Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r082-smll-177946993500021.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DatabaseWithMutex-COL-10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993500021
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 8.3K Mar 5 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 5 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 14:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 5 14:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 5 14:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 5 14:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 5 14:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 27K Mar 3 18:30 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 DatabaseWithMutex-COL-10-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-COL-10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779490610250

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202604301425
[2026-05-22 22:56:51] [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]
[2026-05-22 22:56:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:56:52] [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.
[2026-05-22 22:56:52] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 22:56:53] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 860 ms
[2026-05-22 22:56:53] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 830 PT places and 800.0 transition bindings in 25 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Reduction of identical properties reduced properties to check from 16 to 9
[2026-05-22 22:56:53] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 7 ms.
[2026-05-22 22:56:53] [INFO ] Skeletonized 9 HLPN properties in 0 ms.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4004287291860450965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16876817373870393422.kers'
[2026-05-22 22:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4004287291860450965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16876817373870393422.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 8 rows 10 cols 20 entries
Finished phase 1 with 5 SingleSign rule and 2 generalized
[2026-05-22 22:56:53] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16876817373870393422.kers
Total runtime 2 ms.
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 10, 10, 10, 0, 0] Max Struct:[90, 90, 10, 90, 10, 10, 10, 10, 10]
FORMULA DatabaseWithMutex-COL-10-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-10-UpperBounds-09 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-10-UpperBounds-13 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA DatabaseWithMutex-COL-10-UpperBounds-08 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-22 22:56:53] [INFO ] Invariant cache hit.
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-22 22:56:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-22 22:56:53] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-22 22:56:53] [INFO ] Added : 6 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 9 ms.
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-22 22:56:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-22 22:56:53] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 22:56:53] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 13 ms.
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-22 22:56:53] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-22 22:56:53] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 5 ms.
[2026-05-22 22:56:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-22 22:56:53] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 22:56:53] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-22 22:56:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:53] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-22 22:56:54] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-22 22:56:54] [INFO ] Added : 5 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 5 ms.
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-22 22:56:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-22 22:56:54] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-22 22:56:54] [INFO ] Added : 4 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 8 ms returned sat
[2026-05-22 22:56:54] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-22 22:56:54] [INFO ] Computed and/alt/rep : 7/8/7 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-22 22:56:54] [INFO ] Added : 0 causal constraints over 0 iterations in 16 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[90, 90, 10, 90, 10, 10]
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2026-05-22 22:56:54] [INFO ] Unfolded HLPN to a Petri net with 830 places and 800 transitions 3800 arcs in 53 ms.
[2026-05-22 22:56:54] [INFO ] Unfolded 6 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[90, 90, 10, 90, 10, 10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[90, 90, 10, 90, 10, 10]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9453646814221536310.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8345080594336759814.kers'
[2026-05-22 22:56:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9453646814221536310.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8345080594336759814.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 800 rows 830 cols 3800 entries
Finished phase 1 with 600 SingleSign rule and 100 generalized
[2026-05-22 22:56:54] [INFO ] Computed 130 invariants in 7 ms
Computed 130 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-8345080594336759814.kers
Total runtime 9 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[90, 90, 10, 90, 10, 10]
RANDOM walk for 10000 steps (2 resets) in 234 ms. (42 steps per ms)
FORMULA DatabaseWithMutex-COL-10-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[56, 54, 8, 26] Max Struct:[90, 90, 10, 90]
[2026-05-22 22:56:54] [INFO ] Invariant cache hit.
[2026-05-22 22:56:55] [INFO ] [Real]Absence check using 39 positive place invariants in 74 ms returned sat
[2026-05-22 22:56:55] [INFO ] [Real]Absence check using 39 positive and 91 generalized place invariants in 95 ms returned sat
[2026-05-22 22:56:56] [INFO ] [Real]Absence check using state equation in 1077 ms returned sat
[2026-05-22 22:56:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:56:56] [INFO ] [Nat]Absence check using 39 positive place invariants in 37 ms returned sat
[2026-05-22 22:56:56] [INFO ] [Nat]Absence check using 39 positive and 91 generalized place invariants in 71 ms returned sat
[2026-05-22 22:56:57] [INFO ] [Nat]Absence check using state equation in 904 ms returned sat
[2026-05-22 22:56:57] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 82 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-22 22:57:01] [INFO ] [Real]Absence check using 39 positive place invariants in 56 ms returned sat
[2026-05-22 22:57:01] [INFO ] [Real]Absence check using 39 positive and 91 generalized place invariants in 100 ms returned sat
[2026-05-22 22:57:02] [INFO ] [Real]Absence check using state equation in 668 ms returned sat
[2026-05-22 22:57:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:57:02] [INFO ] [Nat]Absence check using 39 positive place invariants in 47 ms returned sat
[2026-05-22 22:57:02] [INFO ] [Nat]Absence check using 39 positive and 91 generalized place invariants in 105 ms returned sat
[2026-05-22 22:57:03] [INFO ] [Nat]Absence check using state equation in 575 ms returned sat
[2026-05-22 22:57:03] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 77 ms.
[2026-05-22 22:57:03] [INFO ] Added : 14 causal constraints over 3 iterations in 305 ms. Result :sat
Minimization took 577 ms.
[2026-05-22 22:57:04] [INFO ] [Real]Absence check using 39 positive place invariants in 40 ms returned sat
[2026-05-22 22:57:04] [INFO ] [Real]Absence check using 39 positive and 91 generalized place invariants in 38 ms returned sat
[2026-05-22 22:57:05] [INFO ] [Real]Absence check using state equation in 445 ms returned sat
[2026-05-22 22:57:05] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 159 ms.
[2026-05-22 22:57:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:57:05] [INFO ] [Nat]Absence check using 39 positive place invariants in 68 ms returned sat
[2026-05-22 22:57:05] [INFO ] [Nat]Absence check using 39 positive and 91 generalized place invariants in 55 ms returned sat
[2026-05-22 22:57:06] [INFO ] [Nat]Absence check using state equation in 610 ms returned sat
[2026-05-22 22:57:06] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 73 ms.
[2026-05-22 22:57:10] [INFO ] Added : 295 causal constraints over 59 iterations in 4070 ms. Result :unknown
[2026-05-22 22:57:10] [INFO ] [Real]Absence check using 39 positive place invariants in 34 ms returned sat
[2026-05-22 22:57:10] [INFO ] [Real]Absence check using 39 positive and 91 generalized place invariants in 42 ms returned sat
[2026-05-22 22:57:11] [INFO ] [Real]Absence check using state equation in 462 ms returned sat
[2026-05-22 22:57:11] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 64 ms.
[2026-05-22 22:57:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:57:12] [INFO ] [Nat]Absence check using 39 positive place invariants in 35 ms returned sat
[2026-05-22 22:57:12] [INFO ] [Nat]Absence check using 39 positive and 91 generalized place invariants in 41 ms returned sat
[2026-05-22 22:57:12] [INFO ] [Nat]Absence check using state equation in 449 ms returned sat
[2026-05-22 22:57:12] [INFO ] Computed and/alt/rep : 600/1400/600 causal constraints (skipped 100 transitions) in 61 ms.
[2026-05-22 22:57:15] [INFO ] Added : 181 causal constraints over 37 iterations in 3309 ms. Result :sat
Minimization took 577 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[56, 54, 8, 26] Max Struct:[90, 90, 10, 90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 54, 9, 27] Max Struct:[90, 90, 10, 90]
Support contains 400 out of 830 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 830/830 places, 800/800 transitions.
Free-agglomeration rule applied 100 times.
Iterating global reduction 0 with 100 rules applied. Total rules applied 100 place count 830 transition count 700
Reduce places removed 100 places and 0 transitions.
Iterating post reduction 0 with 100 rules applied. Total rules applied 200 place count 730 transition count 700
Free-agglomeration rule (complex) applied 200 times.
Iterating global reduction 1 with 200 rules applied. Total rules applied 400 place count 730 transition count 500
Reduce places removed 210 places and 0 transitions.
Iterating post reduction 1 with 210 rules applied. Total rules applied 610 place count 520 transition count 500
Applied a total of 610 rules in 261 ms. Remains 520 /830 variables (removed 310) and now considering 500/800 (removed 300) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 276 ms. Remains : 520/830 places, 500/800 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3611517826826731296.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9416855780341080918.kers'
[2026-05-22 22:57:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3611517826826731296.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9416855780341080918.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 500 rows 520 cols 3000 entries
Finished phase 1 with 300 SingleSign rule and 100 generalized
[2026-05-22 22:57:22] [INFO ] Computed 120 invariants in 5 ms
Computed 120 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-9416855780341080918.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 54, 9, 27] Max Struct:[90, 90, 10, 90]
RANDOM walk for 1000000 steps (2 resets) in 18846 ms. (53 steps per ms)
FORMULA DatabaseWithMutex-COL-10-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-15 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-02 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-07 90 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-00 90 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1607427 steps (4 resets) in 10002 ms. (160 steps per ms)
FORMULA DatabaseWithMutex-COL-10-UpperBounds-03 90 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-10 90 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-01 90 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[32] Max Struct:[90]
[2026-05-22 22:57:50] [INFO ] Invariant cache hit.
[2026-05-22 22:57:51] [INFO ] [Real]Absence check using 29 positive place invariants in 19 ms returned sat
[2026-05-22 22:57:51] [INFO ] [Real]Absence check using 29 positive and 91 generalized place invariants in 38 ms returned sat
[2026-05-22 22:57:51] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2026-05-22 22:57:51] [INFO ] Computed and/alt/rep : 300/1100/300 causal constraints (skipped 100 transitions) in 39 ms.
[2026-05-22 22:57:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 22:57:51] [INFO ] [Nat]Absence check using 29 positive place invariants in 20 ms returned sat
[2026-05-22 22:57:51] [INFO ] [Nat]Absence check using 29 positive and 91 generalized place invariants in 38 ms returned sat
[2026-05-22 22:57:52] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2026-05-22 22:57:52] [INFO ] Computed and/alt/rep : 300/1100/300 causal constraints (skipped 100 transitions) in 37 ms.
[2026-05-22 22:57:53] [INFO ] Added : 210 causal constraints over 42 iterations in 1778 ms. Result :sat
Minimization took 368 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[32] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[81] Max Struct:[90]
Support contains 100 out of 520 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 500/500 transitions.
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 100 Pre rules applied. Total rules applied 0 place count 520 transition count 400
Deduced a syphon composed of 100 places in 1 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 0 with 200 rules applied. Total rules applied 200 place count 420 transition count 400
Applied a total of 200 rules in 62 ms. Remains 420 /520 variables (removed 100) and now considering 400/500 (removed 100) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 420/520 places, 400/500 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3930460528066037021.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6763684991002613886.kers'
[2026-05-22 22:57:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3930460528066037021.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6763684991002613886.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 420 cols 2800 entries
Finished phase 1 with 200 SingleSign rule and 100 generalized
[2026-05-22 22:57:56] [INFO ] Computed 120 invariants in 6 ms
Computed 120 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-6763684991002613886.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[81] Max Struct:[90]
RANDOM walk for 1000000 steps (2 resets) in 8653 ms. (115 steps per ms)
BEST_FIRST walk for 902847 steps (2 resets) in 5001 ms. (180 steps per ms)
FORMULA DatabaseWithMutex-COL-10-UpperBounds-05 90 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-COL-10-UpperBounds-04 90 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 77757 ms.

BK_STOP 1779490689822

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DatabaseWithMutex-COL-10"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DatabaseWithMutex-COL-10, 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 r082-smll-177946993500021"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-10.tgz
mv DatabaseWithMutex-COL-10 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 ;