 620/620 constraints, State Equation: 0/1421 constraints, PredecessorRefiner: 0/1220 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180162ms problems are : Problem set: 0 solved, 1220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1220 out of 1421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1421/1421 places, 801/801 transitions.
Applied a total of 0 rules in 15 ms. Remains 1421 /1421 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 1421/1421 places, 801/801 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1421/1421 places, 801/801 transitions.
Applied a total of 0 rules in 13 ms. Remains 1421 /1421 variables (removed 0) and now considering 801/801 (removed 0) transitions.
[2026-06-01 06:11:35] [INFO ] Invariant cache hit.
[2026-06-01 06:11:35] [INFO ] Implicit Places using invariants in 265 ms returned []
[2026-06-01 06:11:35] [INFO ] Invariant cache hit.
[2026-06-01 06:11:36] [INFO ] Implicit Places using invariants and state equation in 668 ms returned []
Implicit Place search using SMT with State Equation took 940 ms to find 0 implicit places.
[2026-06-01 06:11:36] [INFO ] Redundant transitions in 83 ms returned []
Running 601 sub problems to find dead transitions.
[2026-06-01 06:11:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1001 variables, 291/291 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1001 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 2 (OVERLAPS) 310/1311 variables, 219/510 constraints. Problems are: Problem set: 0 solved, 601 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1311/2222 variables, and 510 constraints, problems are : Problem set: 0 solved, 601 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 510/620 constraints, State Equation: 0/1421 constraints, PredecessorRefiner: 601/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 601 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1001 variables, 291/291 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1001 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 2 (OVERLAPS) 310/1311 variables, 219/510 constraints. Problems are: Problem set: 0 solved, 601 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1311/2222 variables, and 510 constraints, problems are : Problem set: 0 solved, 601 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 510/620 constraints, State Equation: 0/1421 constraints, PredecessorRefiner: 1/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60225ms problems are : Problem set: 0 solved, 601 unsolved
Search for dead transitions found 0 dead transitions in 60227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61275 ms. Remains : 1421/1421 places, 801/801 transitions.
RANDOM walk for 400000 steps (776 resets) in 48027 ms. (8 steps per ms) remains 1220/1220 properties
Running SMT prover for 1220 properties.
[2026-06-01 06:12:49] [INFO ] Invariant cache hit.
[2026-06-01 06:12:50] [INFO ] [Real]Absence check using 0 positive and 620 generalized place invariants in 95 ms returned sat
[2026-06-01 06:12:51] [INFO ] After 1966ms SMT Verify possible using all constraints in real domain returned unsat :1220 sat :0
Successfully simplified 1220 atomic propositions for a total of 1220 simplifications.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query OneSafe after proving 3823 properties.
FORMULA OneSafe TRUE TECHNIQUES INVARIANTS TOPOLOGICAL INITIAL_STATE SAT_SMT STRUCTURAL
Total runtime 813223 ms.

BK_STOP 1780294371571

--------------------
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
+ [[ OneSafe = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution OneSafe -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 OneSafe -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="SupplyChain-PT-00200"
export BK_EXAMINATION="OneSafe"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 SupplyChain-PT-00200, examination is OneSafe"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r360-tall-178024403900135"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00200.tgz
mv SupplyChain-PT-00200 execution
cd execution
if [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "UpperBounds" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] || [ "OneSafe" = "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 [ "OneSafe" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "OneSafe" != "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 "OneSafe.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 '' OneSafe.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] ; then
echo "FORMULA_NAME OneSafe"
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 ;