Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876423000597.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is LamportFastMutEx-COL-2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876423000597
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 38K May 29 14:32 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-2-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748871510390

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-2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2025-06-02 13:38:31] [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]
[2025-06-02 13:38:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:38:31] [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.
[2025-06-02 13:38:32] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 13:38:32] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 635 ms
[2025-06-02 13:38:32] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 69 PT places and 117.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
[2025-06-02 13:38:32] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 4 ms.
[2025-06-02 13:38:32] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
// Phase 1: matrix 17 rows 15 cols
[2025-06-02 13:38:32] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 2, 0, 2, 0, 0, 1, 0, 0, 1, 0, 0, 0] Max Struct:[2, 2, 2, 2, 2, 2, 2, 4, 2, 1, 2, 2, 1, 2, 2, 4]
FORMULA LamportFastMutEx-COL-2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-2-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-2-UpperBounds-06 2 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-2-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-02 13:38:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:32] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2025-06-02 13:38:32] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 13:38:32] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 13:38:32] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:32] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:32] [INFO ] Added : 7 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 12 ms.
[2025-06-02 13:38:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:32] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:32] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 13:38:32] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:32] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:32] [INFO ] Added : 7 causal constraints over 2 iterations in 14 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:32] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:32] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:32] [INFO ] [Real]Added 1 Read/Feed constraints in 4 ms returned sat
[2025-06-02 13:38:32] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:32] [INFO ] Added : 9 causal constraints over 2 iterations in 13 ms. Result :sat
Minimization took 5 ms.
[2025-06-02 13:38:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 9 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:33] [INFO ] Added : 5 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Added : 5 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 3 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 12 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 6 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 11 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Added : 5 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 13:38:33] [INFO ] Added : 6 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 4 ms.
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:33] [INFO ] Added : 6 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-02 13:38:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 13:38:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 13:38:33] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 13:38:33] [INFO ] Added : 12 causal constraints over 3 iterations in 28 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 4]
Domain [pid(3), pid(3)] 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.
[2025-06-02 13:38:33] [INFO ] Unfolded HLPN to a Petri net with 69 places and 96 transitions 402 arcs in 20 ms.
[2025-06-02 13:38:33] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 34 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:[2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 4]
[2025-06-02 13:38:33] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2025-06-02 13:38:33] [INFO ] Computed 10 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 4]
RANDOM walk for 10000 steps (2 resets) in 48 ms. (204 steps per ms)
FORMULA LamportFastMutEx-COL-2-UpperBounds-13 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-11 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-10 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-05 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80003 steps (16 resets) in 159 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 2, 1, 1, 2] Max Struct:[2, 2, 2, 2, 4, 2, 2, 4]
[2025-06-02 13:38:34] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2025-06-02 13:38:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:34] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 13:38:34] [INFO ] [Real]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 13:38:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 3 ms to minimize.
[2025-06-02 13:38:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 6 trap constraints in 262 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Real]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
[2025-06-02 13:38:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 167 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Real]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:34] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:34] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 3 ms to minimize.
[2025-06-02 13:38:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 6 trap constraints in 247 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] Computed and/alt/rep : 56/152/52 causal constraints (skipped 2 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 3 ms to minimize.
[2025-06-02 13:38:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2025-06-02 13:38:35] [INFO ] Added : 40 causal constraints over 8 iterations in 103 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 13:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 1 ms to minimize.
[2025-06-02 13:38:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 6 trap constraints in 242 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:35] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
[2025-06-02 13:38:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 152 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-02 13:38:35] [INFO ] [Real]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:36] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:36] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:36] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
[2025-06-02 13:38:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 5 trap constraints in 178 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:36] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:36] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 13:38:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 13:38:36] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2025-06-02 13:38:36] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-02 13:38:36] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:36] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
[2025-06-02 13:38:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 165 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 2, 1, 1, 2] Max Struct:[1, 1, 1, 2, 2, 1, 1, 2]
FORMULA LamportFastMutEx-COL-2-UpperBounds-15 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-2-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[2]
Support contains 2 out of 44 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 62/62 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 60
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 42 transition count 58
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 40 transition count 58
Applied a total of 8 rules in 22 ms. Remains 40 /44 variables (removed 4) and now considering 58/62 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 40/44 places, 58/62 transitions.
[2025-06-02 13:38:36] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 40 cols
[2025-06-02 13:38:36] [INFO ] Computed 10 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2]
RANDOM walk for 1000000 steps (2 resets) in 1755 ms. (569 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 738 ms. (1353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[2]
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:39] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:39] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-02 13:38:39] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 13:38:39] [INFO ] [Real]Added 16 Read/Feed constraints in 5 ms returned sat
[2025-06-02 13:38:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:39] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 13:38:39] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 4 ms to minimize.
[2025-06-02 13:38:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 126 ms
[2025-06-02 13:38:39] [INFO ] Computed and/alt/rep : 48/148/46 causal constraints (skipped 4 transitions) in 3 ms.
[2025-06-02 13:38:39] [INFO ] Added : 20 causal constraints over 5 iterations in 34 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[2]
Support contains 2 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 58/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 58/58 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 40/40 places, 58/58 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 58/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 58/58 (removed 0) transitions.
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:39] [INFO ] Implicit Places using invariants in 62 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 63 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 38/40 places, 58/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 58/58 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 70 ms. Remains : 38/40 places, 58/58 transitions.
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
// Phase 1: matrix 52 rows 38 cols
[2025-06-02 13:38:39] [INFO ] Computed 8 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2]
RANDOM walk for 1000000 steps (2 resets) in 1669 ms. (598 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 748 ms. (1335 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[2]
[2025-06-02 13:38:41] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:41] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:41] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 13:38:41] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-02 13:38:41] [INFO ] [Real]Added 12 Read/Feed constraints in 5 ms returned sat
[2025-06-02 13:38:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:41] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2025-06-02 13:38:41] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-02 13:38:41] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 13:38:41] [INFO ] Computed and/alt/rep : 52/148/48 causal constraints (skipped 2 transitions) in 3 ms.
[2025-06-02 13:38:41] [INFO ] Added : 26 causal constraints over 7 iterations in 33 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[2]
Support contains 2 out of 38 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 38/38 places, 58/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 58/58 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 38/38 places, 58/58 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 38/38 places, 58/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 58/58 (removed 0) transitions.
[2025-06-02 13:38:41] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:42] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-02 13:38:42] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:42] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-02 13:38:42] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:42] [INFO ] Redundant transitions in 1 ms returned []
Running 56 sub problems to find dead transitions.
[2025-06-02 13:38:42] [INFO ] Flow matrix only has 52 transitions (discarded 6 similar events)
[2025-06-02 13:38:42] [INFO ] Invariant cache hit.
[2025-06-02 13:38:42] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 56 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 3 ms to minimize.
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 4 ms to minimize.
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Problem TDEAD24 is UNSAT
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 1 ms to minimize.
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:42] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
Problem TDEAD48 is UNSAT
Problem TDEAD50 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 16/24 constraints. Problems are: Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:43] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 1/25 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 0/25 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 4 (OVERLAPS) 52/90 variables, 38/63 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 12/75 constraints. Problems are: Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:43] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 1/76 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/90 variables, 0/76 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/90 variables, 0/76 constraints. Problems are: Problem set: 12 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 90/90 variables, and 76 constraints, problems are : Problem set: 12 solved, 44 unsolved in 1768 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 4/4 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 9/13 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/13 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/17 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 9/26 constraints. Problems are: Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:44] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 1/27 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 52/90 variables, 38/65 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/90 variables, 12/77 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/90 variables, 44/121 constraints. Problems are: Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:44] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/90 variables, 1/122 constraints. Problems are: Problem set: 12 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:44] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/90 variables, 1/123 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/90 variables, 0/123 constraints. Problems are: Problem set: 12 solved, 44 unsolved
At refinement iteration 13 (OVERLAPS) 0/90 variables, 0/123 constraints. Problems are: Problem set: 12 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 90/90 variables, and 123 constraints, problems are : Problem set: 12 solved, 44 unsolved in 1681 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 44/56 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3479ms problems are : Problem set: 12 solved, 44 unsolved
Search for dead transitions found 12 dead transitions in 3485ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 38/38 places, 46/58 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:45] [INFO ] Redundant transitions in 0 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3604 ms. Remains : 38/38 places, 46/58 transitions.
[2025-06-02 13:38:45] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
// Phase 1: matrix 44 rows 38 cols
[2025-06-02 13:38:45] [INFO ] Computed 8 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[2]
RANDOM walk for 1000000 steps (2 resets) in 1607 ms. (621 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 695 ms. (1436 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[2]
[2025-06-02 13:38:47] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:47] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:47] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-06-02 13:38:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:47] [INFO ] [Real]Added 10 Read/Feed constraints in 6 ms returned sat
[2025-06-02 13:38:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 13:38:48] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:48] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 13:38:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
[2025-06-02 13:38:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
[2025-06-02 13:38:48] [INFO ] Computed and/alt/rep : 44/124/42 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 13:38:48] [INFO ] Added : 34 causal constraints over 7 iterations in 31 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[2]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[2]
Support contains 2 out of 38 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 38/38 places, 46/46 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 38/38 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 38/38 places, 46/46 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2025-06-02 13:38:48] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:48] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-02 13:38:48] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:48] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:48] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:48] [INFO ] Redundant transitions in 1 ms returned []
Running 44 sub problems to find dead transitions.
[2025-06-02 13:38:48] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:48] [INFO ] Invariant cache hit.
[2025-06-02 13:38:48] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (OVERLAPS) 2/38 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:48] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 20/28 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:49] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (OVERLAPS) 44/82 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 10/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (OVERLAPS) 0/82 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 82/82 variables, and 79 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1716 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (OVERLAPS) 44/82 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 10/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 44/123 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:50] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:50] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/82 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 0/82 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 82/82 variables, and 125 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1813 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3538ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3539ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3645 ms. Remains : 38/38 places, 46/46 transitions.
[2025-06-02 13:38:52] [INFO ] Flatten gal took : 38 ms
[2025-06-02 13:38:52] [INFO ] Flatten gal took : 18 ms
[2025-06-02 13:38:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5411497331785822342.gal : 33 ms
[2025-06-02 13:38:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16612823705173981991.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5411497331785822342.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16612823705173981991.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (8 resets) in 1028 ms. (38 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16612823705173981991.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 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 52
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :52 after 88
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :88 after 195
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :310 after 324
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,324,0.049343,4756,2,566,12,2569,8,0,202,2717,0
Total reachable state count : 324

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.049801,4884,1,0,12,2569,8,0,205,2717,0
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.050172,5012,1,0,12,2569,8,0,207,2717,0
BEST_FIRST walk for 40003 steps (8 resets) in 274 ms. (145 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 208 ms. (191 steps per ms) remains 2/2 properties
Probably explored full state space saw : 324 states, properties seen :0
Probabilistic random walk after 932 steps, saw 324 distinct states, run finished after 17 ms. (steps per millisecond=54 ) properties seen :0
Explored full state space saw : 324 states, properties seen :0
Exhaustive walk after 932 steps, saw 324 distinct states, run finished after 5 ms. (steps per millisecond=186 ) properties seen :0
FORMULA LamportFastMutEx-COL-2-UpperBounds-03 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 20623 ms.

BK_STOP 1748871532472

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-2"
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 2-5832"
echo " Executing tool itstools"
echo " Input is LamportFastMutEx-COL-2, 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 r114-tall-174876423000597"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-2.tgz
mv LamportFastMutEx-COL-2 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;