Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r195-tall-174889278300093.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 gold2024
Input is SafeBus-COL-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r195-tall-174889278300093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 42K 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 SafeBus-COL-20-UpperBounds-00
FORMULA_NAME SafeBus-COL-20-UpperBounds-01
FORMULA_NAME SafeBus-COL-20-UpperBounds-02
FORMULA_NAME SafeBus-COL-20-UpperBounds-03
FORMULA_NAME SafeBus-COL-20-UpperBounds-04
FORMULA_NAME SafeBus-COL-20-UpperBounds-05
FORMULA_NAME SafeBus-COL-20-UpperBounds-06
FORMULA_NAME SafeBus-COL-20-UpperBounds-07
FORMULA_NAME SafeBus-COL-20-UpperBounds-08
FORMULA_NAME SafeBus-COL-20-UpperBounds-09
FORMULA_NAME SafeBus-COL-20-UpperBounds-10
FORMULA_NAME SafeBus-COL-20-UpperBounds-11
FORMULA_NAME SafeBus-COL-20-UpperBounds-12
FORMULA_NAME SafeBus-COL-20-UpperBounds-13
FORMULA_NAME SafeBus-COL-20-UpperBounds-14
FORMULA_NAME SafeBus-COL-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748952654130

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-COL-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202405141337
[2025-06-03 12:10:55] [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 12:10:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 12:10:55] [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 12:10:55] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 12:10:56] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 640 ms
[2025-06-03 12:10:56] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2025-06-03 12:10:56] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 28 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
[2025-06-03 12:10:56] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 18 ms.
[2025-06-03 12:10:56] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
// Phase 1: matrix 14 rows 17 cols
[2025-06-03 12:10:56] [INFO ] Computed 7 invariants in 6 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 1, 1, 0, 0, 20, 0, 0, 0, 1, 1, 1, 20] Max Struct:[20, 1, 3, 20, 1, 1, 5, 20, 20, 1, 20, 1, 1, 1, 1, 20]
FORMULA SafeBus-COL-20-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-08 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA SafeBus-COL-20-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2025-06-03 12:10:56] [INFO ] Invariant cache hit.
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive place invariants in 6 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 5 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-03 12:10:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 12:10:56] [INFO ] [Real]Added 3 Read/Feed constraints in 2 ms returned sat
[2025-06-03 12:10:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2025-06-03 12:10:56] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 21 ms.
[2025-06-03 12:10:56] [INFO ] Added : 0 causal constraints over 0 iterations in 46 ms. Result :sat
Minimization took 8 ms.
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:56] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 4 ms.
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 12:10:56] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 12:10:56] [INFO ] Added : 8 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:56] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 2 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 12:10:57] [INFO ] Added : 6 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 12:10:57] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 72 ms.
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 6 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:57] [INFO ] Added : 6 causal constraints over 2 iterations in 16 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:57] [INFO ] Added : 8 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 12:10:57] [INFO ] Added : 8 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using 4 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Real]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 12:10:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using 4 positive and 3 generalized place invariants in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 12:10:57] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 12:10:57] [INFO ] Computed and/alt/rep : 13/32/13 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 12:10:57] [INFO ] Added : 12 causal constraints over 5 iterations in 12 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 3, 20, 5, 20, 1, 20, 1]
Domain [It(20), It(20)] of place AMC breaks symmetries in sort It
[2025-06-03 12:10:57] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 214 ms.
[2025-06-03 12:10:57] [INFO ] Unfolded 9 HLPN properties in 0 ms.
Deduced a syphon composed of 20 places in 25 ms
Reduce places removed 40 places and 40 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[20, 1, 3, 20, 5, 20, 1, 20, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 3, 20, 5, 20, 1, 20, 1]
[2025-06-03 12:10:57] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2025-06-03 12:10:58] [INFO ] Computed 85 invariants in 186 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 3, 20, 5, 20, 1, 20, 1]
RANDOM walk for 10000 steps (2 resets) in 485 ms. (20 steps per ms)
FORMULA SafeBus-COL-20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SafeBus-COL-20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SafeBus-COL-20-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SafeBus-COL-20-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 347 ms. (143 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 19, 1, 19, 7] Max Struct:[3, 20, 5, 20, 20]
[2025-06-03 12:10:58] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:10:58] [INFO ] Invariant cache hit.
[2025-06-03 12:10:59] [INFO ] [Real]Absence check using 41 positive place invariants in 23 ms returned sat
[2025-06-03 12:10:59] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 23 ms returned unsat
[2025-06-03 12:10:59] [INFO ] [Real]Absence check using 41 positive place invariants in 23 ms returned sat
[2025-06-03 12:10:59] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 35 ms returned sat
[2025-06-03 12:11:00] [INFO ] [Real]Absence check using state equation in 1018 ms returned sat
[2025-06-03 12:11:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:11:00] [INFO ] [Nat]Absence check using 41 positive place invariants in 18 ms returned sat
[2025-06-03 12:11:00] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 33 ms returned sat
[2025-06-03 12:11:02] [INFO ] [Nat]Absence check using state equation in 1383 ms returned sat
[2025-06-03 12:11:02] [INFO ] State equation strengthened by 421 read => feed constraints.
[2025-06-03 12:11:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:11:03] [INFO ] [Nat]Added 421 Read/Feed constraints in 1141 ms returned unknown
[2025-06-03 12:11:03] [INFO ] [Real]Absence check using 41 positive place invariants in 17 ms returned sat
[2025-06-03 12:11:03] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 21 ms returned unsat
[2025-06-03 12:11:03] [INFO ] [Real]Absence check using 41 positive place invariants in 19 ms returned sat
[2025-06-03 12:11:03] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 28 ms returned sat
[2025-06-03 12:11:04] [INFO ] [Real]Absence check using state equation in 1204 ms returned sat
[2025-06-03 12:11:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:11:04] [INFO ] [Nat]Absence check using 41 positive place invariants in 21 ms returned sat
[2025-06-03 12:11:05] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 28 ms returned sat
[2025-06-03 12:11:06] [INFO ] [Nat]Absence check using state equation in 1237 ms returned sat
[2025-06-03 12:11:06] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:11:07] [INFO ] [Nat]Added 421 Read/Feed constraints in 1179 ms returned unknown
[2025-06-03 12:11:07] [INFO ] [Real]Absence check using 41 positive place invariants in 17 ms returned sat
[2025-06-03 12:11:07] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 36 ms returned sat
[2025-06-03 12:11:08] [INFO ] [Real]Absence check using state equation in 741 ms returned sat
[2025-06-03 12:11:08] [INFO ] [Real]Added 421 Read/Feed constraints in 530 ms returned sat
[2025-06-03 12:11:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:11:09] [INFO ] [Nat]Absence check using 41 positive place invariants in 18 ms returned sat
[2025-06-03 12:11:09] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 28 ms returned sat
[2025-06-03 12:11:09] [INFO ] [Nat]Absence check using state equation in 761 ms returned sat
[2025-06-03 12:11:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:11:11] [INFO ] [Nat]Added 421 Read/Feed constraints in 1155 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 19, 1, 19, 7] Max Struct:[1, 20, 1, 20, 20]
FORMULA SafeBus-COL-20-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA SafeBus-COL-20-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 19, 7] Max Struct:[20, 20, 20]
Support contains 60 out of 1006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 5374 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5388 ms. Remains : 1006/1006 places, 10461/10461 transitions.
[2025-06-03 12:11:16] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:11:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[19, 19, 7] Max Struct:[20, 20, 20]
RANDOM walk for 1000000 steps (2 resets) in 25612 ms. (39 steps per ms)
BEST_FIRST walk for 2810454 steps (6 resets) in 12668 ms. (221 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
[2025-06-03 12:11:54] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:11:54] [INFO ] Invariant cache hit.
[2025-06-03 12:11:54] [INFO ] [Real]Absence check using 41 positive place invariants in 17 ms returned sat
[2025-06-03 12:11:54] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 40 ms returned sat
[2025-06-03 12:11:55] [INFO ] [Real]Absence check using state equation in 966 ms returned sat
[2025-06-03 12:11:55] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:11:56] [INFO ] [Nat]Absence check using 41 positive place invariants in 17 ms returned sat
[2025-06-03 12:11:56] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 33 ms returned sat
[2025-06-03 12:11:57] [INFO ] [Nat]Absence check using state equation in 1367 ms returned sat
[2025-06-03 12:11:57] [INFO ] State equation strengthened by 421 read => feed constraints.
[2025-06-03 12:12:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:12:06] [INFO ] [Nat]Added 421 Read/Feed constraints in 9219 ms returned unknown
[2025-06-03 12:12:06] [INFO ] [Real]Absence check using 41 positive place invariants in 18 ms returned sat
[2025-06-03 12:12:06] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 28 ms returned sat
[2025-06-03 12:12:08] [INFO ] [Real]Absence check using state equation in 1221 ms returned sat
[2025-06-03 12:12:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:12:08] [INFO ] [Nat]Absence check using 41 positive place invariants in 19 ms returned sat
[2025-06-03 12:12:08] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 29 ms returned sat
[2025-06-03 12:12:09] [INFO ] [Nat]Absence check using state equation in 1239 ms returned sat
[2025-06-03 12:12:14] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:12:18] [INFO ] [Nat]Added 421 Read/Feed constraints in 9166 ms returned unknown
[2025-06-03 12:12:18] [INFO ] [Real]Absence check using 41 positive place invariants in 17 ms returned sat
[2025-06-03 12:12:18] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 36 ms returned sat
[2025-06-03 12:12:19] [INFO ] [Real]Absence check using state equation in 888 ms returned sat
[2025-06-03 12:12:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:12:20] [INFO ] [Nat]Absence check using 41 positive place invariants in 18 ms returned sat
[2025-06-03 12:12:20] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 50 ms returned sat
[2025-06-03 12:12:21] [INFO ] [Nat]Absence check using state equation in 1180 ms returned sat
[2025-06-03 12:12:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:12:27] [INFO ] [Nat]Added 421 Read/Feed constraints in 6217 ms returned sat
[2025-06-03 12:12:28] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2422 transitions) in 598 ms.
[2025-06-03 12:12:28] [INFO ] Added : 0 causal constraints over 0 iterations in 825 ms. Result :sat
Minimization took 6420 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
Support contains 60 out of 1006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 5164 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5165 ms. Remains : 1006/1006 places, 10461/10461 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 4902 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2025-06-03 12:12:44] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:12:44] [INFO ] Invariant cache hit.
[2025-06-03 12:12:47] [INFO ] Implicit Places using invariants in 3029 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3053 ms to find 20 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 986/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 5008 ms. Remains 986 /986 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 12967 ms. Remains : 986/1006 places, 10461/10461 transitions.
[2025-06-03 12:12:53] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 986 cols
[2025-06-03 12:12:53] [INFO ] Computed 65 invariants in 41 ms
Current structural bounds on expressions (after invariants) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
RANDOM walk for 1000000 steps (2 resets) in 25299 ms. (39 steps per ms)
BEST_FIRST walk for 2809458 steps (6 resets) in 12605 ms. (222 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
[2025-06-03 12:13:30] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:13:31] [INFO ] Invariant cache hit.
[2025-06-03 12:13:31] [INFO ] [Real]Absence check using 24 positive place invariants in 19 ms returned sat
[2025-06-03 12:13:31] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 28 ms returned sat
[2025-06-03 12:13:32] [INFO ] [Real]Absence check using state equation in 839 ms returned sat
[2025-06-03 12:13:32] [INFO ] State equation strengthened by 421 read => feed constraints.
[2025-06-03 12:13:32] [INFO ] [Real]Added 421 Read/Feed constraints in 355 ms returned sat
[2025-06-03 12:13:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:13:32] [INFO ] [Nat]Absence check using 24 positive place invariants in 15 ms returned sat
[2025-06-03 12:13:32] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 21 ms returned sat
[2025-06-03 12:13:33] [INFO ] [Nat]Absence check using state equation in 961 ms returned sat
[2025-06-03 12:13:37] [INFO ] [Nat]Added 421 Read/Feed constraints in 3970 ms returned sat
[2025-06-03 12:13:38] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2422 transitions) in 601 ms.
[2025-06-03 12:13:38] [INFO ] Added : 0 causal constraints over 0 iterations in 813 ms. Result :sat
Minimization took 5775 ms.
[2025-06-03 12:13:44] [INFO ] [Real]Absence check using 24 positive place invariants in 15 ms returned sat
[2025-06-03 12:13:44] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 27 ms returned sat
[2025-06-03 12:13:45] [INFO ] [Real]Absence check using state equation in 811 ms returned sat
[2025-06-03 12:13:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:13:45] [INFO ] [Nat]Absence check using 24 positive place invariants in 19 ms returned sat
[2025-06-03 12:13:45] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 21 ms returned sat
[2025-06-03 12:13:46] [INFO ] [Nat]Absence check using state equation in 890 ms returned sat
[2025-06-03 12:13:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-03 12:13:52] [INFO ] [Nat]Added 421 Read/Feed constraints in 5978 ms returned sat
[2025-06-03 12:13:52] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2422 transitions) in 493 ms.
[2025-06-03 12:13:53] [INFO ] Added : 0 causal constraints over 0 iterations in 666 ms. Result :sat
Minimization took 5667 ms.
[2025-06-03 12:13:58] [INFO ] [Real]Absence check using 24 positive place invariants in 17 ms returned sat
[2025-06-03 12:13:58] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 21 ms returned sat
[2025-06-03 12:13:59] [INFO ] [Real]Absence check using state equation in 742 ms returned sat
[2025-06-03 12:13:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 12:13:59] [INFO ] [Nat]Absence check using 24 positive place invariants in 17 ms returned sat
[2025-06-03 12:13:59] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 19 ms returned sat
[2025-06-03 12:14:00] [INFO ] [Nat]Absence check using state equation in 656 ms returned sat
[2025-06-03 12:14:03] [INFO ] [Nat]Added 421 Read/Feed constraints in 3326 ms returned sat
[2025-06-03 12:14:04] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2422 transitions) in 369 ms.
[2025-06-03 12:14:04] [INFO ] Added : 0 causal constraints over 0 iterations in 561 ms. Result :sat
Minimization took 5666 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19, 19, 13] Max Struct:[20, 20, 20]
Support contains 60 out of 986 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 986/986 places, 10461/10461 transitions.
Applied a total of 0 rules in 4651 ms. Remains 986 /986 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4651 ms. Remains : 986/986 places, 10461/10461 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 986/986 places, 10461/10461 transitions.
Applied a total of 0 rules in 4621 ms. Remains 986 /986 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2025-06-03 12:14:19] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:14:19] [INFO ] Invariant cache hit.
[2025-06-03 12:14:22] [INFO ] Implicit Places using invariants in 2530 ms returned []
Implicit Place search using SMT only with invariants took 2541 ms to find 0 implicit places.
Running 10441 sub problems to find dead transitions.
[2025-06-03 12:14:22] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2025-06-03 12:14:22] [INFO ] Invariant cache hit.
[2025-06-03 12:14:22] [INFO ] State equation strengthened by 421 read => feed constraints.

BK_STOP 1748952926530

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SafeBus-COL-20"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is SafeBus-COL-20, 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 r195-tall-174889278300093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-20.tgz
mv SafeBus-COL-20 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 ;