About the Execution of ITS-Tools for LamportFastMutEx-COL-7
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16204.840 | 3600000.00 | 3318339.00 | 159816.80 | 42 6 7 6 6 ? 1 42 1 6 7 7 6 7 6 7 | 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-177961107900381.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-7, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900381
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 5.9K Mar 7 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 7 16:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:12 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 43K 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-7-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-7-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779860149858
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-7
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202604301425
[2026-05-27 05:35:51] [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 05:35:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 05:35:51] [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 05:35:52] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 05:35:52] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 925 ms
[2026-05-27 05:35:52] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 264 PT places and 672.0 transition bindings in 29 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
[2026-05-27 05:35:52] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 8 ms.
[2026-05-27 05:35:52] [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-7325429556023752833.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9610317857479964113.kers'
[2026-05-27 05:35:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7325429556023752833.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9610317857479964113.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 05:35:53] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9610317857479964113.kers
Total runtime 2 ms.
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 7, 0, 0, 0, 1, 0, 1, 0, 7, 0, 0, 0, 0, 0] Max Struct:[49, 7, 7, 7, 7, 7, 1, 49, 1, 7, 7, 7, 7, 7, 7, 7]
FORMULA LamportFastMutEx-COL-7-UpperBounds-10 7 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-UpperBounds-02 7 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-27 05:35:53] [INFO ] Invariant cache hit.
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-27 05:35:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-27 05:35:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 05:35:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-27 05:35:53] [INFO ] Added : 8 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 10 ms.
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Added 1 Read/Feed constraints in 3 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 05:35:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 05:35:53] [INFO ] Added : 7 causal constraints over 2 iterations in 29 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-27 05:35:53] [INFO ] Added : 9 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 8 ms.
[2026-05-27 05:35:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 05:35:53] [INFO ] Added : 9 causal constraints over 2 iterations in 24 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 05:35:53] [INFO ] Added : 5 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-27 05:35:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 05:35:53] [INFO ] Added : 5 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 7 causal constraints over 2 iterations in 19 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 6 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-27 05:35:54] [INFO ] Added : 6 causal constraints over 2 iterations in 25 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 7 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 7 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 6 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 5 ms.
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2026-05-27 05:35:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-27 05:35:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-27 05:35:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-27 05:35:54] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[49, 7, 7, 7, 7, 49, 7, 7, 7, 7, 7, 7]
Domain [pid(8), pid(8)] 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 05:35:54] [INFO ] Unfolded HLPN to a Petri net with 264 places and 536 transitions 2352 arcs in 47 ms.
[2026-05-27 05:35:54] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Deduced a syphon composed of 45 places in 4 ms
Reduce places removed 45 places and 74 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[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]
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] Max Struct:[49, 7, 7, 7, 7, 49, 7, 7, 7, 7, 7, 7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[49, 7, 7, 7, 7, 49, 7, 7, 7, 7, 7, 7]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17872533980703178523.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8584040621531570324.kers'
[2026-05-27 05:35:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17872533980703178523.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8584040621531570324.kers]
Normalized transition count is 336 out of 462 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 336 rows 212 cols 1092 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-27 05:35:54] [INFO ] Computed 65 invariants in 1 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8584040621531570324.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[49, 7, 7, 7, 7, 49, 7, 7, 7, 7, 7, 7]
RANDOM walk for 10000 steps (2 resets) in 106 ms. (93 steps per ms)
FORMULA LamportFastMutEx-COL-7-UpperBounds-11 7 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110009 steps (22 resets) in 262 ms. (418 steps per ms)
FORMULA LamportFastMutEx-COL-7-UpperBounds-15 7 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[42, 6, 4, 5, 1, 36, 6, 6, 6, 6] Max Struct:[49, 7, 7, 7, 7, 49, 7, 7, 7, 7]
[2026-05-27 05:35:55] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11124458402553115509.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14393843426992257266.kers'
[2026-05-27 05:35:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11124458402553115509.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14393843426992257266.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 336 rows 212 cols 1092 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-27 05:35:55] [INFO ] Computed 65 invariants in 2 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14393843426992257266.kers
Total runtime 3 ms.
[2026-05-27 05:35:55] [INFO ] [Real]Absence check using 65 positive place invariants in 39 ms returned sat
[2026-05-27 05:35:55] [INFO ] [Real]Absence check using state equation in 153 ms returned sat
[2026-05-27 05:35:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:55] [INFO ] [Nat]Absence check using 65 positive place invariants in 28 ms returned sat
[2026-05-27 05:35:55] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2026-05-27 05:35:55] [INFO ] State equation strengthened by 91 read => feed constraints.
[2026-05-27 05:35:55] [INFO ] [Nat]Added 91 Read/Feed constraints in 89 ms returned sat
[2026-05-27 05:35:57] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 12 trap constraints in 1543 ms
[2026-05-27 05:35:57] [INFO ] [Real]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:35:57] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2026-05-27 05:35:57] [INFO ] [Real]Added 91 Read/Feed constraints in 12 ms returned sat
[2026-05-27 05:35:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:35:57] [INFO ] [Nat]Absence check using 65 positive place invariants in 27 ms returned sat
[2026-05-27 05:35:57] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-27 05:35:57] [INFO ] [Nat]Added 91 Read/Feed constraints in 27 ms returned sat
[2026-05-27 05:35:59] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 12 trap constraints in 1819 ms
[2026-05-27 05:35:59] [INFO ] [Real]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:00] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2026-05-27 05:36:00] [INFO ] [Real]Added 91 Read/Feed constraints in 14 ms returned sat
[2026-05-27 05:36:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:00] [INFO ] [Nat]Absence check using 65 positive place invariants in 20 ms returned sat
[2026-05-27 05:36:00] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-27 05:36:00] [INFO ] [Nat]Added 91 Read/Feed constraints in 41 ms returned sat
[2026-05-27 05:36:01] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 794 ms
[2026-05-27 05:36:01] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 32 ms.
[2026-05-27 05:36:03] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1277 ms
[2026-05-27 05:36:03] [INFO ] Added : 132 causal constraints over 27 iterations in 2163 ms. Result :sat
Minimization took 310 ms.
[2026-05-27 05:36:03] [INFO ] [Real]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:03] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2026-05-27 05:36:03] [INFO ] [Real]Added 91 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:03] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:04] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-27 05:36:04] [INFO ] [Nat]Added 91 Read/Feed constraints in 21 ms returned sat
[2026-05-27 05:36:05] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1113 ms
[2026-05-27 05:36:05] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 48 ms.
[2026-05-27 05:36:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
[2026-05-27 05:36:06] [INFO ] Added : 81 causal constraints over 19 iterations in 855 ms. Result :sat
Minimization took 220 ms.
[2026-05-27 05:36:06] [INFO ] [Real]Absence check using 65 positive place invariants in 26 ms returned sat
[2026-05-27 05:36:06] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-27 05:36:06] [INFO ] [Real]Added 91 Read/Feed constraints in 12 ms returned sat
[2026-05-27 05:36:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:06] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:06] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-27 05:36:06] [INFO ] [Nat]Added 91 Read/Feed constraints in 23 ms returned sat
[2026-05-27 05:36:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 173 ms
[2026-05-27 05:36:06] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 30 ms.
[2026-05-27 05:36:07] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 301 ms
[2026-05-27 05:36:08] [INFO ] Added : 95 causal constraints over 19 iterations in 1175 ms. Result :sat
Minimization took 245 ms.
[2026-05-27 05:36:08] [INFO ] [Real]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:08] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2026-05-27 05:36:08] [INFO ] [Real]Added 91 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:08] [INFO ] [Nat]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:08] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2026-05-27 05:36:08] [INFO ] [Nat]Added 91 Read/Feed constraints in 92 ms returned sat
[2026-05-27 05:36:09] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1099 ms
[2026-05-27 05:36:09] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 29 ms.
[2026-05-27 05:36:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 160 ms
[2026-05-27 05:36:10] [INFO ] Added : 80 causal constraints over 18 iterations in 878 ms. Result :sat
Minimization took 342 ms.
[2026-05-27 05:36:11] [INFO ] [Real]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:11] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2026-05-27 05:36:11] [INFO ] [Real]Added 91 Read/Feed constraints in 18 ms returned sat
[2026-05-27 05:36:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:11] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:11] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2026-05-27 05:36:11] [INFO ] [Nat]Added 91 Read/Feed constraints in 59 ms returned sat
[2026-05-27 05:36:13] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 19 trap constraints in 1569 ms
[2026-05-27 05:36:13] [INFO ] [Real]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:36:13] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2026-05-27 05:36:13] [INFO ] [Real]Added 91 Read/Feed constraints in 20 ms returned sat
[2026-05-27 05:36:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:13] [INFO ] [Nat]Absence check using 65 positive place invariants in 24 ms returned sat
[2026-05-27 05:36:13] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2026-05-27 05:36:13] [INFO ] [Nat]Added 91 Read/Feed constraints in 45 ms returned sat
[2026-05-27 05:36:14] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 1074 ms
[2026-05-27 05:36:14] [INFO ] [Real]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:36:14] [INFO ] [Real]Absence check using state equation in 122 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Real]Added 91 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:15] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Nat]Added 91 Read/Feed constraints in 18 ms returned sat
[2026-05-27 05:36:15] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 31 ms.
[2026-05-27 05:36:15] [INFO ] Added : 0 causal constraints over 0 iterations in 65 ms. Result :sat
Minimization took 78 ms.
[2026-05-27 05:36:15] [INFO ] [Real]Absence check using 65 positive place invariants in 24 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Real]Added 91 Read/Feed constraints in 21 ms returned sat
[2026-05-27 05:36:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:15] [INFO ] [Nat]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-27 05:36:15] [INFO ] [Nat]Added 91 Read/Feed constraints in 88 ms returned sat
[2026-05-27 05:36:19] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 22 trap constraints in 3852 ms
Current structural bounds on expressions (after SMT) : Max Seen:[42, 6, 4, 5, 1, 36, 6, 6, 6, 6] Max Struct:[42, 6, 7, 7, 7, 49, 6, 6, 7, 6]
FORMULA LamportFastMutEx-COL-7-UpperBounds-14 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-12 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-09 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-01 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-00 42 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-13 7 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 5, 1, 36] Max Struct:[7, 7, 7, 49]
Support contains 70 out of 219 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 49 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 219/219 places, 462/462 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17913477773151667520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14640131047953137414.kers'
[2026-05-27 05:36:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17913477773151667520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14640131047953137414.kers]
Normalized transition count is 336 out of 462 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 336 rows 212 cols 1092 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-27 05:36:20] [INFO ] Computed 65 invariants in 1 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14640131047953137414.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 5, 1, 36] Max Struct:[7, 7, 7, 49]
RANDOM walk for 1000000 steps (2 resets) in 3279 ms. (304 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 5006 ms. (798 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 6, 1, 36] Max Struct:[7, 7, 7, 49]
[2026-05-27 05:36:29] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2332108089468809697.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2061195751505229279.kers'
[2026-05-27 05:36:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2332108089468809697.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2061195751505229279.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 336 rows 212 cols 1092 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-27 05:36:29] [INFO ] Computed 65 invariants in 1 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2061195751505229279.kers
Total runtime 2 ms.
[2026-05-27 05:36:29] [INFO ] [Real]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:36:29] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2026-05-27 05:36:29] [INFO ] State equation strengthened by 91 read => feed constraints.
[2026-05-27 05:36:29] [INFO ] [Real]Added 91 Read/Feed constraints in 39 ms returned sat
[2026-05-27 05:36:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:29] [INFO ] [Nat]Absence check using 65 positive place invariants in 24 ms returned sat
[2026-05-27 05:36:29] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-27 05:36:29] [INFO ] [Nat]Added 91 Read/Feed constraints in 54 ms returned sat
[2026-05-27 05:36:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 13 trap constraints in 1196 ms
[2026-05-27 05:36:30] [INFO ] [Real]Absence check using 65 positive place invariants in 19 ms returned sat
[2026-05-27 05:36:31] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2026-05-27 05:36:31] [INFO ] [Real]Added 91 Read/Feed constraints in 12 ms returned sat
[2026-05-27 05:36:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:31] [INFO ] [Nat]Absence check using 65 positive place invariants in 23 ms returned sat
[2026-05-27 05:36:31] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-27 05:36:31] [INFO ] [Nat]Added 91 Read/Feed constraints in 29 ms returned sat
[2026-05-27 05:36:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 14 trap constraints in 1983 ms
[2026-05-27 05:36:33] [INFO ] [Real]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:33] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2026-05-27 05:36:33] [INFO ] [Real]Added 91 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:33] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:33] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2026-05-27 05:36:33] [INFO ] [Nat]Added 91 Read/Feed constraints in 24 ms returned sat
[2026-05-27 05:36:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2026-05-27 05:36:33] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 30 ms.
[2026-05-27 05:36:34] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 291 ms
[2026-05-27 05:36:35] [INFO ] Added : 95 causal constraints over 19 iterations in 1161 ms. Result :sat
Minimization took 246 ms.
[2026-05-27 05:36:35] [INFO ] [Real]Absence check using 65 positive place invariants in 26 ms returned sat
[2026-05-27 05:36:35] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2026-05-27 05:36:35] [INFO ] [Real]Added 91 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:35] [INFO ] [Nat]Absence check using 65 positive place invariants in 26 ms returned sat
[2026-05-27 05:36:35] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-27 05:36:35] [INFO ] [Nat]Added 91 Read/Feed constraints in 92 ms returned sat
[2026-05-27 05:36:36] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1076 ms
[2026-05-27 05:36:36] [INFO ] Computed and/alt/rep : 301/1778/301 causal constraints (skipped 28 transitions) in 25 ms.
[2026-05-27 05:36:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 153 ms
[2026-05-27 05:36:37] [INFO ] Added : 80 causal constraints over 18 iterations in 845 ms. Result :sat
Minimization took 319 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 6, 1, 36] Max Struct:[6, 6, 7, 49]
FORMULA LamportFastMutEx-COL-7-UpperBounds-04 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-7-UpperBounds-03 6 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 36] Max Struct:[7, 49]
Support contains 56 out of 219 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 219/219 places, 462/462 transitions.
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 7 place count 219 transition count 455
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 14 place count 212 transition count 455
Applied a total of 14 rules in 69 ms. Remains 212 /219 variables (removed 7) and now considering 455/462 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 212/219 places, 455/462 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15961611431159002545.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14256997966877278743.kers'
[2026-05-27 05:36:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15961611431159002545.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14256997966877278743.kers]
Normalized transition count is 329 out of 455 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 329 rows 205 cols 1127 entries
Finished phase 1 with 147 SingleSign rule and 0 generalized
[2026-05-27 05:36:38] [INFO ] Computed 65 invariants in 2 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14256997966877278743.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 36] Max Struct:[7, 49]
RANDOM walk for 1000000 steps (2 resets) in 3083 ms. (324 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 3089 ms. (647 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 36] Max Struct:[7, 49]
[2026-05-27 05:36:44] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2037363687157582912.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1753011313042540282.kers'
[2026-05-27 05:36:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2037363687157582912.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1753011313042540282.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 329 rows 205 cols 1127 entries
Finished phase 1 with 147 SingleSign rule and 0 generalized
[2026-05-27 05:36:44] [INFO ] Computed 65 invariants in 1 ms
Computed 65 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1753011313042540282.kers
Total runtime 2 ms.
[2026-05-27 05:36:44] [INFO ] [Real]Absence check using 65 positive place invariants in 21 ms returned sat
[2026-05-27 05:36:44] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2026-05-27 05:36:44] [INFO ] State equation strengthened by 91 read => feed constraints.
[2026-05-27 05:36:44] [INFO ] [Real]Added 91 Read/Feed constraints in 14 ms returned sat
[2026-05-27 05:36:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:45] [INFO ] [Nat]Absence check using 65 positive place invariants in 22 ms returned sat
[2026-05-27 05:36:45] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2026-05-27 05:36:45] [INFO ] [Nat]Added 91 Read/Feed constraints in 20 ms returned sat
[2026-05-27 05:36:45] [INFO ] Computed and/alt/rep : 287/1666/287 causal constraints (skipped 35 transitions) in 28 ms.
[2026-05-27 05:36:47] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1870 ms
[2026-05-27 05:36:47] [INFO ] Added : 103 causal constraints over 21 iterations in 2653 ms. Result :sat
Minimization took 297 ms.
[2026-05-27 05:36:48] [INFO ] [Real]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:48] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2026-05-27 05:36:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:48] [INFO ] [Nat]Absence check using 65 positive place invariants in 25 ms returned sat
[2026-05-27 05:36:48] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-27 05:36:48] [INFO ] [Nat]Added 91 Read/Feed constraints in 86 ms returned sat
[2026-05-27 05:36:50] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1524 ms
[2026-05-27 05:36:50] [INFO ] Computed and/alt/rep : 287/1666/287 causal constraints (skipped 35 transitions) in 29 ms.
[2026-05-27 05:36:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 295 ms
[2026-05-27 05:36:51] [INFO ] Added : 96 causal constraints over 20 iterations in 1014 ms. Result :sat
Minimization took 382 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 36] Max Struct:[7, 49]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 36] Max Struct:[7, 49]
Support contains 56 out of 212 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 212/212 places, 455/455 transitions.
Applied a total of 0 rules in 18 ms. Remains 212 /212 variables (removed 0) and now considering 455/455 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 212/212 places, 455/455 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 212/212 places, 455/455 transitions.
Applied a total of 0 rules in 17 ms. Remains 212 /212 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2026-05-27 05:36:52] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2026-05-27 05:36:52] [INFO ] Invariant cache hit.
[2026-05-27 05:36:52] [INFO ] Implicit Places using invariants in 570 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 577 ms to find 7 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 205/212 places, 455/455 transitions.
Applied a total of 0 rules in 23 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 623 ms. Remains : 205/212 places, 455/455 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7640014334829576920.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12612340918683264493.kers'
[2026-05-27 05:36:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7640014334829576920.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12612340918683264493.kers]
Normalized transition count is 329 out of 455 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 329 rows 198 cols 1106 entries
Finished phase 1 with 147 SingleSign rule and 0 generalized
[2026-05-27 05:36:52] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12612340918683264493.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 36] Max Struct:[7, 49]
RANDOM walk for 1000000 steps (2 resets) in 3019 ms. (331 steps per ms)
BEST_FIRST walk for 2000001 steps (4 resets) in 3240 ms. (617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 42] Max Struct:[7, 49]
[2026-05-27 05:36:58] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1121257122763269806.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7666296937806986837.kers'
[2026-05-27 05:36:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1121257122763269806.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7666296937806986837.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 329 rows 198 cols 1106 entries
Finished phase 1 with 147 SingleSign rule and 0 generalized
[2026-05-27 05:36:58] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7666296937806986837.kers
Total runtime 3 ms.
[2026-05-27 05:36:59] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2026-05-27 05:36:59] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-27 05:36:59] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-27 05:36:59] [INFO ] [Real]Added 42 Read/Feed constraints in 9 ms returned sat
[2026-05-27 05:36:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:36:59] [INFO ] [Nat]Absence check using 58 positive place invariants in 21 ms returned sat
[2026-05-27 05:36:59] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-27 05:36:59] [INFO ] [Nat]Added 42 Read/Feed constraints in 13 ms returned sat
[2026-05-27 05:36:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 170 ms
[2026-05-27 05:36:59] [INFO ] Computed and/alt/rep : 287/1617/287 causal constraints (skipped 35 transitions) in 25 ms.
[2026-05-27 05:37:02] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1620 ms
[2026-05-27 05:37:02] [INFO ] Added : 148 causal constraints over 30 iterations in 2607 ms. Result :sat
Minimization took 364 ms.
[2026-05-27 05:37:02] [INFO ] [Real]Absence check using 58 positive place invariants in 23 ms returned sat
[2026-05-27 05:37:02] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2026-05-27 05:37:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:37:02] [INFO ] [Nat]Absence check using 58 positive place invariants in 24 ms returned sat
[2026-05-27 05:37:02] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2026-05-27 05:37:03] [INFO ] [Nat]Added 42 Read/Feed constraints in 84 ms returned sat
[2026-05-27 05:37:04] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 12 trap constraints in 1860 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1, 42] Max Struct:[7, 42]
FORMULA LamportFastMutEx-COL-7-UpperBounds-07 42 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 7 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 455/455 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 198 transition count 448
Applied a total of 14 rules in 24 ms. Remains 198 /205 variables (removed 7) and now considering 448/455 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 198/205 places, 448/455 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14234728093426358507.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8094103244266263448.kers'
[2026-05-27 05:37:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14234728093426358507.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8094103244266263448.kers]
Normalized transition count is 322 out of 448 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 322 rows 191 cols 1134 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:37:05] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8094103244266263448.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[7]
RANDOM walk for 1000000 steps (2 resets) in 2191 ms. (456 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 752 ms. (1328 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[7]
[2026-05-27 05:37:07] [INFO ] Flow matrix only has 322 transitions (discarded 126 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10394868210699408624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17049204346187107015.kers'
[2026-05-27 05:37:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10394868210699408624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17049204346187107015.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 322 rows 191 cols 1134 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:37:07] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17049204346187107015.kers
Total runtime 2 ms.
[2026-05-27 05:37:08] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2026-05-27 05:37:08] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2026-05-27 05:37:08] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-27 05:37:08] [INFO ] [Real]Added 42 Read/Feed constraints in 8 ms returned sat
[2026-05-27 05:37:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:37:08] [INFO ] [Nat]Absence check using 58 positive place invariants in 30 ms returned sat
[2026-05-27 05:37:08] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2026-05-27 05:37:08] [INFO ] [Nat]Added 42 Read/Feed constraints in 17 ms returned sat
[2026-05-27 05:37:08] [INFO ] Computed and/alt/rep : 280/1652/280 causal constraints (skipped 35 transitions) in 39 ms.
[2026-05-27 05:37:10] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 477 ms
[2026-05-27 05:37:10] [INFO ] Added : 151 causal constraints over 31 iterations in 1796 ms. Result :sat
Minimization took 359 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 448/448 transitions.
Applied a total of 0 rules in 11 ms. Remains 198 /198 variables (removed 0) and now considering 448/448 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 198/198 places, 448/448 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 448/448 transitions.
Applied a total of 0 rules in 11 ms. Remains 198 /198 variables (removed 0) and now considering 448/448 (removed 0) transitions.
[2026-05-27 05:37:10] [INFO ] Flow matrix only has 322 transitions (discarded 126 similar events)
[2026-05-27 05:37:10] [INFO ] Invariant cache hit.
[2026-05-27 05:37:11] [INFO ] Implicit Places using invariants in 268 ms returned []
[2026-05-27 05:37:11] [INFO ] Flow matrix only has 322 transitions (discarded 126 similar events)
[2026-05-27 05:37:11] [INFO ] Invariant cache hit.
[2026-05-27 05:37:11] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-27 05:37:11] [INFO ] Implicit Places using invariants and state equation in 529 ms returned []
Implicit Place search using SMT with State Equation took 799 ms to find 0 implicit places.
[2026-05-27 05:37:11] [INFO ] Redundant transitions in 31 ms returned []
Running 441 sub problems to find dead transitions.
[2026-05-27 05:37:11] [INFO ] Flow matrix only has 322 transitions (discarded 126 similar events)
[2026-05-27 05:37:11] [INFO ] Invariant cache hit.
[2026-05-27 05:37:11] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 441 unsolved
Problem TDEAD7 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 TDEAD70 is UNSAT
Problem TDEAD7 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 TDEAD70 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD208 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 20/78 constraints. Problems are: Problem set: 23 solved, 418 unsolved
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD434 is UNSAT
Problem TDEAD436 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD446 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/198 variables, 20/98 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 20/118 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 20/138 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 10/148 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 4/152 constraints. Problems are: Problem set: 42 solved, 399 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 198/520 variables, and 152 constraints, problems are : Problem set: 42 solved, 399 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 0/198 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 441/441 constraints, Known Traps: 94/94 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 399 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/191 variables, 9/9 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/191 variables, 63/72 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 0/72 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 3 (OVERLAPS) 7/198 variables, 49/121 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 31/152 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 0/152 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 6 (OVERLAPS) 322/520 variables, 198/350 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/520 variables, 42/392 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/520 variables, 399/791 constraints. Problems are: Problem set: 42 solved, 399 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 20/811 constraints. Problems are: Problem set: 42 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 520/520 variables, and 811 constraints, problems are : Problem set: 42 solved, 399 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 399/441 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60399ms problems are : Problem set: 42 solved, 399 unsolved
Search for dead transitions found 42 dead transitions in 60418ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) removed 42 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 198/198 places, 406/448 transitions.
Applied a total of 0 rules in 13 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2026-05-27 05:38:12] [INFO ] Redundant transitions in 4 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 61319 ms. Remains : 198/198 places, 406/448 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-423676072537982904.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18285424735687107821.kers'
[2026-05-27 05:38:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-423676072537982904.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18285424735687107821.kers]
Normalized transition count is 294 out of 406 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:38:12] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18285424735687107821.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[7]
RANDOM walk for 1000000 steps (2 resets) in 2172 ms. (460 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 742 ms. (1345 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[7]
[2026-05-27 05:38:15] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10015266447461916197.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4123025822326061314.kers'
[2026-05-27 05:38:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10015266447461916197.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4123025822326061314.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:38:15] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4123025822326061314.kers
Total runtime 3 ms.
[2026-05-27 05:38:15] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2026-05-27 05:38:15] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2026-05-27 05:38:15] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:38:15] [INFO ] [Real]Added 35 Read/Feed constraints in 8 ms returned sat
[2026-05-27 05:38:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:38:15] [INFO ] [Nat]Absence check using 58 positive place invariants in 22 ms returned sat
[2026-05-27 05:38:15] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-27 05:38:15] [INFO ] [Nat]Added 35 Read/Feed constraints in 11 ms returned sat
[2026-05-27 05:38:15] [INFO ] Computed and/alt/rep : 252/1463/252 causal constraints (skipped 35 transitions) in 21 ms.
[2026-05-27 05:38:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 193 ms
[2026-05-27 05:38:16] [INFO ] Added : 135 causal constraints over 27 iterations in 971 ms. Result :sat
Minimization took 293 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 9 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 198/198 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 10 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2026-05-27 05:38:17] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:38:17] [INFO ] Invariant cache hit.
[2026-05-27 05:38:17] [INFO ] Implicit Places using invariants in 295 ms returned []
[2026-05-27 05:38:17] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:38:17] [INFO ] Invariant cache hit.
[2026-05-27 05:38:17] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:38:17] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 821 ms to find 0 implicit places.
[2026-05-27 05:38:17] [INFO ] Redundant transitions in 2 ms returned []
Running 399 sub problems to find dead transitions.
[2026-05-27 05:38:17] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:38:17] [INFO ] Invariant cache hit.
[2026-05-27 05:38:17] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/191 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/191 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 2 (OVERLAPS) 7/198 variables, 49/58 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/198 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 20/98 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 20/118 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 20/138 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 198/492 variables, and 156 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 0/198 constraints, ReadFeed: 0/35 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 98/98 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 399 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/191 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/191 variables, 70/79 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 3 (OVERLAPS) 7/198 variables, 49/128 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 28/156 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 12/168 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 9/177 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 9 (OVERLAPS) 294/492 variables, 198/376 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/492 variables, 35/411 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 399/810 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 492/492 variables, and 822 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 132/132 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60198ms problems are : Problem set: 0 solved, 399 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61044 ms. Remains : 198/198 places, 406/406 transitions.
RANDOM walk for 40000 steps (8 resets) in 945 ms. (42 steps per ms) remains 2/2 properties
[2026-05-27 05:39:18] [INFO ] Flatten gal took : 143 ms
BEST_FIRST walk for 40003 steps (8 resets) in 244 ms. (163 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
[2026-05-27 05:39:18] [INFO ] Flatten gal took : 147 ms
[2026-05-27 05:39:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9156240101038353561.gal : 31 ms
[2026-05-27 05:39:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11046057854233130551.prop : 2 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/ReachabilityCardinality9156240101038353561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11046057854233130551.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11046057854233130551.prop.
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 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 44
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :44 after 81
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :81 after 151
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :151 after 740
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :740 after 1663
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1663 after 3117
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3117 after 31625
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31625 after 59655
Interrupted probabilistic random walk after 411696 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 2
Probabilistic random walk after 411696 steps, saw 194484 distinct states, run finished after 3006 ms. (steps per millisecond=136 ) properties seen :0
[2026-05-27 05:39:21] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:39:21] [INFO ] Invariant cache hit.
[2026-05-27 05:39:21] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 291 constraints, problems are : Problem set: 0 solved, 2 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :59655 after 191654
At refinement iteration 9 (INCLUDED_ONLY) 0/492 variables, 20/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/492 variables, 7/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 492/492 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4686 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5078ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 609 ms.
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 16 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 198/198 places, 406/406 transitions.
RANDOM walk for 40000 steps (8 resets) in 278 ms. (143 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 87 ms. (454 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 454255 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 2
Probabilistic random walk after 454255 steps, saw 212469 distinct states, run finished after 3001 ms. (steps per millisecond=151 ) properties seen :0
[2026-05-27 05:39:30] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:39:30] [INFO ] Invariant cache hit.
[2026-05-27 05:39:30] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 291 constraints, problems are : Problem set: 0 solved, 2 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/492 variables, 20/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/492 variables, 7/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 492/492 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4525 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4836ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 430 ms.
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 12 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 198/198 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 9 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2026-05-27 05:39:35] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:39:35] [INFO ] Invariant cache hit.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :191654 after 2.90761e+06
[2026-05-27 05:39:36] [INFO ] Implicit Places using invariants in 252 ms returned []
[2026-05-27 05:39:36] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:39:36] [INFO ] Invariant cache hit.
[2026-05-27 05:39:36] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:39:36] [INFO ] Implicit Places using invariants and state equation in 518 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
[2026-05-27 05:39:36] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 788 ms. Remains : 198/198 places, 406/406 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Iterating post reduction 0 with 112 rules applied. Total rules applied 112 place count 198 transition count 294
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 49 Pre rules applied. Total rules applied 112 place count 198 transition count 245
Deduced a syphon composed of 49 places in 0 ms
Ensure Unique test removed 42 places
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 1 with 140 rules applied. Total rules applied 252 place count 107 transition count 245
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 266 place count 100 transition count 238
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 280 place count 93 transition count 280
Free-agglomeration rule applied 7 times.
Iterating global reduction 1 with 7 rules applied. Total rules applied 287 place count 93 transition count 273
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 294 place count 86 transition count 273
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 301 place count 86 transition count 273
Partial Post-agglomeration rule applied 7 times.
Drop transitions (Partial Post agglomeration) removed 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 308 place count 86 transition count 273
Applied a total of 308 rules in 92 ms. Remains 86 /198 variables (removed 112) and now considering 273/406 (removed 133) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9743006799996439948.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15975401661174358362.kers'
[2026-05-27 05:39:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9743006799996439948.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15975401661174358362.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 273 rows 79 cols 980 entries
Finished phase 1 with 70 SingleSign rule and 0 generalized
[2026-05-27 05:39:36] [INFO ] Computed 16 invariants in 1 ms
Computed 16 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-15975401661174358362.kers
Total runtime 5 ms.
[2026-05-27 05:39:36] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2026-05-27 05:39:36] [INFO ] After 151ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-27 05:39:36] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-27 05:39:36] [INFO ] After 102ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-27 05:39:36] [INFO ] After 143ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-27 05:39:37] [INFO ] After 213ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-27 05:39:37] [INFO ] Flatten gal took : 31 ms
[2026-05-27 05:39:37] [INFO ] Flatten gal took : 29 ms
[2026-05-27 05:39:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4652487871220211806.gal : 7 ms
[2026-05-27 05:39:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6180097067381373474.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/ReachabilityCardinality4652487871220211806.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6180097067381373474.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/ReachabilityCardinality6180097067381373474.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 14
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 113
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :113 after 157
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :157 after 216
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :216 after 1221
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1221 after 2357
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2357 after 7404
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7404 after 17048
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :17048 after 271448
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :271448 after 1.14662e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.14662e+06 after 4.12679e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4.12679e+06 after 1.87012e+07
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.87012e+07 after 4.29054e+07
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.90761e+06 after 4.71048e+06
Detected timeout of ITS tools.
[2026-05-27 05:39:52] [INFO ] Flatten gal took : 22 ms
[2026-05-27 05:39:52] [INFO ] Applying decomposition
[2026-05-27 05:39:52] [INFO ] Flatten gal took : 24 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/graph17287549695235215953.txt' '-o' '/tmp/graph17287549695235215953.bin' '-w' '/tmp/graph17287549695235215953.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17287549695235215953.bin' '-l' '-1' '-v' '-w' '/tmp/graph17287549695235215953.weights' '-q' '0' '-e' '0.001'
[2026-05-27 05:39:52] [INFO ] Decomposing Gal with order
[2026-05-27 05:39:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 05:39:52] [INFO ] Removed a total of 320 redundant transitions.
[2026-05-27 05:39:52] [INFO ] Flatten gal took : 118 ms
[2026-05-27 05:39:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 268 labels/synchronizations in 23 ms.
[2026-05-27 05:39:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14958098341411583946.gal : 4 ms
[2026-05-27 05:39:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13771378858812089099.prop : 0 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/ReachabilityCardinality14958098341411583946.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13771378858812089099.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 ...330
Loading property file /tmp/ReachabilityCardinality13771378858812089099.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 21
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :21 after 107
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :107 after 178
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :178 after 318
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :318 after 3123
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3123 after 5296
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5296 after 67298
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :67298 after 777752
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :777752 after 2.242e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.242e+06 after 2.00596e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.56504e+08 after 1.68251e+08
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.68251e+08 after 3.61106e+08
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\_mod\_flatf,1.12348e+09,13.0664,284628,2,28762,20,1.41995e+06,7,0,609,1.26543e+06,0
Total reachable state count : 1123478698
Verifying 1 reachability properties.
Reachability property MAX0 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
MAX0,2,13.0769,284628,2,88,20,1.41995e+06,7,0,655,1.26543e+06,0
Over-approximation ignoring read arcs solved 0 properties in 29277 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-27 05:40:05] [INFO ] Flatten gal took : 39 ms
[2026-05-27 05:40:05] [INFO ] Applying decomposition
[2026-05-27 05:40:05] [INFO ] Flatten gal took : 35 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/graph11090596434381466677.txt' '-o' '/tmp/graph11090596434381466677.bin' '-w' '/tmp/graph11090596434381466677.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11090596434381466677.bin' '-l' '-1' '-v' '-w' '/tmp/graph11090596434381466677.weights' '-q' '0' '-e' '0.001'
[2026-05-27 05:40:06] [INFO ] Decomposing Gal with order
[2026-05-27 05:40:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 05:40:06] [INFO ] Removed a total of 476 redundant transitions.
[2026-05-27 05:40:06] [INFO ] Flatten gal took : 76 ms
[2026-05-27 05:40:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 172 labels/synchronizations in 17 ms.
[2026-05-27 05:40:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2586882151581263439.gal : 6 ms
[2026-05-27 05:40:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3710962903530555647.prop : 0 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/ReachabilityCardinality2586882151581263439.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3710962903530555647.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/ReachabilityCardinality3710962903530555647.prop.
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 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 75
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :75 after 152
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :152 after 861
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :861 after 1738
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1738 after 3756
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3756 after 33599
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :33599 after 62908
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :62908 after 227741
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :227741 after 1.41884e+06
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :1.41884e+06 after 3.4049e+06
Detected timeout of ITS tools.
Starting property specific reduction for LamportFastMutEx-COL-7-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14532123760462864791.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2823206100004447108.kers'
[2026-05-27 05:40:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14532123760462864791.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2823206100004447108.kers]
Normalized transition count is 294 out of 406 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:40:56] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-2823206100004447108.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2 resets) in 23 ms. (416 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[7]
[2026-05-27 05:40:56] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9763412263023680916.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18332424637449587022.kers'
[2026-05-27 05:40:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9763412263023680916.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18332424637449587022.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:40:56] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18332424637449587022.kers
Total runtime 3 ms.
[2026-05-27 05:40:56] [INFO ] [Real]Absence check using 58 positive place invariants in 23 ms returned sat
[2026-05-27 05:40:56] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2026-05-27 05:40:56] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:40:56] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2026-05-27 05:40:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:40:56] [INFO ] [Nat]Absence check using 58 positive place invariants in 18 ms returned sat
[2026-05-27 05:40:56] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2026-05-27 05:40:56] [INFO ] [Nat]Added 35 Read/Feed constraints in 12 ms returned sat
[2026-05-27 05:40:56] [INFO ] Computed and/alt/rep : 252/1463/252 causal constraints (skipped 35 transitions) in 21 ms.
[2026-05-27 05:40:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 208 ms
[2026-05-27 05:40:57] [INFO ] Added : 135 causal constraints over 27 iterations in 982 ms. Result :sat
Minimization took 283 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 11 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 198/198 places, 406/406 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11944974902812573944.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-298569892316435167.kers'
[2026-05-27 05:40:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11944974902812573944.kers, --Pflows, --basisKERS=/tmp/petrispot-output-298569892316435167.kers]
Normalized transition count is 294 out of 406 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:40:58] [INFO ] Computed 58 invariants in 2 ms
Computed 58 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-298569892316435167.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[7]
RANDOM walk for 1000000 steps (2 resets) in 2088 ms. (478 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 704 ms. (1418 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[7]
[2026-05-27 05:41:01] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12845962229383091690.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7905640824284677656.kers'
[2026-05-27 05:41:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12845962229383091690.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7905640824284677656.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 294 rows 191 cols 1036 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-27 05:41:01] [INFO ] Computed 58 invariants in 1 ms
Computed 58 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7905640824284677656.kers
Total runtime 2 ms.
[2026-05-27 05:41:01] [INFO ] [Real]Absence check using 58 positive place invariants in 18 ms returned sat
[2026-05-27 05:41:01] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2026-05-27 05:41:01] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:41:01] [INFO ] [Real]Added 35 Read/Feed constraints in 7 ms returned sat
[2026-05-27 05:41:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 05:41:01] [INFO ] [Nat]Absence check using 58 positive place invariants in 19 ms returned sat
[2026-05-27 05:41:01] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2026-05-27 05:41:01] [INFO ] [Nat]Added 35 Read/Feed constraints in 11 ms returned sat
[2026-05-27 05:41:01] [INFO ] Computed and/alt/rep : 252/1463/252 causal constraints (skipped 35 transitions) in 21 ms.
[2026-05-27 05:41:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2026-05-27 05:41:02] [INFO ] Added : 135 causal constraints over 27 iterations in 943 ms. Result :sat
Minimization took 279 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 8 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 198/198 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 8 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2026-05-27 05:41:03] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:03] [INFO ] Invariant cache hit.
[2026-05-27 05:41:03] [INFO ] Implicit Places using invariants in 267 ms returned []
[2026-05-27 05:41:03] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:03] [INFO ] Invariant cache hit.
[2026-05-27 05:41:03] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:41:04] [INFO ] Implicit Places using invariants and state equation in 513 ms returned []
Implicit Place search using SMT with State Equation took 781 ms to find 0 implicit places.
[2026-05-27 05:41:04] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 797 ms. Remains : 198/198 places, 406/406 transitions.
[2026-05-27 05:41:04] [INFO ] Flatten gal took : 24 ms
[2026-05-27 05:41:04] [INFO ] Flatten gal took : 23 ms
[2026-05-27 05:41:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality74099278241770938.gal : 4 ms
[2026-05-27 05:41:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8443114694795836481.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/ReachabilityCardinality74099278241770938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8443114694795836481.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 234 ms. (170 steps per ms) remains 2/2 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...326
BEST_FIRST walk for 40002 steps (8 resets) in 99 ms. (400 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality8443114694795836481.prop.
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 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 44
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :44 after 81
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :81 after 151
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :151 after 740
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :740 after 1663
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1663 after 3117
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3117 after 31625
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :31625 after 59655
Interrupted probabilistic random walk after 479321 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :0 out of 2
Probabilistic random walk after 479321 steps, saw 223798 distinct states, run finished after 3001 ms. (steps per millisecond=159 ) properties seen :0
[2026-05-27 05:41:07] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:07] [INFO ] Invariant cache hit.
[2026-05-27 05:41:07] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 291 constraints, problems are : Problem set: 0 solved, 2 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :59655 after 191654
At refinement iteration 9 (INCLUDED_ONLY) 0/492 variables, 20/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/492 variables, 7/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 492/492 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4702 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5016ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 421 ms.
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 9 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 198/198 places, 406/406 transitions.
RANDOM walk for 40000 steps (8 resets) in 214 ms. (186 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 487334 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 2
Probabilistic random walk after 487334 steps, saw 227053 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
[2026-05-27 05:41:15] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:15] [INFO ] Invariant cache hit.
[2026-05-27 05:41:15] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/492 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 492/492 variables, and 291 constraints, problems are : Problem set: 0 solved, 2 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 161/168 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/462 variables, 168/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 35/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 30/492 variables, 30/282 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/492 variables, 9/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/492 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/492 variables, 20/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/492 variables, 7/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/492 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 492/492 variables, and 320 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4653 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, State Equation: 198/198 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4954ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :191654 after 2.90761e+06
Parikh walk visited 0 properties in 437 ms.
Support contains 7 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 12 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 198/198 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 406/406 transitions.
Applied a total of 0 rules in 7 ms. Remains 198 /198 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2026-05-27 05:41:21] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:21] [INFO ] Invariant cache hit.
[2026-05-27 05:41:21] [INFO ] Implicit Places using invariants in 242 ms returned []
[2026-05-27 05:41:21] [INFO ] Flow matrix only has 294 transitions (discarded 112 similar events)
[2026-05-27 05:41:21] [INFO ] Invariant cache hit.
[2026-05-27 05:41:21] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-27 05:41:22] [INFO ] Implicit Places using invariants and state equation in 583 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
[2026-05-27 05:41:22] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 842 ms. Remains : 198/198 places, 406/406 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Iterating post reduction 0 with 112 rules applied. Total rules applied 112 place count 198 transition count 294
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 49 Pre rules applied. Total rules applied 112 place count 198 transition count 245
Deduced a syphon composed of 49 places in 0 ms
Ensure Unique test removed 42 places
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 1 with 140 rules applied. Total rules applied 252 place count 107 transition count 245
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 266 place count 100 transition count 238
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 280 place count 93 transition count 280
Free-agglomeration rule applied 7 times.
Iterating global reduction 1 with 7 rules applied. Total rules applied 287 place count 93 transition count 273
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 294 place count 86 transition count 273
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 301 place count 86 transition count 273
Partial Post-agglomeration rule applied 7 times.
Drop transitions (Partial Post agglomeration) removed 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 308 place count 86 transition count 273
Applied a total of 308 rules in 36 ms. Remains 86 /198 variables (removed 112) and now considering 273/406 (removed 133) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1472833981745979624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12355792249378003954.kers'
[2026-05-27 05:41:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1472833981745979624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12355792249378003954.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 273 rows 79 cols 980 entries
Finished phase 1 with 70 SingleSign rule and 0 generalized
[2026-05-27 05:41:22] [INFO ] Computed 16 invariants in 1 ms
Computed 16 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12355792249378003954.kers
Total runtime 2 ms.
[2026-05-27 05:41:22] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2026-05-27 05:41:22] [INFO ] After 142ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-27 05:41:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2026-05-27 05:41:22] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-27 05:41:22] [INFO ] After 141ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-27 05:41:22] [INFO ] After 222ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-27 05:41:22] [INFO ] Flatten gal took : 14 ms
[2026-05-27 05:41:22] [INFO ] Flatten gal took : 13 ms
[2026-05-27 05:41:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3617590132478071872.gal : 3 ms
[2026-05-27 05:41:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13068209142527454029.prop : 0 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/ReachabilityCardinality3617590132478071872.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13068209142527454029.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13068209142527454029.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 14
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 113
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :113 after 157
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :157 after 216
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :216 after 1221
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1221 after 2357
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2357 after 7404
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7404 after 17048
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :17048 after 271448
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :271448 after 1.14662e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.14662e+06 after 4.12679e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4.12679e+06 after 1.87012e+07
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.87012e+07 after 4.29054e+07
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.90761e+06 after 4.71048e+06
Detected timeout of ITS tools.
[2026-05-27 05:41:37] [INFO ] Flatten gal took : 12 ms
[2026-05-27 05:41:37] [INFO ] Applying decomposition
[2026-05-27 05:41:37] [INFO ] Flatten gal took : 11 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/graph6049045701861803459.txt' '-o' '/tmp/graph6049045701861803459.bin' '-w' '/tmp/graph6049045701861803459.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6049045701861803459.bin' '-l' '-1' '-v' '-w' '/tmp/graph6049045701861803459.weights' '-q' '0' '-e' '0.001'
[2026-05-27 05:41:37] [INFO ] Decomposing Gal with order
[2026-05-27 05:41:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 05:41:37] [INFO ] Removed a total of 310 redundant transitions.
[2026-05-27 05:41:37] [INFO ] Flatten gal took : 44 ms
[2026-05-27 05:41:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 199 labels/synchronizations in 10 ms.
[2026-05-27 05:41:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality937437148379891301.gal : 3 ms
[2026-05-27 05:41:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15100815708695151541.prop : 0 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/ReachabilityCardinality937437148379891301.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15100815708695151541.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/ReachabilityCardinality15100815708695151541.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 29
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :29 after 37
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :37 after 129
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :129 after 399
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :399 after 850
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :850 after 4216
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4216 after 105154
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :105154 after 1.39204e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.39204e+06 after 1.20006e+07
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.20006e+07 after 3.93701e+07
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 8193 fixpoint passes
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\_mod\_flatf,1.98679e+08,3.75347,96060,2,17671,19,517188,6,0,609,360929,0
Total reachable state count : 198678621
Verifying 1 reachability properties.
Reachability property MAX0 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
MAX0,4,3.76873,96060,2,89,19,517188,7,0,654,360929,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 19442 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-27 05:41:41] [INFO ] Flatten gal took : 14 ms
[2026-05-27 05:41:41] [INFO ] Applying decomposition
[2026-05-27 05:41:41] [INFO ] Flatten gal took : 19 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/graph2786923686448992481.txt' '-o' '/tmp/graph2786923686448992481.bin' '-w' '/tmp/graph2786923686448992481.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2786923686448992481.bin' '-l' '-1' '-v' '-w' '/tmp/graph2786923686448992481.weights' '-q' '0' '-e' '0.001'
[2026-05-27 05:41:41] [INFO ] Decomposing Gal with order
[2026-05-27 05:41:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 05:41:41] [INFO ] Removed a total of 469 redundant transitions.
[2026-05-27 05:41:41] [INFO ] Flatten gal took : 58 ms
[2026-05-27 05:41:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 128 labels/synchronizations in 12 ms.
[2026-05-27 05:41:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6583503223293506002.gal : 5 ms
[2026-05-27 05:41:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6395168754058325314.prop : 0 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/ReachabilityCardinality6583503223293506002.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6395168754058325314.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/ReachabilityCardinality6395168754058325314.prop.
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 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 47
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :47 after 78
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :78 after 214
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :214 after 981
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :981 after 2044
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2044 after 4592
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4592 after 34036
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :34036 after 64797
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :64797 after 238579
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :238579 after 2.91611e+06
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.91611e+06 after 5.15714e+06
Detected timeout of ITS tools.
Ending property specific reduction for LamportFastMutEx-COL-7-UpperBounds-05 in 95479 ms.
[2026-05-27 05:42:31] [INFO ] Flatten gal took : 15 ms
[2026-05-27 05:42:31] [INFO ] Applying decomposition
[2026-05-27 05:42:31] [INFO ] Flatten gal took : 14 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/graph11251389276490461661.txt' '-o' '/tmp/graph11251389276490461661.bin' '-w' '/tmp/graph11251389276490461661.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11251389276490461661.bin' '-l' '-1' '-v' '-w' '/tmp/graph11251389276490461661.weights' '-q' '0' '-e' '0.001'
[2026-05-27 05:42:31] [INFO ] Decomposing Gal with order
[2026-05-27 05:42:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 05:42:31] [INFO ] Removed a total of 542 redundant transitions.
[2026-05-27 05:42:31] [INFO ] Flatten gal took : 40 ms
[2026-05-27 05:42:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 133 labels/synchronizations in 13 ms.
[2026-05-27 05:42:32] [INFO ] Time to serialize gal into /tmp/UpperBounds10797916231787336410.gal : 4 ms
[2026-05-27 05:42:32] [INFO ] Time to serialize properties into /tmp/UpperBounds14991854208846271151.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/UpperBounds10797916231787336410.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14991854208846271151.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 ...306
Loading property file /tmp/UpperBounds14991854208846271151.prop.
Detected timeout of ITS tools.
[2026-05-27 06:04:50] [INFO ] Applying decomposition
[2026-05-27 06:04:50] [INFO ] Flatten gal took : 507 ms
[2026-05-27 06:04:51] [INFO ] Decomposing Gal with order
[2026-05-27 06:04:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 06:04:52] [INFO ] Removed a total of 976 redundant transitions.
[2026-05-27 06:04:52] [INFO ] Flatten gal took : 810 ms
[2026-05-27 06:04:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 249 ms.
[2026-05-27 06:04:53] [INFO ] Time to serialize gal into /tmp/UpperBounds8030111564014871681.gal : 111 ms
[2026-05-27 06:04:53] [INFO ] Time to serialize properties into /tmp/UpperBounds6135251061401094433.prop : 7 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/UpperBounds8030111564014871681.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6135251061401094433.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 ...304
Loading property file /tmp/UpperBounds6135251061401094433.prop.
Detected timeout of ITS tools.
[2026-05-27 06:27:10] [INFO ] Flatten gal took : 911 ms
[2026-05-27 06:27:16] [INFO ] Input system was already deterministic with 406 transitions.
[2026-05-27 06:27:16] [INFO ] Transformed 198 places.
[2026-05-27 06:27:16] [INFO ] Transformed 406 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-27 06:27:16] [INFO ] Time to serialize gal into /tmp/UpperBounds3924033570255454281.gal : 18 ms
[2026-05-27 06:27:16] [INFO ] Time to serialize properties into /tmp/UpperBounds16325819832640604718.prop : 4 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/UpperBounds3924033570255454281.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16325819832640604718.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--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 ...350
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds16325819832640604718.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
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-7"
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-7, 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-177961107900381"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-7.tgz
mv LamportFastMutEx-COL-7 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 ;