About the Execution of ITS-Tools for LamportFastMutEx-COL-4
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 757.359 | 140665.00 | 187537.00 | 477.00 | 3 1 1 4 4 3 3 12 3 4 4 1 4 12 4 3 | 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.r162-smll-177961107800357.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 LamportFastMutEx-COL-4, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800357
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.4K Mar 7 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 16:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 7 16:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 40K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-4-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779842481221
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202604301425
[2026-05-27 00:41:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 00:41:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:41:23] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-27 00:41:23] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 00:41:24] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 980 ms
[2026-05-27 00:41:24] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 135 PT places and 285.0 transition bindings in 31 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
[2026-05-27 00:41:24] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 8 ms.
[2026-05-27 00:41:24] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16277920023186513715.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-457925590670634838.kers'
[2026-05-27 00:41:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16277920023186513715.kers, --Pflows, --basisKERS=/tmp/petrispot-output-457925590670634838.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 17 rows 15 cols 36 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-27 00:41:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-457925590670634838.kers
Total runtime 3 ms.
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 1, 0, 4, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[4, 4, 1, 4, 4, 4, 4, 16, 4, 4, 4, 1, 4, 16, 4, 4]
FORMULA LamportFastMutEx-COL-4-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-4-UpperBounds-04 4 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-4-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-27 00:41:24] [INFO ] Invariant cache hit.
[2026-05-27 00:41:24] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-27 00:41:24] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-27 00:41:25] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 00:41:25] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-27 00:41:25] [INFO ] Added : 6 causal constraints over 2 iterations in 60 ms. Result :sat
Minimization took 19 ms.
[2026-05-27 00:41:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-27 00:41:25] [INFO ] Added : 6 causal constraints over 2 iterations in 28 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Added 1 Read/Feed constraints in 5 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 00:41:25] [INFO ] Added : 4 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 00:41:25] [INFO ] Added : 4 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-27 00:41:25] [INFO ] Added : 4 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-27 00:41:25] [INFO ] Added : 5 causal constraints over 1 iterations in 21 ms. Result :sat
Minimization took 11 ms.
[2026-05-27 00:41:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 00:41:25] [INFO ] Added : 5 causal constraints over 1 iterations in 20 ms. Result :sat
Minimization took 9 ms.
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 00:41:25] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:25] [INFO ] Added : 7 causal constraints over 2 iterations in 24 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:25] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-27 00:41:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-27 00:41:26] [INFO ] Added : 8 causal constraints over 2 iterations in 20 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-27 00:41:26] [INFO ] Added : 9 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 16 ms.
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:26] [INFO ] Added : 9 causal constraints over 2 iterations in 19 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 9 ms.
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 15 ms.
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:26] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 00:41:26] [INFO ] Added : 7 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 00:41:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 00:41:26] [INFO ] Added : 5 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-27 00:41:26] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:26] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:27] [INFO ] Added : 7 causal constraints over 2 iterations in 18 ms. Result :sat
Minimization took 8 ms.
[2026-05-27 00:41:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 00:41:27] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-27 00:41:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 00:41:27] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 00:41:27] [INFO ] Added : 7 causal constraints over 2 iterations in 20 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[4, 4, 4, 4, 4, 16, 4, 4, 4, 4, 16, 4, 4]
Domain [pid(5), pid(5)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-27 00:41:27] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 53 ms.
[2026-05-27 00:41:27] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 50 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[4, 4, 4, 4, 4, 16, 4, 4, 4, 4, 16, 4, 4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[4, 4, 4, 4, 4, 16, 4, 4, 4, 4, 16, 4, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-563975029730042789.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1637309208246619677.kers'
[2026-05-27 00:41:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-563975029730042789.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1637309208246619677.kers]
Normalized transition count is 144 out of 180 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 144 rows 98 cols 432 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-27 00:41:27] [INFO ] Computed 26 invariants in 0 ms
Computed 26 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1637309208246619677.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[4, 4, 4, 4, 4, 16, 4, 4, 4, 4, 16, 4, 4]
RANDOM walk for 10000 steps (2 resets) in 94 ms. (105 steps per ms)
FORMULA LamportFastMutEx-COL-4-UpperBounds-12 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-10 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-09 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-03 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-14 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90008 steps (18 resets) in 279 ms. (321 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 3, 3, 12, 3, 12, 3] Max Struct:[4, 4, 4, 4, 16, 4, 16, 4]
[2026-05-27 00:41:27] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4939122060330191986.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3471468341972549482.kers'
[2026-05-27 00:41:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4939122060330191986.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3471468341972549482.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 144 rows 98 cols 432 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-27 00:41:27] [INFO ] Computed 26 invariants in 1 ms
Computed 26 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3471468341972549482.kers
Total runtime 1 ms.
[2026-05-27 00:41:27] [INFO ] [Real]Absence check using 26 positive place invariants in 16 ms returned sat
[2026-05-27 00:41:27] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2026-05-27 00:41:27] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 00:41:27] [INFO ] [Real]Added 40 Read/Feed constraints in 14 ms returned sat
[2026-05-27 00:41:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:27] [INFO ] [Nat]Absence check using 26 positive place invariants in 14 ms returned sat
[2026-05-27 00:41:27] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-27 00:41:27] [INFO ] [Nat]Added 40 Read/Feed constraints in 19 ms returned sat
[2026-05-27 00:41:28] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 757 ms
[2026-05-27 00:41:28] [INFO ] [Real]Absence check using 26 positive place invariants in 8 ms returned sat
[2026-05-27 00:41:28] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-27 00:41:28] [INFO ] [Real]Added 40 Read/Feed constraints in 7 ms returned sat
[2026-05-27 00:41:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:28] [INFO ] [Nat]Absence check using 26 positive place invariants in 8 ms returned sat
[2026-05-27 00:41:28] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-27 00:41:28] [INFO ] [Nat]Added 40 Read/Feed constraints in 11 ms returned sat
[2026-05-27 00:41:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2026-05-27 00:41:29] [INFO ] Computed and/alt/rep : 128/512/128 causal constraints (skipped 12 transitions) in 15 ms.
[2026-05-27 00:41:29] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 345 ms
[2026-05-27 00:41:29] [INFO ] Added : 61 causal constraints over 15 iterations in 596 ms. Result :sat
Minimization took 93 ms.
[2026-05-27 00:41:29] [INFO ] [Real]Absence check using 26 positive place invariants in 14 ms returned sat
[2026-05-27 00:41:29] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-27 00:41:29] [INFO ] [Real]Added 40 Read/Feed constraints in 9 ms returned sat
[2026-05-27 00:41:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:29] [INFO ] [Nat]Absence check using 26 positive place invariants in 13 ms returned sat
[2026-05-27 00:41:30] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-27 00:41:30] [INFO ] [Nat]Added 40 Read/Feed constraints in 10 ms returned sat
[2026-05-27 00:41:31] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 1077 ms
[2026-05-27 00:41:31] [INFO ] [Real]Absence check using 26 positive place invariants in 13 ms returned sat
[2026-05-27 00:41:31] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-27 00:41:31] [INFO ] [Real]Added 40 Read/Feed constraints in 11 ms returned sat
[2026-05-27 00:41:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:31] [INFO ] [Nat]Absence check using 26 positive place invariants in 13 ms returned sat
[2026-05-27 00:41:31] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2026-05-27 00:41:31] [INFO ] [Nat]Added 40 Read/Feed constraints in 18 ms returned sat
[2026-05-27 00:41:32] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 812 ms
[2026-05-27 00:41:32] [INFO ] [Real]Absence check using 26 positive place invariants in 14 ms returned sat
[2026-05-27 00:41:32] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2026-05-27 00:41:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:32] [INFO ] [Nat]Absence check using 26 positive place invariants in 14 ms returned sat
[2026-05-27 00:41:32] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-27 00:41:32] [INFO ] [Nat]Added 40 Read/Feed constraints in 32 ms returned sat
[2026-05-27 00:41:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 7 trap constraints in 553 ms
[2026-05-27 00:41:33] [INFO ] [Real]Absence check using 26 positive place invariants in 13 ms returned sat
[2026-05-27 00:41:33] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-27 00:41:33] [INFO ] [Real]Added 40 Read/Feed constraints in 16 ms returned sat
[2026-05-27 00:41:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:33] [INFO ] [Nat]Absence check using 26 positive place invariants in 12 ms returned sat
[2026-05-27 00:41:33] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-27 00:41:33] [INFO ] [Nat]Added 40 Read/Feed constraints in 16 ms returned sat
[2026-05-27 00:41:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 7 trap constraints in 519 ms
[2026-05-27 00:41:34] [INFO ] [Real]Absence check using 26 positive place invariants in 9 ms returned sat
[2026-05-27 00:41:34] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-27 00:41:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:34] [INFO ] [Nat]Absence check using 26 positive place invariants in 13 ms returned sat
[2026-05-27 00:41:34] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-27 00:41:34] [INFO ] [Nat]Added 40 Read/Feed constraints in 31 ms returned sat
[2026-05-27 00:41:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 9 trap constraints in 849 ms
[2026-05-27 00:41:35] [INFO ] [Real]Absence check using 26 positive place invariants in 12 ms returned sat
[2026-05-27 00:41:35] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-27 00:41:35] [INFO ] [Real]Added 40 Read/Feed constraints in 9 ms returned sat
[2026-05-27 00:41:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:35] [INFO ] [Nat]Absence check using 26 positive place invariants in 12 ms returned sat
[2026-05-27 00:41:35] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-27 00:41:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 15 ms returned sat
[2026-05-27 00:41:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 9 trap constraints in 822 ms
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 3, 3, 12, 3, 12, 3] Max Struct:[3, 4, 3, 3, 12, 3, 12, 3]
FORMULA LamportFastMutEx-COL-4-UpperBounds-15 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-13 12 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-08 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-07 12 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-06 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-05 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-4-UpperBounds-00 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 4 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 180/180 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 176
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 98 transition count 172
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 94 transition count 172
Applied a total of 16 rules in 67 ms. Remains 94 /102 variables (removed 8) and now considering 172/180 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 94/102 places, 172/180 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5842263706757925228.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17668628188419661709.kers'
[2026-05-27 00:41:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5842263706757925228.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17668628188419661709.kers]
Normalized transition count is 136 out of 172 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 136 rows 90 cols 448 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:41:36] [INFO ] Computed 26 invariants in 1 ms
Computed 26 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17668628188419661709.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 1000000 steps (2 resets) in 1555 ms. (642 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 543 ms. (1838 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2026-05-27 00:41:38] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10624079504342277658.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6730057247650880407.kers'
[2026-05-27 00:41:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10624079504342277658.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6730057247650880407.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 136 rows 90 cols 448 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:41:38] [INFO ] Computed 26 invariants in 1 ms
Computed 26 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6730057247650880407.kers
Total runtime 7 ms.
[2026-05-27 00:41:38] [INFO ] [Real]Absence check using 26 positive place invariants in 14 ms returned sat
[2026-05-27 00:41:38] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-27 00:41:38] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-27 00:41:38] [INFO ] [Real]Added 40 Read/Feed constraints in 9 ms returned sat
[2026-05-27 00:41:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:38] [INFO ] [Nat]Absence check using 26 positive place invariants in 12 ms returned sat
[2026-05-27 00:41:38] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-27 00:41:38] [INFO ] [Nat]Added 40 Read/Feed constraints in 13 ms returned sat
[2026-05-27 00:41:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 106 ms
[2026-05-27 00:41:38] [INFO ] Computed and/alt/rep : 116/496/116 causal constraints (skipped 16 transitions) in 15 ms.
[2026-05-27 00:41:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2026-05-27 00:41:39] [INFO ] Added : 45 causal constraints over 10 iterations in 296 ms. Result :sat
Minimization took 140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 4 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 172/172 transitions.
Applied a total of 0 rules in 10 ms. Remains 94 /94 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 94/94 places, 172/172 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 172/172 transitions.
Applied a total of 0 rules in 10 ms. Remains 94 /94 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2026-05-27 00:41:39] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2026-05-27 00:41:39] [INFO ] Invariant cache hit.
[2026-05-27 00:41:39] [INFO ] Implicit Places using invariants in 195 ms returned [62, 63, 64, 65]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 198 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/94 places, 172/172 transitions.
Applied a total of 0 rules in 9 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 221 ms. Remains : 90/94 places, 172/172 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3914951613740415306.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12079314566429199594.kers'
[2026-05-27 00:41:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3914951613740415306.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12079314566429199594.kers]
Normalized transition count is 136 out of 172 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 136 rows 86 cols 432 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:41:39] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12079314566429199594.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 1000000 steps (2 resets) in 1367 ms. (730 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 518 ms. (1926 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2026-05-27 00:41:41] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9672855399564354640.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10013550418652181040.kers'
[2026-05-27 00:41:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9672855399564354640.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10013550418652181040.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 136 rows 86 cols 432 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:41:41] [INFO ] Computed 22 invariants in 0 ms
Computed 22 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10013550418652181040.kers
Total runtime 1 ms.
[2026-05-27 00:41:41] [INFO ] [Real]Absence check using 22 positive place invariants in 10 ms returned sat
[2026-05-27 00:41:41] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-27 00:41:41] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:41:41] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2026-05-27 00:41:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:41:41] [INFO ] [Nat]Absence check using 22 positive place invariants in 12 ms returned sat
[2026-05-27 00:41:41] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-27 00:41:41] [INFO ] [Nat]Added 24 Read/Feed constraints in 9 ms returned sat
[2026-05-27 00:41:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 242 ms
[2026-05-27 00:41:42] [INFO ] Computed and/alt/rep : 120/496/120 causal constraints (skipped 12 transitions) in 10 ms.
[2026-05-27 00:41:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 202 ms
[2026-05-27 00:41:42] [INFO ] Added : 39 causal constraints over 9 iterations in 363 ms. Result :sat
Minimization took 75 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 9 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 90/90 places, 172/172 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 172/172 transitions.
Applied a total of 0 rules in 12 ms. Remains 90 /90 variables (removed 0) and now considering 172/172 (removed 0) transitions.
[2026-05-27 00:41:42] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2026-05-27 00:41:42] [INFO ] Invariant cache hit.
[2026-05-27 00:41:42] [INFO ] Implicit Places using invariants in 137 ms returned []
[2026-05-27 00:41:42] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2026-05-27 00:41:42] [INFO ] Invariant cache hit.
[2026-05-27 00:41:42] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:41:42] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 383 ms to find 0 implicit places.
[2026-05-27 00:41:42] [INFO ] Redundant transitions in 11 ms returned []
Running 168 sub problems to find dead transitions.
[2026-05-27 00:41:42] [INFO ] Flow matrix only has 136 transitions (discarded 36 similar events)
[2026-05-27 00:41:42] [INFO ] Invariant cache hit.
[2026-05-27 00:41:42] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 168 unsolved
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD150 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 20/42 constraints. Problems are: Problem set: 22 solved, 146 unsolved
Problem TDEAD81 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 20/62 constraints. Problems are: Problem set: 23 solved, 145 unsolved
Problem TDEAD80 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 14/76 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 2/78 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 2/80 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 2/82 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 2/84 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 0/84 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 9 (OVERLAPS) 136/226 variables, 90/174 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/226 variables, 24/198 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/226 variables, 3/201 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/226 variables, 3/204 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/226 variables, 3/207 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/226 variables, 0/207 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 15 (OVERLAPS) 0/226 variables, 4/211 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/226 variables, 1/212 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/226 variables, 0/212 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 18 (OVERLAPS) 0/226 variables, 0/212 constraints. Problems are: Problem set: 24 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 226/226 variables, and 212 constraints, problems are : Problem set: 24 solved, 144 unsolved in 24841 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 168/168 constraints, Known Traps: 76/76 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 50/56 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/56 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 4/90 variables, 16/72 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 26/98 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/98 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 6 (OVERLAPS) 136/226 variables, 90/188 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/226 variables, 24/212 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/226 variables, 144/356 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/226 variables, 1/357 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/226 variables, 1/358 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/226 variables, 1/359 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/226 variables, 2/361 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/226 variables, 6/367 constraints. Problems are: Problem set: 24 solved, 144 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/226 variables, 0/367 constraints. Problems are: Problem set: 24 solved, 144 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 226/226 variables, and 367 constraints, problems are : Problem set: 24 solved, 144 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 144/168 constraints, Known Traps: 86/86 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 55046ms problems are : Problem set: 24 solved, 144 unsolved
Search for dead transitions found 24 dead transitions in 55065ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/90 places, 148/172 transitions.
Applied a total of 0 rules in 8 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
[2026-05-27 00:42:38] [INFO ] Redundant transitions in 4 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 55537 ms. Remains : 90/90 places, 148/172 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5345820147838818787.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7210771807582890351.kers'
[2026-05-27 00:42:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5345820147838818787.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7210771807582890351.kers]
Normalized transition count is 120 out of 148 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 120 rows 86 cols 388 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:42:38] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7210771807582890351.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 1000000 steps (2 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 524 ms. (1904 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2026-05-27 00:42:39] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17036441029149112612.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17950344842875082451.kers'
[2026-05-27 00:42:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17036441029149112612.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17950344842875082451.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 120 rows 86 cols 388 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:42:39] [INFO ] Computed 22 invariants in 2 ms
Computed 22 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17950344842875082451.kers
Total runtime 2 ms.
[2026-05-27 00:42:39] [INFO ] [Real]Absence check using 22 positive place invariants in 9 ms returned sat
[2026-05-27 00:42:39] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-27 00:42:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-27 00:42:40] [INFO ] [Real]Added 20 Read/Feed constraints in 5 ms returned sat
[2026-05-27 00:42:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 00:42:40] [INFO ] [Nat]Absence check using 22 positive place invariants in 12 ms returned sat
[2026-05-27 00:42:40] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-27 00:42:40] [INFO ] [Nat]Added 20 Read/Feed constraints in 10 ms returned sat
[2026-05-27 00:42:40] [INFO ] Computed and/alt/rep : 104/420/104 causal constraints (skipped 12 transitions) in 13 ms.
[2026-05-27 00:42:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 244 ms
[2026-05-27 00:42:40] [INFO ] Added : 55 causal constraints over 12 iterations in 487 ms. Result :sat
Minimization took 158 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 8 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 90/90 places, 148/148 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 7 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
[2026-05-27 00:42:40] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:42:40] [INFO ] Invariant cache hit.
[2026-05-27 00:42:41] [INFO ] Implicit Places using invariants in 169 ms returned []
[2026-05-27 00:42:41] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:42:41] [INFO ] Invariant cache hit.
[2026-05-27 00:42:41] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-27 00:42:41] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 459 ms to find 0 implicit places.
[2026-05-27 00:42:41] [INFO ] Redundant transitions in 11 ms returned []
Running 144 sub problems to find dead transitions.
[2026-05-27 00:42:41] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:42:41] [INFO ] Invariant cache hit.
[2026-05-27 00:42:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 4/90 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 7/87 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 120/210 variables, 90/177 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 20/197 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 3/200 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 0/200 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (OVERLAPS) 0/210 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 14 (OVERLAPS) 0/210 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 201 constraints, problems are : Problem set: 0 solved, 144 unsolved in 18686 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 69/69 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 47/53 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 4/90 variables, 16/69 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 22/91 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (OVERLAPS) 120/210 variables, 90/181 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 20/201 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 144/345 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 5/350 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 4/356 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 14 (OVERLAPS) 0/210 variables, 4/360 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 2/362 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 210/210 variables, and 365 constraints, problems are : Problem set: 0 solved, 144 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 89/89 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48778ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 48786ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49276 ms. Remains : 90/90 places, 148/148 transitions.
RANDOM walk for 40000 steps (8 resets) in 1037 ms. (38 steps per ms) remains 2/2 properties
[2026-05-27 00:43:30] [INFO ] Flatten gal took : 136 ms
[2026-05-27 00:43:30] [INFO ] Flatten gal took : 73 ms
[2026-05-27 00:43:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7157215469977132449.gal : 16 ms
BEST_FIRST walk for 40004 steps (8 resets) in 333 ms. (119 steps per ms) remains 2/2 properties
[2026-05-27 00:43:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1595785109691039499.prop : 1 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/ReachabilityCardinality7157215469977132449.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1595785109691039499.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/ReachabilityCardinality1595785109691039499.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 282 ms. (141 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 26
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :26 after 54
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :54 after 100
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :100 after 220
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :220 after 1151
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1151 after 2192
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2192 after 6102
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6102 after 38886
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :38886 after 74567
Interrupted probabilistic random walk after 661508 steps, run timeout after 3001 ms. (steps per millisecond=220 ) properties seen :0 out of 2
Probabilistic random walk after 661508 steps, saw 170941 distinct states, run finished after 3009 ms. (steps per millisecond=219 ) properties seen :0
[2026-05-27 00:43:33] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:43:33] [INFO ] Invariant cache hit.
[2026-05-27 00:43:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 132 constraints, problems are : Problem set: 0 solved, 2 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :74567 after 266615
At refinement iteration 11 (OVERLAPS) 0/210 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/210 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 140 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1079 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1273ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 246 ms.
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 12 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 90/90 places, 148/148 transitions.
RANDOM walk for 40000 steps (8 resets) in 277 ms. (143 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 131 ms. (303 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 135 ms. (294 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :748706 after 1.01697e+06
Interrupted probabilistic random walk after 670226 steps, run timeout after 3001 ms. (steps per millisecond=223 ) properties seen :0 out of 2
Probabilistic random walk after 670226 steps, saw 172868 distinct states, run finished after 3001 ms. (steps per millisecond=223 ) properties seen :0
[2026-05-27 00:43:38] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:43:38] [INFO ] Invariant cache hit.
[2026-05-27 00:43:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/210 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 132 constraints, problems are : Problem set: 0 solved, 2 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 68/72 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 120/192 variables, 72/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 20/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 18/210 variables, 18/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/210 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/210 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 140 constraints, problems are : Problem set: 0 solved, 2 unsolved in 851 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 90/90 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1020ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 162 ms.
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 12 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 90/90 places, 148/148 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 148/148 transitions.
Applied a total of 0 rules in 10 ms. Remains 90 /90 variables (removed 0) and now considering 148/148 (removed 0) transitions.
[2026-05-27 00:43:39] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:43:39] [INFO ] Invariant cache hit.
[2026-05-27 00:43:39] [INFO ] Implicit Places using invariants in 149 ms returned []
[2026-05-27 00:43:39] [INFO ] Flow matrix only has 120 transitions (discarded 28 similar events)
[2026-05-27 00:43:39] [INFO ] Invariant cache hit.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.4985e+06,9.16566,194956,2,44347,20,583660,8,0,513,733397,0
Total reachable state count : 1498496
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
[2026-05-27 00:43:39] [INFO ] State equation strengthened by 20 read => feed constraints.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,9.19401,194956,1,0,20,583660,8,0,520,733397,0
Invariant property MIN0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,9.22595,194956,1,0,20,583660,8,0,526,733397,0
[2026-05-27 00:43:40] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
[2026-05-27 00:43:40] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 429 ms. Remains : 90/90 places, 148/148 transitions.
FORMULA LamportFastMutEx-COL-4-UpperBounds-01 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13444797885088192341.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10436878913267464948.kers'
[2026-05-27 00:43:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13444797885088192341.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10436878913267464948.kers]
Normalized transition count is 120 out of 148 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 120 rows 86 cols 388 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-27 00:43:40] [INFO ] Computed 22 invariants in 1 ms
Computed 22 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10436878913267464948.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 1739 ms. (574 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 138617 ms.
BK_STOP 1779842621886
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="LamportFastMutEx-COL-4"
export BK_EXAMINATION="UpperBounds"
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 LamportFastMutEx-COL-4, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107800357"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-4.tgz
mv LamportFastMutEx-COL-4 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;