Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881254600757.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 QuasiCertifProtocol-COL-22, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881254600757
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K 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 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 104K 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 QuasiCertifProtocol-COL-22-UpperBounds-00
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-01
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-02
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-03
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-04
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-05
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-06
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-07
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-08
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-09
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-10
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-11
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-12
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-13
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-14
FORMULA_NAME QuasiCertifProtocol-COL-22-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749130704420

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=QuasiCertifProtocol-COL-22
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2025-06-05 13:38:25] [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]
[2025-06-05 13:38:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 13:38:25] [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.
[2025-06-05 13:38:26] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-05 13:38:26] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 574 ms
[2025-06-05 13:38:26] [INFO ] Imported 30 HL places and 26 HL transitions for a total of 1966 PT places and 356.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
[2025-06-05 13:38:26] [INFO ] Built PT skeleton of HLPN with 30 places and 26 transitions 77 arcs in 5 ms.
[2025-06-05 13:38:26] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
// Phase 1: matrix 26 rows 30 cols
[2025-06-05 13:38:26] [INFO ] Computed 5 invariants in 6 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 1, 23, 1, 13, +inf, +inf, 23, 23, +inf, 1, 13, 23]
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-07 13 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-05 13:38:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-05 13:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-05 13:38:26] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-05 13:38:26] [INFO ] Added : 13 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-05 13:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 6 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-05 13:38:26] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:26] [INFO ] Added : 7 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
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-05 13:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-05 13:38:26] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-05 13:38:26] [INFO ] Added : 13 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:26] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-05 13:38:26] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:26] [INFO ] Added : 13 causal constraints over 3 iterations in 16 ms. Result :sat
Minimization took 8 ms.
[2025-06-05 13:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-05 13:38:27] [INFO ] Added : 13 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:27] [INFO ] Added : 9 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:27] [INFO ] Added : 13 causal constraints over 3 iterations in 12 ms. Result :sat
Minimization took 7 ms.
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 13 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 9 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-05 13:38:27] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:27] [INFO ] Added : 11 causal constraints over 3 iterations in 16 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:27] [INFO ] Added : 9 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 7 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-05 13:38:27] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-05 13:38:27] [INFO ] Added : 7 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:27] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-05 13:38:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2025-06-05 13:38:28] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2025-06-05 13:38:28] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-05 13:38:28] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:28] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:28] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-05 13:38:28] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-05 13:38:28] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 9 ms.
[2025-06-05 13:38:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:28] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2025-06-05 13:38:28] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-05 13:38:28] [INFO ] Computed and/alt/rep : 24/31/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-05 13:38:28] [INFO ] Added : 2 causal constraints over 1 iterations in 5 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, 0, 0, 0] Max Struct:[529, 23, 23, 13, 1, 23, 1, +inf, +inf, 23, 23, +inf, 1, 13, 23]
Domain [tsid(23), tsid(23)] of place n9 breaks symmetries in sort tsid
[2025-06-05 13:38:28] [INFO ] Unfolded HLPN to a Petri net with 1966 places and 356 transitions 4323 arcs in 29 ms.
[2025-06-05 13:38:28] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 1, 23, 1, +inf, +inf, 23, 23, +inf, 1, 13, 23]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 1, 23, 1, +inf, +inf, 23, 23, +inf, 1, 13, 23]
// Phase 1: matrix 356 rows 1966 cols
[2025-06-05 13:38:28] [INFO ] Computed 1611 invariants in 74 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 1, 23, 1, +inf, +inf, 23, 23, +inf, 1, 13, 23]
RANDOM walk for 10000 steps (371 resets) in 253 ms. (39 steps per ms)
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-14 13 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120010 steps (253 resets) in 475 ms. (252 steps per ms)
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-15 23 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 23, +inf, +inf, 23, 23, +inf, 1]
[2025-06-05 13:38:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:29] [INFO ] [Real]Absence check using 4 positive place invariants in 33 ms returned sat
[2025-06-05 13:38:29] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 286 ms returned sat
[2025-06-05 13:38:32] [INFO ] [Real]Absence check using state equation in 2796 ms returned sat
[2025-06-05 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
[2025-06-05 13:38:32] [INFO ] [Nat]Absence check using 4 positive place invariants in 27 ms returned sat
[2025-06-05 13:38:33] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 278 ms returned sat
[2025-06-05 13:38:34] [INFO ] [Nat]Absence check using state equation in 1770 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:38:35] [INFO ] Deduced a trap composed of 5 places in 790 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:38:36] [INFO ] Deduced a trap composed of 5 places in 753 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:38:37] [INFO ] Deduced a trap composed of 5 places in 732 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:38:38] [INFO ] Deduced a trap composed of 5 places in 706 ms of which 52 ms to minimize.
[2025-06-05 13:38:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:38] [INFO ] [Real]Absence check using 4 positive place invariants in 17 ms returned sat
[2025-06-05 13:38:38] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 271 ms returned sat
[2025-06-05 13:38:39] [INFO ] [Real]Absence check using state equation in 654 ms returned sat
[2025-06-05 13:38:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 17 ms returned sat
[2025-06-05 13:38:39] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 271 ms returned sat
[2025-06-05 13:38:40] [INFO ] [Nat]Absence check using state equation in 637 ms returned sat
[2025-06-05 13:38:40] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 21 ms.
[2025-06-05 13:38:41] [INFO ] Added : 87 causal constraints over 18 iterations in 946 ms. Result :sat
Minimization took 601 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:42] [INFO ] [Real]Absence check using 4 positive place invariants in 18 ms returned sat
[2025-06-05 13:38:42] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 284 ms returned sat
[2025-06-05 13:38:43] [INFO ] [Real]Absence check using state equation in 848 ms returned sat
[2025-06-05 13:38:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 18 ms returned sat
[2025-06-05 13:38:43] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 284 ms returned sat
[2025-06-05 13:38:44] [INFO ] [Nat]Absence check using state equation in 1031 ms returned sat
[2025-06-05 13:38:44] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 22 ms.
[2025-06-05 13:38:46] [INFO ] Added : 117 causal constraints over 24 iterations in 1335 ms. Result :sat
Minimization took 598 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:47] [INFO ] [Real]Absence check using 4 positive place invariants in 17 ms returned sat
[2025-06-05 13:38:47] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 282 ms returned sat
[2025-06-05 13:38:47] [INFO ] [Real]Absence check using state equation in 605 ms returned sat
[2025-06-05 13:38:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:48] [INFO ] [Nat]Absence check using 4 positive place invariants in 18 ms returned sat
[2025-06-05 13:38:48] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 267 ms returned sat
[2025-06-05 13:38:49] [INFO ] [Nat]Absence check using state equation in 1232 ms returned sat
[2025-06-05 13:38:49] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 27 ms.
[2025-06-05 13:38:50] [INFO ] Added : 107 causal constraints over 22 iterations in 1173 ms. Result :sat
Minimization took 594 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:51] [INFO ] [Real]Absence check using 4 positive place invariants in 16 ms returned sat
[2025-06-05 13:38:52] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 260 ms returned sat
[2025-06-05 13:38:53] [INFO ] [Real]Absence check using state equation in 1154 ms returned sat
[2025-06-05 13:38:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:53] [INFO ] [Nat]Absence check using 4 positive place invariants in 20 ms returned sat
[2025-06-05 13:38:53] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 264 ms returned sat
[2025-06-05 13:38:54] [INFO ] [Nat]Absence check using state equation in 591 ms returned sat
[2025-06-05 13:38:54] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 19 ms.
[2025-06-05 13:38:55] [INFO ] Added : 87 causal constraints over 18 iterations in 942 ms. Result :sat
Minimization took 595 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:56] [INFO ] [Real]Absence check using 4 positive place invariants in 16 ms returned sat
[2025-06-05 13:38:56] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 257 ms returned sat
[2025-06-05 13:38:57] [INFO ] [Real]Absence check using state equation in 956 ms returned sat
[2025-06-05 13:38:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:38:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 18 ms returned sat
[2025-06-05 13:38:57] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 276 ms returned sat
[2025-06-05 13:38:58] [INFO ] [Nat]Absence check using state equation in 1053 ms returned sat
[2025-06-05 13:38:58] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 21 ms.
[2025-06-05 13:38:59] [INFO ] Added : 27 causal constraints over 6 iterations in 386 ms. Result :sat
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:00] [INFO ] [Real]Absence check using 4 positive place invariants in 17 ms returned sat
[2025-06-05 13:39:00] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 268 ms returned sat
[2025-06-05 13:39:01] [INFO ] [Real]Absence check using state equation in 730 ms returned sat
[2025-06-05 13:39:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:01] [INFO ] [Nat]Absence check using 4 positive place invariants in 18 ms returned sat
[2025-06-05 13:39:01] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 269 ms returned sat
[2025-06-05 13:39:02] [INFO ] [Nat]Absence check using state equation in 735 ms returned sat
[2025-06-05 13:39:02] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 20 ms.
[2025-06-05 13:39:03] [INFO ] Added : 72 causal constraints over 15 iterations in 797 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:03] [INFO ] [Real]Absence check using 4 positive place invariants in 16 ms returned sat
[2025-06-05 13:39:04] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 257 ms returned sat
[2025-06-05 13:39:04] [INFO ] [Real]Absence check using state equation in 624 ms returned sat
[2025-06-05 13:39:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:05] [INFO ] [Nat]Absence check using 4 positive place invariants in 16 ms returned sat
[2025-06-05 13:39:05] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 257 ms returned sat
[2025-06-05 13:39:06] [INFO ] [Nat]Absence check using state equation in 1353 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:39:07] [INFO ] Deduced a trap composed of 8 places in 782 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 13:39:08] [INFO ] Deduced a trap composed of 11 places in 890 ms of which 86 ms to minimize.
[2025-06-05 13:39:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1806 ms
[2025-06-05 13:39:08] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 20 ms.
[2025-06-05 13:39:09] [INFO ] Added : 47 causal constraints over 10 iterations in 537 ms. Result :sat
Minimization took 597 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:09] [INFO ] [Real]Absence check using 4 positive place invariants in 15 ms returned sat
[2025-06-05 13:39:10] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 262 ms returned sat
[2025-06-05 13:39:10] [INFO ] [Real]Absence check using state equation in 574 ms returned sat
[2025-06-05 13:39:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:10] [INFO ] [Nat]Absence check using 4 positive place invariants in 22 ms returned sat
[2025-06-05 13:39:11] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 253 ms returned sat
[2025-06-05 13:39:11] [INFO ] [Nat]Absence check using state equation in 559 ms returned sat
[2025-06-05 13:39:11] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 19 ms.
[2025-06-05 13:39:12] [INFO ] Added : 94 causal constraints over 19 iterations in 923 ms. Result :sat
Minimization took 592 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:13] [INFO ] [Real]Absence check using 4 positive place invariants in 17 ms returned sat
[2025-06-05 13:39:13] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 265 ms returned sat
[2025-06-05 13:39:14] [INFO ] [Real]Absence check using state equation in 530 ms returned sat
[2025-06-05 13:39:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:14] [INFO ] [Nat]Absence check using 4 positive place invariants in 21 ms returned sat
[2025-06-05 13:39:14] [INFO ] [Nat]Absence check using 4 positive and 1607 generalized place invariants in 256 ms returned sat
[2025-06-05 13:39:15] [INFO ] [Nat]Absence check using state equation in 1142 ms returned sat
[2025-06-05 13:39:16] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 19 ms.
[2025-06-05 13:39:17] [INFO ] Added : 93 causal constraints over 19 iterations in 964 ms. Result :sat
Minimization took 585 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-05 13:39:17] [INFO ] [Real]Absence check using 4 positive place invariants in 16 ms returned sat
[2025-06-05 13:39:18] [INFO ] [Real]Absence check using 4 positive and 1607 generalized place invariants in 256 ms returned sat
[2025-06-05 13:39:18] [INFO ] [Real]Absence check using state equation in 650 ms returned sat
[2025-06-05 13:39:18] [INFO ] Computed and/alt/rep : 260/306/260 causal constraints (skipped 72 transitions) in 18 ms.
[2025-06-05 13:39:19] [INFO ] Added : 55 causal constraints over 11 iterations in 642 ms. Result :sat
Minimization took 686 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 23, +inf, +inf, 23, 23, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 23, +inf, +inf, 23, 23, +inf, 1]
Support contains 1221 out of 1966 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1966/1966 places, 356/356 transitions.
Graph (complete) has 16044 edges and 1966 vertex of which 1940 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.9 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Discarding 23 places :
Implicit places reduction removed 23 places
Iterating post reduction 0 with 96 rules applied. Total rules applied 97 place count 1917 transition count 283
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 25 Pre rules applied. Total rules applied 97 place count 1917 transition count 258
Deduced a syphon composed of 25 places in 1 ms
Ensure Unique test removed 45 places
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 1 with 95 rules applied. Total rules applied 192 place count 1847 transition count 258
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 192 place count 1847 transition count 257
Deduced a syphon composed of 1 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 195 place count 1845 transition count 257
Applied a total of 195 rules in 165 ms. Remains 1845 /1966 variables (removed 121) and now considering 257/356 (removed 99) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 1845/1966 places, 257/356 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 257 rows 1845 cols
[2025-06-05 13:39:20] [INFO ] Computed 1588 invariants in 41 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[529, 23, 23, 13, 23, +inf, +inf, 23, 23, +inf, 1]
RANDOM walk for 1000000 steps (16666 resets) in 22211 ms. (45 steps per ms)
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-10 23 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 8514269 steps (10000 resets) in 28195 ms. (301 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 14, 0, 0, 10, 23, 21, 0, 414] Max Struct:[529, 23, 23, 13, 23, +inf, +inf, 23, +inf]
[2025-06-05 13:40:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:11] [INFO ] [Real]Absence check using 530 positive place invariants in 103 ms returned sat
[2025-06-05 13:40:11] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 176 ms returned sat
[2025-06-05 13:40:13] [INFO ] [Real]Absence check using state equation in 1625 ms returned sat
[2025-06-05 13:40:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:13] [INFO ] [Nat]Absence check using 530 positive place invariants in 102 ms returned sat
[2025-06-05 13:40:13] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 184 ms returned sat
[2025-06-05 13:40:15] [INFO ] [Nat]Absence check using state equation in 2389 ms returned sat
[2025-06-05 13:40:16] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 19 ms.
[2025-06-05 13:40:17] [INFO ] Added : 93 causal constraints over 19 iterations in 1411 ms. Result :sat
Minimization took 1630 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:19] [INFO ] [Real]Absence check using 530 positive place invariants in 91 ms returned sat
[2025-06-05 13:40:19] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 173 ms returned sat
[2025-06-05 13:40:20] [INFO ] [Real]Absence check using state equation in 583 ms returned sat
[2025-06-05 13:40:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:20] [INFO ] [Nat]Absence check using 530 positive place invariants in 96 ms returned sat
[2025-06-05 13:40:20] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 172 ms returned sat
[2025-06-05 13:40:21] [INFO ] [Nat]Absence check using state equation in 1078 ms returned sat
[2025-06-05 13:40:21] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 14 ms.
[2025-06-05 13:40:22] [INFO ] Added : 46 causal constraints over 10 iterations in 619 ms. Result :sat
Minimization took 1390 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:24] [INFO ] [Real]Absence check using 530 positive place invariants in 105 ms returned sat
[2025-06-05 13:40:24] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 208 ms returned sat
[2025-06-05 13:40:24] [INFO ] [Real]Absence check using state equation in 515 ms returned sat
[2025-06-05 13:40:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:25] [INFO ] [Nat]Absence check using 530 positive place invariants in 143 ms returned sat
[2025-06-05 13:40:25] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 204 ms returned sat
[2025-06-05 13:40:26] [INFO ] [Nat]Absence check using state equation in 743 ms returned sat
[2025-06-05 13:40:26] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 13 ms.
[2025-06-05 13:40:27] [INFO ] Added : 93 causal constraints over 19 iterations in 1193 ms. Result :sat
Minimization took 1500 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:29] [INFO ] [Real]Absence check using 530 positive place invariants in 92 ms returned sat
[2025-06-05 13:40:29] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 172 ms returned sat
[2025-06-05 13:40:29] [INFO ] [Real]Absence check using state equation in 605 ms returned sat
[2025-06-05 13:40:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:30] [INFO ] [Nat]Absence check using 530 positive place invariants in 104 ms returned sat
[2025-06-05 13:40:30] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 171 ms returned sat
[2025-06-05 13:40:31] [INFO ] [Nat]Absence check using state equation in 749 ms returned sat
[2025-06-05 13:40:31] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 13 ms.
[2025-06-05 13:40:31] [INFO ] Added : 83 causal constraints over 17 iterations in 788 ms. Result :sat
Minimization took 1508 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:33] [INFO ] [Real]Absence check using 530 positive place invariants in 93 ms returned sat
[2025-06-05 13:40:33] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 177 ms returned sat
[2025-06-05 13:40:35] [INFO ] [Real]Absence check using state equation in 1217 ms returned sat
[2025-06-05 13:40:35] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 16 ms.
[2025-06-05 13:40:36] [INFO ] Added : 69 causal constraints over 14 iterations in 1105 ms. Result :sat
Minimization took 1524 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:38] [INFO ] [Real]Absence check using 530 positive place invariants in 98 ms returned sat
[2025-06-05 13:40:38] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 184 ms returned sat
[2025-06-05 13:40:39] [INFO ] [Real]Absence check using state equation in 953 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:39] [INFO ] [Real]Absence check using 530 positive place invariants in 92 ms returned sat
[2025-06-05 13:40:39] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 184 ms returned sat
[2025-06-05 13:40:40] [INFO ] [Real]Absence check using state equation in 676 ms returned sat
[2025-06-05 13:40:40] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 13 ms.
[2025-06-05 13:40:41] [INFO ] Added : 45 causal constraints over 9 iterations in 569 ms. Result :sat
Minimization took 1431 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:42] [INFO ] [Real]Absence check using 530 positive place invariants in 90 ms returned sat
[2025-06-05 13:40:43] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 188 ms returned sat
[2025-06-05 13:40:43] [INFO ] [Real]Absence check using state equation in 546 ms returned sat
[2025-06-05 13:40:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:43] [INFO ] [Nat]Absence check using 530 positive place invariants in 91 ms returned sat
[2025-06-05 13:40:44] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 172 ms returned sat
[2025-06-05 13:40:45] [INFO ] [Nat]Absence check using state equation in 1290 ms returned sat
[2025-06-05 13:40:45] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 19 ms.
[2025-06-05 13:40:46] [INFO ] Added : 83 causal constraints over 17 iterations in 806 ms. Result :sat
Minimization took 1716 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:48] [INFO ] [Real]Absence check using 530 positive place invariants in 92 ms returned sat
[2025-06-05 13:40:48] [INFO ] [Real]Absence check using 530 positive and 1058 generalized place invariants in 182 ms returned sat
[2025-06-05 13:40:49] [INFO ] [Real]Absence check using state equation in 1011 ms returned sat
[2025-06-05 13:40:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:40:49] [INFO ] [Nat]Absence check using 530 positive place invariants in 92 ms returned sat
[2025-06-05 13:40:49] [INFO ] [Nat]Absence check using 530 positive and 1058 generalized place invariants in 181 ms returned sat
[2025-06-05 13:40:50] [INFO ] [Nat]Absence check using state equation in 1057 ms returned sat
[2025-06-05 13:40:51] [INFO ] Computed and/alt/rep : 185/208/185 causal constraints (skipped 71 transitions) in 12 ms.
[2025-06-05 13:40:51] [INFO ] Added : 78 causal constraints over 16 iterations in 824 ms. Result :sat
Minimization took 1744 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 14, 0, 0, 10, 23, 21, 0, 414] Max Struct:[529, 23, 23, 13, 23, 23, +inf, 23, +inf]
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-08 23 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-11 23 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-05 23 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-01 23 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-03 13 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-02 23 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-00 529 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[23, 529] Max Struct:[+inf, +inf]
Support contains 552 out of 1845 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1845/1845 places, 257/257 transitions.
Graph (complete) has 16195 edges and 1845 vertex of which 693 are kept as prefixes of interest. Removing 1152 places using SCC suffix rule.2 ms
Discarding 1152 places :
Also discarding 115 output transitions
Drop transitions (Output transitions of discarded places.) removed 115 transitions
Drop transitions (Empty/Sink Transition effects.) removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Discarding 23 places :
Implicit places reduction removed 23 places
Iterating post reduction 0 with 70 rules applied. Total rules applied 71 place count 670 transition count 95
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 23 Pre rules applied. Total rules applied 71 place count 670 transition count 72
Deduced a syphon composed of 23 places in 1 ms
Ensure Unique test removed 23 places
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 1 with 69 rules applied. Total rules applied 140 place count 624 transition count 72
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 1 rules applied. Total rules applied 141 place count 624 transition count 71
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 142 place count 623 transition count 71
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 143 place count 622 transition count 70
Applied a total of 143 rules in 44 ms. Remains 622 /1845 variables (removed 1223) and now considering 70/257 (removed 187) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 622/1845 places, 70/257 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 70 rows 622 cols
[2025-06-05 13:40:56] [INFO ] Computed 552 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[23, 529] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (14084 resets) in 24263 ms. (41 steps per ms)
BEST_FIRST walk for 1264511 steps (1120 resets) in 9688 ms. (130 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[23, 529] Max Struct:[+inf, +inf]
[2025-06-05 13:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:41:30] [INFO ] [Real]Absence check using 0 positive and 552 generalized place invariants in 78 ms returned sat
[2025-06-05 13:41:30] [INFO ] [Real]Absence check using state equation in 95 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-05 13:41:30] [INFO ] [Real]Absence check using 0 positive and 552 generalized place invariants in 75 ms returned sat
[2025-06-05 13:41:30] [INFO ] [Real]Absence check using state equation in 343 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[23, 529] Max Struct:[23, 529]
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-12 529 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA QuasiCertifProtocol-COL-22-UpperBounds-09 23 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-05 13:41:31] [INFO ] Flatten gal took : 64 ms
[2025-06-05 13:41:31] [INFO ] Flatten gal took : 41 ms
[2025-06-05 13:41:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2672643970567010562.gal : 16 ms
[2025-06-05 13:41:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17054866760795050447.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2672643970567010562.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17054866760795050447.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 185499 ms.

BK_STOP 1749130891141

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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="QuasiCertifProtocol-COL-22"
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 QuasiCertifProtocol-COL-22, 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 r156-tall-174881254600757"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-COL-22.tgz
mv QuasiCertifProtocol-COL-22 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 ;