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.r034-tall-177946841800125.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 BridgeAndVehicles-COL-V80P20N20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800125
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.5K Mar 5 08:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 5 08:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 08:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 08:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 07:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 5 08:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Mar 5 08:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 08:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 5 08:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 45K 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 BridgeAndVehicles-COL-V80P20N20-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V80P20N20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779515823802

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202604301425
[2026-05-23 05:57:04] [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]
[2026-05-23 05:57:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 05:57:05] [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.
[2026-05-23 05:57:05] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 05:57:05] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 568 ms
[2026-05-23 05:57:05] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 198 PT places and 551698.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 11
[2026-05-23 05:57:05] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-23 05:57:05] [INFO ] Skeletonized 11 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8244139108772928246.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17323558455558446794.kers'
[2026-05-23 05:57:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8244139108772928246.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17323558455558446794.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 12 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-23 05:57:05] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17323558455558446794.kers
Total runtime 1 ms.
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[80, 0, 1, 0, 1, 1, 0, 0, 0, 0, 20] Max Struct:[80, 1, 1, 20, 1, 1, 80, 80, 80, 1, 20]
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-00 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-23 05:57:05] [INFO ] Invariant cache hit.
[2026-05-23 05:57:05] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-23 05:57:05] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-23 05:57:05] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-23 05:57:05] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 8 ms.
[2026-05-23 05:57:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 20 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 3 ms.
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
[2026-05-23 05:57:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 14 ms.
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 4 ms.
[2026-05-23 05:57:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 4 ms.
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 3 ms.
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-23 05:57:06] [INFO ] Added : 4 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 4 ms.
[2026-05-23 05:57:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-23 05:57:06] [INFO ] Added : 4 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 2 ms.
[2026-05-23 05:57:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 05:57:06] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-23 05:57:06] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-23 05:57:06] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 20, 80, 80, 80, 1]
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-23 05:57:06] [INFO ] Unfolded HLPN to a Petri net with 198 places and 3728 transitions 28830 arcs in 201 ms.
[2026-05-23 05:57:06] [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:[1, 20, 80, 80, 80, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 20, 80, 80, 80, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11809431802335434436.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2093041077471342195.kers'
[2026-05-23 05:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11809431802335434436.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2093041077471342195.kers]
Normalized transition count is 410 out of 3728 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 198 cols 2110 entries
Finished phase 1 with 31 SingleSign rule and 160 generalized
[2026-05-23 05:57:07] [INFO ] Computed 7 invariants in 3 ms
Computed 7 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2093041077471342195.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 20, 80, 80, 80, 1]
RANDOM walk for 10000 steps (14 resets) in 368 ms. (27 steps per ms)
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-08 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-10 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-14 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-07 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-13 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-06 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (10 resets) in 125 ms. (158 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[20]
[2026-05-23 05:57:07] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-392720985246623697.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11317815420713340706.kers'
[2026-05-23 05:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-392720985246623697.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11317815420713340706.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 410 rows 198 cols 2110 entries
Finished phase 1 with 31 SingleSign rule and 160 generalized
[2026-05-23 05:57:07] [INFO ] Computed 7 invariants in 5 ms
Computed 7 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-11317815420713340706.kers
Total runtime 14 ms.
[2026-05-23 05:57:07] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-23 05:57:07] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2026-05-23 05:57:07] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-23 05:57:07] [INFO ] [Real]Added 42 Read/Feed constraints in 49 ms returned sat
[2026-05-23 05:57:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 05:57:08] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-23 05:57:08] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2026-05-23 05:57:08] [INFO ] [Nat]Added 42 Read/Feed constraints in 45 ms returned sat
[2026-05-23 05:57:08] [INFO ] Computed and/alt/rep : 180/358/180 causal constraints (skipped 227 transitions) in 175 ms.
[2026-05-23 05:57:08] [INFO ] Added : 21 causal constraints over 5 iterations in 588 ms. Result :sat
Minimization took 233 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[20]
Support contains 1 out of 198 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 198/198 places, 3728/3728 transitions.
Graph (complete) has 1962 edges and 198 vertex of which 196 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.13 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 195 transition count 3727
Applied a total of 3 rules in 748 ms. Remains 195 /198 variables (removed 3) and now considering 3727/3728 (removed 1) transitions.
Running 3724 sub problems to find dead transitions.
[2026-05-23 05:57:10] [INFO ] Flow matrix only has 409 transitions (discarded 3318 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10484237506631114558.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8403640276853040427.kers'
[2026-05-23 05:57:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10484237506631114558.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8403640276853040427.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 409 rows 194 cols 1865 entries
Finished phase 1 with 190 SingleSign rule and 0 generalized
[2026-05-23 05:57:10] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8403640276853040427.kers
Total runtime 2 ms.
[2026-05-23 05:57:10] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/195 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3724 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 195/604 variables, and 5 constraints, problems are : Problem set: 0 solved, 3724 unsolved in 20080 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/195 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 3724/201 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3724 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/195 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3724 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 195/604 variables, and 6 constraints, problems are : Problem set: 0 solved, 3724 unsolved in 20063 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/195 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 3523/201 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43536ms problems are : Problem set: 0 solved, 3724 unsolved
Search for dead transitions found 0 dead transitions in 43589ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44383 ms. Remains : 195/198 places, 3727/3728 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5181589338673431923.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13443065732904928895.kers'
[2026-05-23 05:57:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5181589338673431923.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13443065732904928895.kers]
Normalized transition count is 409 out of 3727 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 409 rows 194 cols 1865 entries
Finished phase 1 with 190 SingleSign rule and 0 generalized
[2026-05-23 05:57:54] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-13443065732904928895.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[20]
RANDOM walk for 1000000 steps (1686 resets) in 12931 ms. (77 steps per ms)
BEST_FIRST walk for 949652 steps (648 resets) in 5001 ms. (189 steps per ms)
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-12 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P20N20-UpperBounds-03 20 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 67034 ms.

BK_STOP 1779515892039

--------------------
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="BridgeAndVehicles-COL-V80P20N20"
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 BridgeAndVehicles-COL-V80P20N20, 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 r034-tall-177946841800125"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P20N20.tgz
mv BridgeAndVehicles-COL-V80P20N20 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 ;