Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881253700285.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 PolyORBLF-COL-S02J04T10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881253700285
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K 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 4.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 187K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K 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 3.9K 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 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 154K 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 PolyORBLF-COL-S02J04T10-UpperBounds-00
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-01
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-02
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-03
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-04
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-05
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-06
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-07
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-08
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-09
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-10
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-11
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-12
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-13
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-14
FORMULA_NAME PolyORBLF-COL-S02J04T10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748911864884

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S02J04T10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2025-06-03 00:51:06] [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]
[2025-06-03 00:51:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 00:51:06] [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.
[2025-06-03 00:51:06] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 00:51:06] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 618 ms
[2025-06-03 00:51:06] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 752 PT places and 1664.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
[2025-06-03 00:51:06] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 5 ms.
[2025-06-03 00:51:06] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Normalized transition count is 64 out of 65 initially.
// Phase 1: matrix 64 rows 81 cols
[2025-06-03 00:51:06] [INFO ] Computed 26 invariants in 12 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 5, 0, 0, 0, 0, 0, 1, 0, 0, 1, 2, 0, 0] Max Struct:[3, 10, 10, 5, 2, 10, 2, 2, 2, 1, 1, 3, 10, 2, 10, 1]
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-13 2 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-03 5 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-03 00:51:06] [INFO ] Flow matrix only has 64 transitions (discarded 1 similar events)
// Phase 1: matrix 64 rows 81 cols
[2025-06-03 00:51:06] [INFO ] Computed 26 invariants in 6 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using 11 positive place invariants in 11 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2025-06-03 00:51:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-03 00:51:07] [INFO ] [Real]Added 8 Read/Feed constraints in 5 ms returned sat
[2025-06-03 00:51:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 4 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Added 8 Read/Feed constraints in 7 ms returned sat
[2025-06-03 00:51:07] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-03 00:51:07] [INFO ] Added : 7 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 4 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 00:51:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 4 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-06-03 00:51:07] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:07] [INFO ] Deduced a trap composed of 30 places in 53 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:07] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:08] [INFO ] Deduced a trap composed of 29 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:08] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 6 ms to minimize.
[2025-06-03 00:51:08] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 232 ms
[2025-06-03 00:51:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 00:51:08] [INFO ] Added : 62 causal constraints over 14 iterations in 144 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-03 00:51:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:08] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 6 ms to minimize.
[2025-06-03 00:51:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2025-06-03 00:51:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-03 00:51:08] [INFO ] Added : 25 causal constraints over 5 iterations in 53 ms. Result :sat
Minimization took 59 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 17 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 00:51:08] [INFO ] Added : 3 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 4 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-03 00:51:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 00:51:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:08] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 6 ms to minimize.
[2025-06-03 00:51:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2025-06-03 00:51:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 00:51:08] [INFO ] Added : 26 causal constraints over 6 iterations in 51 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 00:51:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2025-06-03 00:51:09] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 00:51:09] [INFO ] Added : 6 causal constraints over 2 iterations in 19 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Added 8 Read/Feed constraints in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 2 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2025-06-03 00:51:09] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 00:51:09] [INFO ] Added : 8 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:09] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 3 ms to minimize.
[2025-06-03 00:51:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2025-06-03 00:51:09] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 00:51:09] [INFO ] Added : 53 causal constraints over 11 iterations in 125 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 00:51:09] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2025-06-03 00:51:09] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 00:51:10] [INFO ] Added : 54 causal constraints over 11 iterations in 92 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2025-06-03 00:51:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 00:51:10] [INFO ] Added : 7 causal constraints over 2 iterations in 29 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 00:51:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2025-06-03 00:51:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 00:51:10] [INFO ] Added : 10 causal constraints over 2 iterations in 20 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 00:51:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:10] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 4 ms to minimize.
[2025-06-03 00:51:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2025-06-03 00:51:10] [INFO ] Added : 59 causal constraints over 13 iterations in 159 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-03 00:51:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 4 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 00:51:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:10] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 21 ms to minimize.
[2025-06-03 00:51:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2025-06-03 00:51:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:11] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 5 ms to minimize.
[2025-06-03 00:51:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2025-06-03 00:51:11] [INFO ] Added : 54 causal constraints over 11 iterations in 389 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Max Struct:[3, 10, 10, 2, 10, 2, 2, 2, 1, 3, 10, 10, 1]
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
[2025-06-03 00:51:11] [INFO ] Unfolded HLPN to a Petri net with 752 places and 1572 transitions 7262 arcs in 42 ms.
[2025-06-03 00:51:11] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Ensure Unique test removed 160 transitions
Reduce redundant transitions removed 160 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Max Struct:[3, 10, 10, 2, 10, 2, 2, 2, 1, 3, 10, 10, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Max Struct:[3, 10, 10, 2, 10, 2, 2, 2, 1, 3, 10, 10, 1]
[2025-06-03 00:51:11] [INFO ] Flow matrix only has 1392 transitions (discarded 20 similar events)
// Phase 1: matrix 1392 rows 752 cols
[2025-06-03 00:51:11] [INFO ] Computed 54 invariants in 56 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0] Max Struct:[3, 10, 10, 2, 10, 2, 2, 2, 1, 3, 10, 10, 1]
RANDOM walk for 10000 steps (3 resets) in 94 ms. (105 steps per ms)
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-08 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-06 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70004 steps (18 resets) in 264 ms. (264 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 7, 1] Max Struct:[3, 10, 10, 10, 3, 10, 10]
[2025-06-03 00:51:11] [INFO ] Flow matrix only has 1392 transitions (discarded 20 similar events)
[2025-06-03 00:51:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:11] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:11] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 5 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 6 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive place invariants in 11 ms returned sat
[2025-06-03 00:51:12] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 20 ms returned sat
[2025-06-03 00:51:13] [INFO ] [Real]Absence check using state equation in 649 ms returned sat
[2025-06-03 00:51:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:13] [INFO ] [Nat]Absence check using 15 positive place invariants in 12 ms returned sat
[2025-06-03 00:51:13] [INFO ] [Nat]Absence check using 15 positive and 39 generalized place invariants in 20 ms returned sat
[2025-06-03 00:51:14] [INFO ] [Nat]Absence check using state equation in 626 ms returned sat
[2025-06-03 00:51:14] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:51:14] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 00:51:14] [INFO ] [Nat]Added 120 Read/Feed constraints in 924 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:15] [INFO ] Deduced a trap composed of 217 places in 436 ms of which 140 ms to minimize.
[2025-06-03 00:51:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 555 ms
[2025-06-03 00:51:15] [INFO ] Computed and/alt/rep : 720/1388/710 causal constraints (skipped 680 transitions) in 94 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:17] [INFO ] Deduced a trap composed of 57 places in 214 ms of which 36 ms to minimize.
[2025-06-03 00:51:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 339 ms
[2025-06-03 00:51:17] [INFO ] Added : 53 causal constraints over 11 iterations in 1849 ms. Result :sat
Minimization took 555 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 00:51:17] [INFO ] [Real]Absence check using 15 positive place invariants in 11 ms returned sat
[2025-06-03 00:51:18] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 20 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 7, 1] Max Struct:[1, 1, 1, 1, 1, 10, 1]
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[10]
Support contains 1 out of 752 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 752/752 places, 1412/1412 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 92 rules applied. Total rules applied 92 place count 750 transition count 1322
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 182 place count 660 transition count 1322
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 182 place count 660 transition count 1242
Deduced a syphon composed of 80 places in 2 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 342 place count 580 transition count 1242
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 502 place count 500 transition count 1162
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 2 with 20 rules applied. Total rules applied 522 place count 500 transition count 1142
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 542 place count 480 transition count 1142
Applied a total of 542 rules in 231 ms. Remains 480 /752 variables (removed 272) and now considering 1142/1412 (removed 270) transitions.
Running 1140 sub problems to find dead transitions.
[2025-06-03 00:51:18] [INFO ] Flow matrix only has 1122 transitions (discarded 20 similar events)
// Phase 1: matrix 1122 rows 480 cols
[2025-06-03 00:51:18] [INFO ] Computed 52 invariants in 43 ms
[2025-06-03 00:51:18] [INFO ] State equation strengthened by 120 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1140 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 38/50 constraints. Problems are: Problem set: 0 solved, 1140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 95 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 89 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:30] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:31] [INFO ] Deduced a trap composed of 163 places in 272 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:31] [INFO ] Deduced a trap composed of 173 places in 280 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:31] [INFO ] Deduced a trap composed of 173 places in 287 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:32] [INFO ] Deduced a trap composed of 172 places in 281 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:33] [INFO ] Deduced a trap composed of 37 places in 187 ms of which 28 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 478/1602 variables, and 65 constraints, problems are : Problem set: 0 solved, 1140 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 38/39 constraints, State Equation: 0/480 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1140/1080 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1140 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1140 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 38/50 constraints. Problems are: Problem set: 0 solved, 1140 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/478 variables, 15/65 constraints. Problems are: Problem set: 0 solved, 1140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:47] [INFO ] Deduced a trap composed of 23 places in 252 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:47] [INFO ] Deduced a trap composed of 153 places in 312 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:51:56] [INFO ] Deduced a trap composed of 270 places in 288 ms of which 80 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 478/1602 variables, and 68 constraints, problems are : Problem set: 0 solved, 1140 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 38/39 constraints, State Equation: 0/480 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 60/1080 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41627ms problems are : Problem set: 0 solved, 1140 unsolved
Search for dead transitions found 0 dead transitions in 41656ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41926 ms. Remains : 480/752 places, 1142/1412 transitions.
[2025-06-03 00:51:59] [INFO ] Flow matrix only has 1122 transitions (discarded 20 similar events)
[2025-06-03 00:51:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[10]
RANDOM walk for 1000000 steps (342 resets) in 3945 ms. (253 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1807 ms. (553 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[10]
[2025-06-03 00:52:05] [INFO ] Flow matrix only has 1122 transitions (discarded 20 similar events)
[2025-06-03 00:52:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 00:52:05] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2025-06-03 00:52:05] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 14 ms returned sat
[2025-06-03 00:52:06] [INFO ] [Real]Absence check using state equation in 390 ms returned sat
[2025-06-03 00:52:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 00:52:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2025-06-03 00:52:06] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 15 ms returned sat
[2025-06-03 00:52:06] [INFO ] [Nat]Absence check using state equation in 541 ms returned sat
[2025-06-03 00:52:06] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:52:07] [INFO ] [Nat]Added 120 Read/Feed constraints in 163 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:07] [INFO ] Deduced a trap composed of 163 places in 280 ms of which 68 ms to minimize.
[2025-06-03 00:52:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 356 ms
[2025-06-03 00:52:07] [INFO ] Computed and/alt/rep : 370/828/360 causal constraints (skipped 760 transitions) in 75 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:08] [INFO ] Deduced a trap composed of 37 places in 137 ms of which 22 ms to minimize.
[2025-06-03 00:52:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 228 ms
[2025-06-03 00:52:08] [INFO ] Added : 29 causal constraints over 6 iterations in 949 ms. Result :sat
Minimization took 4502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[10]
Support contains 1 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 1142/1142 transitions.
Applied a total of 0 rules in 34 ms. Remains 480 /480 variables (removed 0) and now considering 1142/1142 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 480/480 places, 1142/1142 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 1142/1142 transitions.
Applied a total of 0 rules in 27 ms. Remains 480 /480 variables (removed 0) and now considering 1142/1142 (removed 0) transitions.
[2025-06-03 00:52:12] [INFO ] Flow matrix only has 1122 transitions (discarded 20 similar events)
[2025-06-03 00:52:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:52:13] [INFO ] Implicit Places using invariants in 732 ms returned [424, 425, 426, 427, 428, 429, 430, 431, 432, 433]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 736 ms to find 10 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 470/480 places, 1142/1142 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 460 transition count 1132
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 460 transition count 1132
Applied a total of 20 rules in 43 ms. Remains 460 /470 variables (removed 10) and now considering 1132/1142 (removed 10) transitions.
[2025-06-03 00:52:13] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
// Phase 1: matrix 1112 rows 460 cols
[2025-06-03 00:52:13] [INFO ] Computed 42 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:52:14] [INFO ] Implicit Places using invariants in 727 ms returned []
[2025-06-03 00:52:14] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:52:14] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:52:23] [INFO ] Implicit Places using invariants and state equation in 9198 ms returned []
Implicit Place search using SMT with State Equation took 9931 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 460/480 places, 1132/1142 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 10737 ms. Remains : 460/480 places, 1132/1142 transitions.
[2025-06-03 00:52:23] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[10]
RANDOM walk for 1000000 steps (370 resets) in 3604 ms. (277 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 1630 ms. (613 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[10]
[2025-06-03 00:52:28] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 00:52:28] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2025-06-03 00:52:28] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 13 ms returned sat
[2025-06-03 00:52:29] [INFO ] [Real]Absence check using state equation in 475 ms returned sat
[2025-06-03 00:52:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 00:52:29] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2025-06-03 00:52:29] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 13 ms returned sat
[2025-06-03 00:52:29] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2025-06-03 00:52:29] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:52:30] [INFO ] [Nat]Added 120 Read/Feed constraints in 524 ms returned sat
[2025-06-03 00:52:30] [INFO ] Computed and/alt/rep : 360/808/350 causal constraints (skipped 760 transitions) in 54 ms.
[2025-06-03 00:52:31] [INFO ] Added : 24 causal constraints over 5 iterations in 768 ms. Result :sat
Minimization took 4503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[10]
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1132/1132 transitions.
Applied a total of 0 rules in 31 ms. Remains 460 /460 variables (removed 0) and now considering 1132/1132 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 460/460 places, 1132/1132 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1132/1132 transitions.
Applied a total of 0 rules in 19 ms. Remains 460 /460 variables (removed 0) and now considering 1132/1132 (removed 0) transitions.
[2025-06-03 00:52:35] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:52:36] [INFO ] Implicit Places using invariants in 656 ms returned []
[2025-06-03 00:52:36] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:52:36] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:52:45] [INFO ] Implicit Places using invariants and state equation in 9066 ms returned []
Implicit Place search using SMT with State Equation took 9727 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 00:52:45] [INFO ] Redundant transitions in 60 ms returned []
Running 1130 sub problems to find dead transitions.
[2025-06-03 00:52:45] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:52:45] [INFO ] Invariant cache hit.
[2025-06-03 00:52:45] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 96 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:56] [INFO ] Deduced a trap composed of 163 places in 273 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:57] [INFO ] Deduced a trap composed of 172 places in 279 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:52:58] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:00] [INFO ] Deduced a trap composed of 270 places in 273 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:06] [INFO ] Deduced a trap composed of 153 places in 289 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:06] [INFO ] Deduced a trap composed of 23 places in 221 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:06] [INFO ] Deduced a trap composed of 153 places in 297 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:07] [INFO ] Deduced a trap composed of 166 places in 290 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:07] [INFO ] Deduced a trap composed of 132 places in 268 ms of which 58 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:14] [INFO ] Deduced a trap composed of 37 places in 170 ms of which 26 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 458/1572 variables, and 59 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1130/1130 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 458/1572 variables, and 59 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1130 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61036ms problems are : Problem set: 0 solved, 1130 unsolved
Search for dead transitions found 0 dead transitions in 61039ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70855 ms. Remains : 460/460 places, 1132/1132 transitions.
RANDOM walk for 40000 steps (15 resets) in 883 ms. (45 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 280 ms. (142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
[2025-06-03 00:53:47] [INFO ] Flatten gal took : 384 ms
[2025-06-03 00:53:47] [INFO ] Flatten gal took : 191 ms
[2025-06-03 00:53:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3502653564268049681.gal : 69 ms
[2025-06-03 00:53:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2318284606175851520.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/ReachabilityCardinality3502653564268049681.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2318284606175851520.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2318284606175851520.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :8 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 33
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :33 after 43
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :43 after 50
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :50 after 308
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :308 after 449
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :449 after 810
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :810 after 1340
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1340 after 5522
Interrupted probabilistic random walk after 258751 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :1 out of 2
Probabilistic random walk after 258751 steps, saw 146049 distinct states, run finished after 3003 ms. (steps per millisecond=86 ) properties seen :1
[2025-06-03 00:53:50] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:53:50] [INFO ] Invariant cache hit.
[2025-06-03 00:53:50] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 188/374 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/383 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 74/457 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:50] [INFO ] Deduced a trap composed of 38 places in 154 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:50] [INFO ] Deduced a trap composed of 38 places in 137 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:50] [INFO ] Deduced a trap composed of 38 places in 140 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:51] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:51] [INFO ] Deduced a trap composed of 38 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:51] [INFO ] Deduced a trap composed of 38 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:51] [INFO ] Deduced a trap composed of 38 places in 62 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/457 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/457 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/458 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/458 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1112/1570 variables, 458/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1570 variables, 120/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1570 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/1572 variables, 2/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/1572 variables, 1/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1572 variables, 0/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1572 variables, 0/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1572/1572 variables, and 629 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1745 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 460/460 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 188/374 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/383 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 74/457 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/457 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:52] [INFO ] Deduced a trap composed of 38 places in 247 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:52] [INFO ] Deduced a trap composed of 60 places in 263 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:53:52] [INFO ] Deduced a trap composed of 38 places in 53 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/457 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/457 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/458 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/458 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1112/1570 variables, 458/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1570 variables, 120/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1570 variables, 1/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5522 after 18522
At refinement iteration 18 (INCLUDED_ONLY) 0/1570 variables, 0/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/1572 variables, 2/632 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1572 variables, 1/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1572 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1572 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1572/1572 variables, and 633 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2988 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 460/460 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4763ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 159 ms.
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1132/1132 transitions.
Applied a total of 0 rules in 21 ms. Remains 460 /460 variables (removed 0) and now considering 1132/1132 (removed 0) transitions.
Running 1130 sub problems to find dead transitions.
[2025-06-03 00:53:55] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:53:55] [INFO ] Invariant cache hit.
[2025-06-03 00:53:55] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :18522 after 27822
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:05] [INFO ] Deduced a trap composed of 38 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:05] [INFO ] Deduced a trap composed of 38 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:05] [INFO ] Deduced a trap composed of 38 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:05] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:05] [INFO ] Deduced a trap composed of 38 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 163 places in 257 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:06] [INFO ] Deduced a trap composed of 172 places in 267 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:07] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:10] [INFO ] Deduced a trap composed of 270 places in 256 ms of which 60 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :27822 after 36812
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 458/1572 variables, and 53 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1130/1130 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 13/53 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 458/1572 variables, and 53 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1130 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41224ms problems are : Problem set: 0 solved, 1130 unsolved
Search for dead transitions found 0 dead transitions in 41227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41253 ms. Remains : 460/460 places, 1132/1132 transitions.
RANDOM walk for 40000 steps (16 resets) in 260 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2025-06-03 00:54:37] [INFO ] Flatten gal took : 122 ms
[2025-06-03 00:54:37] [INFO ] Applying decomposition
[2025-06-03 00:54:37] [INFO ] Flatten gal took : 106 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15966452504646794987.txt' '-o' '/tmp/graph15966452504646794987.bin' '-w' '/tmp/graph15966452504646794987.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15966452504646794987.bin' '-l' '-1' '-v' '-w' '/tmp/graph15966452504646794987.weights' '-q' '0' '-e' '0.001'
[2025-06-03 00:54:38] [INFO ] Decomposing Gal with order
[2025-06-03 00:54:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 00:54:38] [INFO ] Removed a total of 1166 redundant transitions.
[2025-06-03 00:54:39] [INFO ] Flatten gal took : 531 ms
[2025-06-03 00:54:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 545 labels/synchronizations in 87 ms.
[2025-06-03 00:54:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17245536189036022591.gal : 40 ms
[2025-06-03 00:54:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16083046521155155098.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17245536189036022591.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16083046521155155098.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16083046521155155098.prop.
Interrupted probabilistic random walk after 309539 steps, run timeout after 3007 ms. (steps per millisecond=102 ) properties seen :0 out of 1
Probabilistic random walk after 309539 steps, saw 173708 distinct states, run finished after 3008 ms. (steps per millisecond=102 ) properties seen :0
[2025-06-03 00:54:39] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:54:39] [INFO ] Invariant cache hit.
[2025-06-03 00:54:39] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 20
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :20 after 20
At refinement iteration 5 (OVERLAPS) 188/374 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :20 after 20
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/383 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :20 after 50
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :50 after 99
At refinement iteration 9 (OVERLAPS) 74/457 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :99 after 660
[2025-06-03 00:54:39] [INFO ] Deduced a trap composed of 38 places in 228 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :660 after 2490
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 508 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 142 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2490 after 4426
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 130 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:40] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/457 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/457 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/458 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/458 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1112/1570 variables, 458/506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1570 variables, 120/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1570 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/1572 variables, 2/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/1572 variables, 1/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1572 variables, 0/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1572 variables, 0/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1572/1572 variables, and 629 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2169 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 460/460 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/186 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 188/374 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/383 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 74/457 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/457 variables, 7/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4426 after 9561
[2025-06-03 00:54:41] [INFO ] Deduced a trap composed of 38 places in 240 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:42] [INFO ] Deduced a trap composed of 60 places in 238 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:54:42] [INFO ] Deduced a trap composed of 38 places in 137 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/457 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/457 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/458 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/458 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1112/1570 variables, 458/509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1570 variables, 120/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1570 variables, 1/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1570 variables, 0/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/1572 variables, 2/632 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1572 variables, 1/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1572 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1572 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1572/1572 variables, and 633 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3023 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 460/460 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5217ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 151 ms.
Support contains 1 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1132/1132 transitions.
Applied a total of 0 rules in 20 ms. Remains 460 /460 variables (removed 0) and now considering 1132/1132 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 460/460 places, 1132/1132 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1132/1132 transitions.
Applied a total of 0 rules in 17 ms. Remains 460 /460 variables (removed 0) and now considering 1132/1132 (removed 0) transitions.
[2025-06-03 00:54:44] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:54:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :9561 after 30108
[2025-06-03 00:54:45] [INFO ] Implicit Places using invariants in 798 ms returned []
[2025-06-03 00:54:45] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:54:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 00:54:46] [INFO ] State equation strengthened by 120 read => feed constraints.
[2025-06-03 00:54:54] [INFO ] Implicit Places using invariants and state equation in 9105 ms returned []
Implicit Place search using SMT with State Equation took 9916 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 00:54:54] [INFO ] Redundant transitions in 9 ms returned []
Running 1130 sub problems to find dead transitions.
[2025-06-03 00:54:54] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:54:54] [INFO ] Invariant cache hit.
[2025-06-03 00:54:54] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 96 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 78 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:05] [INFO ] Deduced a trap composed of 38 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:06] [INFO ] Deduced a trap composed of 163 places in 287 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:06] [INFO ] Deduced a trap composed of 172 places in 241 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:07] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:09] [INFO ] Deduced a trap composed of 270 places in 273 ms of which 63 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :30108 after 310877
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:16] [INFO ] Deduced a trap composed of 153 places in 270 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:16] [INFO ] Deduced a trap composed of 23 places in 239 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:16] [INFO ] Deduced a trap composed of 153 places in 290 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:17] [INFO ] Deduced a trap composed of 166 places in 318 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:18] [INFO ] Deduced a trap composed of 132 places in 259 ms of which 54 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 00:55:25] [INFO ] Deduced a trap composed of 37 places in 188 ms of which 26 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 458/1572 variables, and 59 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1130/1130 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1130 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/458 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/458 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 19/59 constraints. Problems are: Problem set: 0 solved, 1130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 458/1572 variables, and 59 constraints, problems are : Problem set: 0 solved, 1130 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 27/28 constraints, State Equation: 0/460 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1130 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61233ms problems are : Problem set: 0 solved, 1130 unsolved
Search for dead transitions found 0 dead transitions in 61236ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71189 ms. Remains : 460/460 places, 1132/1132 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[10]
Starting property specific reduction for PolyORBLF-COL-S02J04T10-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[10]
[2025-06-03 00:55:56] [INFO ] Flow matrix only has 1112 transitions (discarded 20 similar events)
[2025-06-03 00:55:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 10000 steps (3 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 18 ms. (526 steps per ms)
FORMULA PolyORBLF-COL-S02J04T10-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after 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 )
[2025-06-03 00:55:56] [INFO ] Flatten gal took : 46 ms
[2025-06-03 00:55:56] [INFO ] Flatten gal took : 45 ms
[2025-06-03 00:55:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3290274041546936400.gal : 9 ms
[2025-06-03 00:55:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12446851947321210017.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/ReachabilityCardinality3290274041546936400.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12446851947321210017.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
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:[]
Ending property specific reduction for PolyORBLF-COL-S02J04T10-UpperBounds-12 in 199 ms.
[2025-06-03 00:55:56] [INFO ] Flatten gal took : 47 ms
Total runtime 290226 ms.

BK_STOP 1748912156363

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PolyORBLF-COL-S02J04T10"
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 PolyORBLF-COL-S02J04T10, 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-174881253700285"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S02J04T10.tgz
mv PolyORBLF-COL-S02J04T10 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 ;