Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r251-tall-174915605100115.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)
................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is VehicularWifi-COL-none, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r251-tall-174915605100115
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 8.5K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_pt
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 5 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 188K May 29 14:33 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 VehicularWifi-COL-none-UpperBounds-00
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-01
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-02
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-03
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-04
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-05
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-06
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-07
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-08
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-09
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-10
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-11
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-12
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-13
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-14
FORMULA_NAME VehicularWifi-COL-none-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749197001084

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=VehicularWifi-COL-none
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202405141337
[2025-06-06 08:03:22] [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]
[2025-06-06 08:03:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 08:03:22] [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.
[2025-06-06 08:03:22] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-06 08:03:23] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 665 ms
[2025-06-06 08:03:23] [INFO ] Detected 1 constant HL places corresponding to 81920 PT places.
[2025-06-06 08:03:23] [INFO ] Imported 21 HL places and 41 HL transitions for a total of 115566 PT places and 379924.0 transition bindings in 70 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
[2025-06-06 08:03:23] [INFO ] Built PT skeleton of HLPN with 21 places and 41 transitions 136 arcs in 4 ms.
[2025-06-06 08:03:23] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
Normalized transition count is 30 out of 31 initially.
// Phase 1: matrix 30 rows 20 cols
[2025-06-06 08:03:23] [INFO ] Computed 5 invariants in 13 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 4, 0, 0, 0, 8256, 8, 2, 0, 0, 0, 0, 0] Max Struct:[11, 11, 1, 1, 4, 11, +inf, 4, 8256, 11, 11, 11, 4, 11, 4, +inf]
FORMULA VehicularWifi-COL-none-UpperBounds-08 8256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA VehicularWifi-COL-none-UpperBounds-04 4 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-06 08:03:23] [INFO ] Flow matrix only has 30 transitions (discarded 1 similar events)
// Phase 1: matrix 30 rows 20 cols
[2025-06-06 08:03:23] [INFO ] Computed 5 invariants in 0 ms
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive place invariants in 5 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-06 08:03:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 08:03:23] [INFO ] [Real]Added 10 Read/Feed constraints in 6 ms returned sat
[2025-06-06 08:03:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-06 08:03:23] [INFO ] Added : 19 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 18 ms.
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive place invariants in 5 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-06 08:03:23] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-06 08:03:23] [INFO ] Added : 13 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 11 ms.
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-06 08:03:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:23] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:23] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-06 08:03:24] [INFO ] Added : 21 causal constraints over 6 iterations in 23 ms. Result :sat
Minimization took 7 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-06 08:03:24] [INFO ] Added : 2 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 7 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-06 08:03:24] [INFO ] Added : 17 causal constraints over 5 iterations in 30 ms. Result :sat
Minimization took 15 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-06 08:03:24] [INFO ] Added : 18 causal constraints over 4 iterations in 28 ms. Result :sat
Minimization took 10 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 08:03:24] [INFO ] Added : 19 causal constraints over 5 iterations in 20 ms. Result :sat
Minimization took 13 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 08:03:24] [INFO ] Added : 18 causal constraints over 5 iterations in 18 ms. Result :sat
Minimization took 8 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-06 08:03:24] [INFO ] Added : 18 causal constraints over 5 iterations in 20 ms. Result :sat
Minimization took 18 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 08:03:24] [INFO ] Added : 17 causal constraints over 4 iterations in 17 ms. Result :sat
Minimization took 10 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 08:03:24] [INFO ] Added : 16 causal constraints over 4 iterations in 13 ms. Result :sat
Minimization took 11 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-06 08:03:24] [INFO ] Added : 20 causal constraints over 6 iterations in 18 ms. Result :sat
Minimization took 11 ms.
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:24] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-06 08:03:25] [INFO ] Added : 18 causal constraints over 5 iterations in 30 ms. Result :sat
Minimization took 14 ms.
[2025-06-06 08:03:25] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-06 08:03:25] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2025-06-06 08:03:25] [INFO ] Computed and/alt/rep : 26/70/26 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 08:03:25] [INFO ] Added : 13 causal constraints over 4 iterations in 14 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 0, 0, 0] Max Struct:[11, 11, 1, 1, 11, +inf, 4, 11, 11, 11, 4, 11, 4, +inf]
Arc [14:1*[$sa, $sb, $p, (MOD (ADD (MOD (MINUS $b 1) 1024) 1024) 1024)]] contains successor/predecessor on variables of sort BackoffStage
Arc [13:1*[$sa, $sb, $p, (MOD (ADD $tx 1) 20)]] contains successor/predecessor on variables of sort TxCount
Transition CorrectPacketButAck forces synchronizations/join behavior on parameter p2 of sort Pr
Arc [4:1*[$sa, $sb, $p, (MOD (ADD $pt 1) 4)]] contains successor/predecessor on variables of sort PT
Domain [St(2), St(2), Pr(4), PT(4)] of place Sense breaks symmetries in sort St
[2025-06-06 08:03:26] [INFO ] Unfolded HLPN to a Petri net with 115566 places and 83836 transitions 301810 arcs in 994 ms.
[2025-06-06 08:03:26] [INFO ] Unfolded 14 HLPN properties in 2 ms.
Deduced a syphon composed of 98581 places in 263 ms
Reduce places removed 106837 places and 54136 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 0, 0, 0] Max Struct:[+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, 8, 2, 0, 0, 0, 0, 0] Max Struct:[11, 11, 1, 1, 11, +inf, 4, 11, 11, 11, 4, 11, 4, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 0, 0, 0] Max Struct:[11, 11, 1, 1, 11, +inf, 4, 11, 11, 11, 4, 11, 4, +inf]
[2025-06-06 08:03:27] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
// Phase 1: matrix 17308 rows 8729 cols
[2025-06-06 08:03:28] [INFO ] Computed 8 invariants in 917 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 8, 2, 0, 0, 0, 0, 0] Max Struct:[11, 11, 1, 1, 11, +inf, 4, 11, 11, 11, 4, 11, 4, +inf]
RANDOM walk for 10000 steps (2 resets) in 1035 ms. (9 steps per ms)
FORMULA VehicularWifi-COL-none-UpperBounds-07 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-14 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-12 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90007 steps (18 resets) in 1460 ms. (61 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 8, 2, 115, 8, 10, 8, 8, 42] Max Struct:[11, 11, 11, +inf, 11, 11, 11, 11, +inf]
[2025-06-06 08:03:30] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
[2025-06-06 08:03:31] [INFO ] Invariant cache hit.
[2025-06-06 08:03:32] [INFO ] [Real]Absence check using 6 positive place invariants in 155 ms returned sat
[2025-06-06 08:03:32] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 74 ms returned sat
[2025-06-06 08:03:36] [INFO ] [Real]Absence check using state equation in 3861 ms returned unknown
[2025-06-06 08:03:36] [INFO ] [Real]Absence check using 6 positive place invariants in 145 ms returned sat
[2025-06-06 08:03:37] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 78 ms returned sat
[2025-06-06 08:03:41] [INFO ] [Real]Absence check using state equation in 3974 ms returned unknown
[2025-06-06 08:03:41] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:03:42] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 76 ms returned sat
[2025-06-06 08:03:46] [INFO ] [Real]Absence check using state equation in 3970 ms returned unknown
[2025-06-06 08:03:46] [INFO ] [Real]Absence check using 6 positive place invariants in 146 ms returned sat
[2025-06-06 08:03:47] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 76 ms returned sat
[2025-06-06 08:03:51] [INFO ] [Real]Absence check using state equation in 3996 ms returned unknown
[2025-06-06 08:03:52] [INFO ] [Real]Absence check using 6 positive place invariants in 133 ms returned sat
[2025-06-06 08:03:52] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 85 ms returned sat
[2025-06-06 08:03:56] [INFO ] [Real]Absence check using state equation in 3986 ms returned unknown
[2025-06-06 08:03:57] [INFO ] [Real]Absence check using 6 positive place invariants in 140 ms returned sat
[2025-06-06 08:03:57] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 92 ms returned unsat
[2025-06-06 08:03:58] [INFO ] [Real]Absence check using 6 positive place invariants in 146 ms returned sat
[2025-06-06 08:03:58] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 79 ms returned sat
[2025-06-06 08:04:02] [INFO ] [Real]Absence check using state equation in 3971 ms returned unknown
[2025-06-06 08:04:03] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:04:03] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 86 ms returned sat
[2025-06-06 08:04:07] [INFO ] [Real]Absence check using state equation in 3938 ms returned unknown
[2025-06-06 08:04:08] [INFO ] [Real]Absence check using 6 positive place invariants in 139 ms returned sat
[2025-06-06 08:04:08] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 73 ms returned sat
[2025-06-06 08:04:12] [INFO ] [Real]Absence check using state equation in 3967 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4, 8, 2, 115, 8, 10, 8, 8, 42] Max Struct:[11, 11, 11, +inf, 11, 10, 11, 11, +inf]
FORMULA VehicularWifi-COL-none-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 8, 2, 115, 8, 8, 8, 42] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
Support contains 4426 out of 8729 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 24 Pre rules applied. Total rules applied 0 place count 8729 transition count 29676
Deduced a syphon composed of 24 places in 20 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 8705 transition count 29676
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 56 place count 8705 transition count 29668
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 8697 transition count 29668
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 1 with 7 rules applied. Total rules applied 71 place count 8697 transition count 29668
Applied a total of 71 rules in 2394 ms. Remains 8697 /8729 variables (removed 32) and now considering 29668/29700 (removed 32) transitions.
Running 29659 sub problems to find dead transitions.
[2025-06-06 08:04:14] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
// Phase 1: matrix 17272 rows 8697 cols
[2025-06-06 08:04:15] [INFO ] Computed 8 invariants in 736 ms
[2025-06-06 08:04:15] [INFO ] State equation strengthened by 8414 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 20447 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 29659/13243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29659 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 20333 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 16416/13243 constraints, Known Traps: 0/0 constraints]
After SMT, in 367599ms problems are : Problem set: 0 solved, 29659 unsolved
Search for dead transitions found 0 dead transitions in 367916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 370403 ms. Remains : 8697/8729 places, 29668/29700 transitions.
[2025-06-06 08:10:22] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
Found an invariant !
This invariant on transitions {54=1, 273=1, 281=1, 6533=1, 10888=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {42=1, 267=1, 275=1, 8791=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 845 ms. (steps per millisecond=11 ) properties (out of 8) seen :[4, 3, 2, 136, 8, 8, 4, 57]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 8, 2, 136, 8, 8, 8, 57] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
[2025-06-06 08:10:32] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:10:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 8, 2, 136, 8, 8, 8, 57] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
RANDOM walk for 319635 steps (0 resets) in 30001 ms. (10 steps per ms)
BEST_FIRST walk for 4900491 steps (11 resets) in 36986 ms. (132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 7, 9484, 8, 8, 8, 2255] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
[2025-06-06 08:11:39] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:11:39] [INFO ] Invariant cache hit.
[2025-06-06 08:11:40] [INFO ] [Real]Absence check using 6 positive place invariants in 149 ms returned sat
[2025-06-06 08:11:40] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 46 ms returned sat
[2025-06-06 08:11:54] [INFO ] [Real]Absence check using state equation in 13216 ms returned sat
[2025-06-06 08:11:54] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:11:55] [INFO ] [Nat]Absence check using 6 positive place invariants in 150 ms returned sat
[2025-06-06 08:11:55] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 45 ms returned sat
[2025-06-06 08:12:08] [INFO ] [Nat]Absence check using state equation in 13294 ms returned sat
[2025-06-06 08:12:08] [INFO ] State equation strengthened by 8414 read => feed constraints.
[2025-06-06 08:12:13] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:12:18] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9493 ms returned unknown
[2025-06-06 08:12:19] [INFO ] [Real]Absence check using 6 positive place invariants in 146 ms returned sat
[2025-06-06 08:12:19] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:12:26] [INFO ] [Real]Absence check using state equation in 7373 ms returned sat
[2025-06-06 08:12:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:12:27] [INFO ] [Nat]Absence check using 6 positive place invariants in 150 ms returned sat
[2025-06-06 08:12:27] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:12:35] [INFO ] [Nat]Absence check using state equation in 7406 ms returned sat
[2025-06-06 08:12:40] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:12:44] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9506 ms returned unknown
[2025-06-06 08:12:45] [INFO ] [Real]Absence check using 6 positive place invariants in 141 ms returned sat
[2025-06-06 08:12:45] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 57 ms returned sat
[2025-06-06 08:12:54] [INFO ] [Real]Absence check using state equation in 9060 ms returned sat
[2025-06-06 08:13:07] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:13:07] [INFO ] [Real]Added 8414 Read/Feed constraints in 12377 ms returned sat
[2025-06-06 08:13:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:13:08] [INFO ] [Nat]Absence check using 6 positive place invariants in 147 ms returned sat
[2025-06-06 08:13:08] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:13:16] [INFO ] [Nat]Absence check using state equation in 7851 ms returned sat
[2025-06-06 08:13:21] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:13:26] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9433 ms returned unknown
[2025-06-06 08:13:27] [INFO ] [Real]Absence check using 6 positive place invariants in 139 ms returned sat
[2025-06-06 08:13:27] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 41 ms returned sat
[2025-06-06 08:13:34] [INFO ] [Real]Absence check using state equation in 7613 ms returned sat
[2025-06-06 08:13:40] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:13:44] [INFO ] [Real]Added 8414 Read/Feed constraints in 9443 ms returned unknown
[2025-06-06 08:13:45] [INFO ] [Real]Absence check using 6 positive place invariants in 156 ms returned sat
[2025-06-06 08:13:45] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 51 ms returned sat
[2025-06-06 08:13:58] [INFO ] [Real]Absence check using state equation in 12930 ms returned sat
[2025-06-06 08:14:00] [INFO ] [Real]Added 8414 Read/Feed constraints in 1273 ms returned sat
[2025-06-06 08:14:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:14:01] [INFO ] [Nat]Absence check using 6 positive place invariants in 147 ms returned sat
[2025-06-06 08:14:01] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 47 ms returned sat
[2025-06-06 08:14:14] [INFO ] [Nat]Absence check using state equation in 13347 ms returned sat
[2025-06-06 08:14:19] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:14:24] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9576 ms returned unknown
[2025-06-06 08:14:25] [INFO ] [Real]Absence check using 6 positive place invariants in 144 ms returned sat
[2025-06-06 08:14:25] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:14:33] [INFO ] [Real]Absence check using state equation in 7967 ms returned sat
[2025-06-06 08:14:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:14:42] [INFO ] [Real]Added 8414 Read/Feed constraints in 9458 ms returned unknown
[2025-06-06 08:14:43] [INFO ] [Real]Absence check using 6 positive place invariants in 139 ms returned sat
[2025-06-06 08:14:43] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:14:56] [INFO ] [Real]Absence check using state equation in 12457 ms returned sat
[2025-06-06 08:15:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:15:06] [INFO ] [Real]Added 8414 Read/Feed constraints in 9437 ms returned unknown
[2025-06-06 08:15:06] [INFO ] [Real]Absence check using 6 positive place invariants in 139 ms returned sat
[2025-06-06 08:15:07] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 41 ms returned sat
[2025-06-06 08:15:12] [INFO ] [Real]Absence check using state equation in 5972 ms returned sat
[2025-06-06 08:15:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:15:14] [INFO ] [Nat]Absence check using 6 positive place invariants in 145 ms returned sat
[2025-06-06 08:15:14] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 52 ms returned sat
[2025-06-06 08:15:20] [INFO ] [Nat]Absence check using state equation in 6099 ms returned sat
[2025-06-06 08:15:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:15:29] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9437 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 7, 9484, 8, 8, 8, 2255] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 7, 9487, 8, 8, 8, 9486] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
Support contains 4426 out of 8697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 464 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 464 ms. Remains : 8697/8697 places, 29668/29668 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 462 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
[2025-06-06 08:16:01] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:16:01] [INFO ] Invariant cache hit.
[2025-06-06 08:16:11] [INFO ] Implicit Places using invariants in 9963 ms returned []
Implicit Place search using SMT only with invariants took 9964 ms to find 0 implicit places.
Running 29659 sub problems to find dead transitions.
[2025-06-06 08:16:12] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:16:12] [INFO ] Invariant cache hit.
[2025-06-06 08:16:12] [INFO ] State equation strengthened by 8414 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 30521 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 29659/13243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29659 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 30292 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 16416/13243 constraints, Known Traps: 0/0 constraints]
After SMT, in 418512ms problems are : Problem set: 0 solved, 29659 unsolved
Search for dead transitions found 0 dead transitions in 418789ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 429322 ms. Remains : 8697/8697 places, 29668/29668 transitions.
[2025-06-06 08:23:10] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
Found an invariant !
This invariant on transitions {54=1, 273=1, 281=1, 6533=1, 10888=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {42=1, 267=1, 275=1, 8791=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 742 ms. (steps per millisecond=13 ) properties (out of 8) seen :[3, 2, 2, 2147483647, 8, 8, 4, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 8, 7, +inf, 8, 8, 8, +inf] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
[2025-06-06 08:23:20] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:23:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, 7, +inf, 8, 8, 8, +inf] Max Struct:[11, 11, 11, +inf, 11, 11, 11, +inf]
RANDOM walk for 371232 steps (1 resets) in 30001 ms. (12 steps per ms)
FORMULA VehicularWifi-COL-none-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA VehicularWifi-COL-none-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 3725516 steps (8 resets) in 27066 ms. (137 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
[2025-06-06 08:24:17] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:24:17] [INFO ] Invariant cache hit.
[2025-06-06 08:24:18] [INFO ] [Real]Absence check using 6 positive place invariants in 144 ms returned sat
[2025-06-06 08:24:18] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 49 ms returned sat
[2025-06-06 08:24:31] [INFO ] [Real]Absence check using state equation in 13347 ms returned sat
[2025-06-06 08:24:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:24:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 145 ms returned sat
[2025-06-06 08:24:33] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 45 ms returned sat
[2025-06-06 08:24:46] [INFO ] [Nat]Absence check using state equation in 13258 ms returned sat
[2025-06-06 08:24:46] [INFO ] State equation strengthened by 8414 read => feed constraints.
[2025-06-06 08:24:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:24:55] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9458 ms returned unknown
[2025-06-06 08:24:56] [INFO ] [Real]Absence check using 6 positive place invariants in 140 ms returned sat
[2025-06-06 08:24:56] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:25:03] [INFO ] [Real]Absence check using state equation in 7098 ms returned sat
[2025-06-06 08:25:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:25:05] [INFO ] [Nat]Absence check using 6 positive place invariants in 147 ms returned sat
[2025-06-06 08:25:05] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:25:12] [INFO ] [Nat]Absence check using state equation in 7656 ms returned sat
[2025-06-06 08:25:17] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:25:22] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9466 ms returned unknown
[2025-06-06 08:25:23] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:25:23] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 49 ms returned sat
[2025-06-06 08:25:32] [INFO ] [Real]Absence check using state equation in 9539 ms returned sat
[2025-06-06 08:25:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:25:45] [INFO ] [Real]Added 8414 Read/Feed constraints in 12418 ms returned sat
[2025-06-06 08:25:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:25:46] [INFO ] [Nat]Absence check using 6 positive place invariants in 148 ms returned sat
[2025-06-06 08:25:46] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 45 ms returned sat
[2025-06-06 08:25:54] [INFO ] [Nat]Absence check using state equation in 7586 ms returned sat
[2025-06-06 08:25:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:26:03] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9485 ms returned unknown
[2025-06-06 08:26:04] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:26:04] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:26:18] [INFO ] [Real]Absence check using state equation in 13201 ms returned sat
[2025-06-06 08:26:19] [INFO ] [Real]Added 8414 Read/Feed constraints in 1266 ms returned sat
[2025-06-06 08:26:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:26:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 144 ms returned sat
[2025-06-06 08:26:20] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 42 ms returned sat
[2025-06-06 08:26:34] [INFO ] [Nat]Absence check using state equation in 13116 ms returned sat
[2025-06-06 08:26:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:26:43] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9589 ms returned unknown
[2025-06-06 08:26:44] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:26:44] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 42 ms returned sat
[2025-06-06 08:26:52] [INFO ] [Real]Absence check using state equation in 7468 ms returned sat
[2025-06-06 08:26:57] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:27:01] [INFO ] [Real]Added 8414 Read/Feed constraints in 9427 ms returned unknown
[2025-06-06 08:27:02] [INFO ] [Real]Absence check using 6 positive place invariants in 140 ms returned sat
[2025-06-06 08:27:02] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:27:14] [INFO ] [Real]Absence check using state equation in 12226 ms returned sat
[2025-06-06 08:27:20] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:27:24] [INFO ] [Real]Added 8414 Read/Feed constraints in 9424 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
Support contains 4234 out of 8697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 453 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 453 ms. Remains : 8697/8697 places, 29668/29668 transitions.
[2025-06-06 08:27:26] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:27:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
RANDOM walk for 386631 steps (1 resets) in 30001 ms. (12 steps per ms)
BEST_FIRST walk for 3697096 steps (8 resets) in 26978 ms. (137 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
[2025-06-06 08:28:23] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:28:23] [INFO ] Invariant cache hit.
[2025-06-06 08:28:24] [INFO ] [Real]Absence check using 6 positive place invariants in 143 ms returned sat
[2025-06-06 08:28:24] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 49 ms returned sat
[2025-06-06 08:28:37] [INFO ] [Real]Absence check using state equation in 12948 ms returned sat
[2025-06-06 08:28:37] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:28:38] [INFO ] [Nat]Absence check using 6 positive place invariants in 151 ms returned sat
[2025-06-06 08:28:38] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 47 ms returned sat
[2025-06-06 08:28:51] [INFO ] [Nat]Absence check using state equation in 13510 ms returned sat
[2025-06-06 08:28:51] [INFO ] State equation strengthened by 8414 read => feed constraints.
[2025-06-06 08:28:56] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:29:01] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9453 ms returned unknown
[2025-06-06 08:29:02] [INFO ] [Real]Absence check using 6 positive place invariants in 144 ms returned sat
[2025-06-06 08:29:02] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:29:09] [INFO ] [Real]Absence check using state equation in 7361 ms returned sat
[2025-06-06 08:29:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:29:11] [INFO ] [Nat]Absence check using 6 positive place invariants in 151 ms returned sat
[2025-06-06 08:29:11] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 43 ms returned sat
[2025-06-06 08:29:18] [INFO ] [Nat]Absence check using state equation in 7697 ms returned sat
[2025-06-06 08:29:23] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:29:28] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9437 ms returned unknown
[2025-06-06 08:29:29] [INFO ] [Real]Absence check using 6 positive place invariants in 147 ms returned sat
[2025-06-06 08:29:29] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 47 ms returned sat
[2025-06-06 08:29:38] [INFO ] [Real]Absence check using state equation in 9082 ms returned sat
[2025-06-06 08:29:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:29:51] [INFO ] [Real]Added 8414 Read/Feed constraints in 12338 ms returned sat
[2025-06-06 08:29:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:29:52] [INFO ] [Nat]Absence check using 6 positive place invariants in 150 ms returned sat
[2025-06-06 08:29:52] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:29:59] [INFO ] [Nat]Absence check using state equation in 7497 ms returned sat
[2025-06-06 08:30:04] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:30:09] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9434 ms returned unknown
[2025-06-06 08:30:10] [INFO ] [Real]Absence check using 6 positive place invariants in 145 ms returned sat
[2025-06-06 08:30:10] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 45 ms returned sat
[2025-06-06 08:30:24] [INFO ] [Real]Absence check using state equation in 13784 ms returned sat
[2025-06-06 08:30:25] [INFO ] [Real]Added 8414 Read/Feed constraints in 1262 ms returned sat
[2025-06-06 08:30:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-06 08:30:27] [INFO ] [Nat]Absence check using 6 positive place invariants in 152 ms returned sat
[2025-06-06 08:30:27] [INFO ] [Nat]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:30:40] [INFO ] [Nat]Absence check using state equation in 13851 ms returned sat
[2025-06-06 08:30:45] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:30:50] [INFO ] [Nat]Added 8414 Read/Feed constraints in 9640 ms returned unknown
[2025-06-06 08:30:51] [INFO ] [Real]Absence check using 6 positive place invariants in 146 ms returned sat
[2025-06-06 08:30:51] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 48 ms returned sat
[2025-06-06 08:30:59] [INFO ] [Real]Absence check using state equation in 7782 ms returned sat
[2025-06-06 08:31:04] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:31:09] [INFO ] [Real]Added 8414 Read/Feed constraints in 9499 ms returned unknown
[2025-06-06 08:31:10] [INFO ] [Real]Absence check using 6 positive place invariants in 147 ms returned sat
[2025-06-06 08:31:10] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 44 ms returned sat
[2025-06-06 08:31:23] [INFO ] [Real]Absence check using state equation in 13051 ms returned sat
[2025-06-06 08:31:28] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-06 08:31:33] [INFO ] [Real]Added 8414 Read/Feed constraints in 9530 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
Support contains 4234 out of 8697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 459 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 459 ms. Remains : 8697/8697 places, 29668/29668 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 452 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
[2025-06-06 08:31:34] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:31:34] [INFO ] Invariant cache hit.
[2025-06-06 08:31:44] [INFO ] Implicit Places using invariants in 9902 ms returned []
Implicit Place search using SMT only with invariants took 9905 ms to find 0 implicit places.
Running 29659 sub problems to find dead transitions.
[2025-06-06 08:31:45] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:31:45] [INFO ] Invariant cache hit.
[2025-06-06 08:31:45] [INFO ] State equation strengthened by 8414 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 30300 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 29659/13243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29659 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 30270 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 16416/13243 constraints, Known Traps: 0/0 constraints]
After SMT, in 383177ms problems are : Problem set: 0 solved, 29659 unsolved
Search for dead transitions found 0 dead transitions in 383384ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 393789 ms. Remains : 8697/8697 places, 29668/29668 transitions.
[2025-06-06 08:38:10] [INFO ] Flatten gal took : 1878 ms
RANDOM walk for 40000 steps (8 resets) in 9863 ms. (4 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 898 ms. (44 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 851 ms. (46 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 349 ms. (114 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 326 ms. (122 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 892 ms. (44 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 842 ms. (47 steps per ms) remains 11/11 properties
[2025-06-06 08:38:12] [INFO ] Flatten gal took : 1449 ms
BEST_FIRST walk for 40004 steps (8 resets) in 1145 ms. (34 steps per ms) remains 11/11 properties
[2025-06-06 08:38:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10173348694039941973.gal : 246 ms
[2025-06-06 08:38:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17530135096588358603.prop : 21 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10173348694039941973.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17530135096588358603.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 1187 ms. (33 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3158 ms. (12 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2944 ms. (13 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1127 ms. (35 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1076 ms. (37 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality17530135096588358603.prop.
Interrupted probabilistic random walk after 145221 steps, run timeout after 18001 ms. (steps per millisecond=8 ) properties seen :0 out of 11
Probabilistic random walk after 145221 steps, saw 129874 distinct states, run finished after 18007 ms. (steps per millisecond=8 ) properties seen :0
[2025-06-06 08:38:33] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:38:33] [INFO ] Invariant cache hit.
[2025-06-06 08:38:33] [INFO ] State equation strengthened by 8414 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4234 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 4249/8483 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
[2025-06-06 08:38:50] [INFO ] Deduced a trap composed of 47 places in 12818 ms of which 269 ms to minimize.
SMT process timed out in 16948ms, After SMT, problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4234 out of 8697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Applied a total of 0 rules in 457 ms. Remains 8697 /8697 variables (removed 0) and now considering 29668/29668 (removed 0) transitions.
Running 29659 sub problems to find dead transitions.
[2025-06-06 08:38:50] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:38:50] [INFO ] Invariant cache hit.
[2025-06-06 08:38:50] [INFO ] State equation strengthened by 8414 read => feed constraints.
Detected timeout of ITS tools.
[2025-06-06 08:39:03] [INFO ] Flatten gal took : 584 ms
[2025-06-06 08:39:03] [INFO ] Applying decomposition
[2025-06-06 08:39:03] [INFO ] Flatten gal took : 584 ms
[2025-06-06 08:39:26] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.util.concurrent.TimeoutException: Subprocess running '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4943897879364388757.txt' '-o' '/tmp/graph4943897879364388757.bin' '-w' '/tmp/graph4943897879364388757.weights' killed by timeout after 10 SECONDS
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:76)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:47)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:27)
at fr.lip6.move.gal.louvain.GraphBuilder.convertGraphToBin(GraphBuilder.java:258)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:189)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:157)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:114)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:719)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:71)
at java.base/java.lang.Thread.run(Thread.java:840)
[2025-06-06 08:39:27] [INFO ] Flatten gal took : 568 ms
[2025-06-06 08:39:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6811568331997748023.gal : 93 ms
[2025-06-06 08:39:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7439409962941523811.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6811568331997748023.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7439409962941523811.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7439409962941523811.prop.
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 20349 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 29659/13243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29659 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8688 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29659 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8688/25969 variables, and 2 constraints, problems are : Problem set: 0 solved, 29659 unsolved in 20287 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8697 constraints, ReadFeed: 0/8414 constraints, PredecessorRefiner: 16416/13243 constraints, Known Traps: 0/0 constraints]
After SMT, in 402911ms problems are : Problem set: 0 solved, 29659 unsolved
Search for dead transitions found 0 dead transitions in 403133ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 403624 ms. Remains : 8697/8697 places, 29668/29668 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8, 8, 7, 8, 8, 8] Max Struct:[11, 11, 11, 11, 11, 11]
Starting property specific reduction for VehicularWifi-COL-none-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[11]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[11]
[2025-06-06 08:45:33] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:45:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[11]
RANDOM walk for 10000 steps (2 resets) in 271 ms. (36 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 32 ms. (303 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[11]
[2025-06-06 08:45:34] [INFO ] Flow matrix only has 17272 transitions (discarded 12396 similar events)
[2025-06-06 08:45:34] [INFO ] Invariant cache hit.
[2025-06-06 08:45:34] [INFO ] [Real]Absence check using 6 positive place invariants in 141 ms returned sat
[2025-06-06 08:45:34] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 42 ms returned sat
[2025-06-06 08:45:39] [INFO ] [Real]Absence check using state equation in 4124 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[11]
Support contains 33 out of 8697 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8697/8697 places, 29668/29668 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 14 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 8689 transition count 29660
Free-agglomeration rule (complex) applied 24 times.
Iterating global reduction 0 with 24 rules applied. Total rules applied 40 place count 8689 transition count 29685
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 64 place count 8665 transition count 29685
Partial Free-agglomeration rule applied 14 times.
Drop transitions (Partial Free agglomeration) removed 14 transitions
Iterating global reduction 1 with 14 rules applied. Total rules applied 78 place count 8665 transition count 29685
Applied a total of 78 rules in 3906 ms. Remains 8665 /8697 variables (removed 32) and now considering 29685/29668 (removed -17) transitions.
Running 29676 sub problems to find dead transitions.
[2025-06-06 08:45:43] [INFO ] Flow matrix only has 17275 transitions (discarded 12410 similar events)
// Phase 1: matrix 17275 rows 8665 cols
[2025-06-06 08:45:43] [INFO ] Computed 8 invariants in 572 ms
[2025-06-06 08:45:44] [INFO ] State equation strengthened by 8463 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8664 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29676 unsolved
SMT process timed out in 365687ms, After SMT, problems are : Problem set: 0 solved, 29676 unsolved
Search for dead transitions found 0 dead transitions in 365926ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369877 ms. Remains : 8665/8697 places, 29685/29668 transitions.
[2025-06-06 08:51:49] [INFO ] Flow matrix only has 17275 transitions (discarded 12410 similar events)
[2025-06-06 08:51:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[11]
RANDOM walk for 1000000 steps (2 resets) in 27426 ms. (36 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 3621 ms. (276 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[11]
[2025-06-06 08:52:20] [INFO ] Flow matrix only has 17275 transitions (discarded 12410 similar events)
[2025-06-06 08:52:20] [INFO ] Invariant cache hit.
[2025-06-06 08:52:21] [INFO ] [Real]Absence check using 6 positive place invariants in 121 ms returned sat
[2025-06-06 08:52:21] [INFO ] [Real]Absence check using 6 positive and 2 generalized place invariants in 74 ms returned sat
[2025-06-06 08:52:37] [INFO ] [Real]Absence check using state equation in 16384 ms returned sat
[2025-06-06 08:52:37] [INFO ] State equation strengthened by 8463 read => feed constraints.
[2025-06-06 08:52:42] [INFO ] SMT solver returned unknown. Retrying;

BK_STOP 1749199964013

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="VehicularWifi-COL-none"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 gold2024"
echo " Input is VehicularWifi-COL-none, 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 r251-tall-174915605100115"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/VehicularWifi-COL-none.tgz
mv VehicularWifi-COL-none 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 ;