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.r066-tall-177946967800525.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)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CopsAndRobbers-PT-KFL028N008K002X005, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967800525
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 11K Mar 6 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 15 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Mar 6 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 762K 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 CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-00
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-01
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-02
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-03
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-04
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-05
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-06
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-07
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-08
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-09
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-10
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-11
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-12
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-13
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-14
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779535912761

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-KFL028N008K002X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 11:31:53] [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 11:31:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 11:31:54] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2026-05-23 11:31:54] [INFO ] Transformed 146 places.
[2026-05-23 11:31:54] [INFO ] Transformed 927 transitions.
[2026-05-23 11:31:54] [INFO ] Parsed PT model containing 146 places and 927 transitions and 5438 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17998135476391818775.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4802388289279209524.kers'
[2026-05-23 11:31:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17998135476391818775.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4802388289279209524.kers]
Culling duplicate invariants (modulo rational): removing 28 columns.
Culled 28 columns in 0 ms.
// Phase 1: matrix 927 rows 118 cols 3590 entries
Finished phase 1 with 114 SingleSign rule and 1 generalized
[2026-05-23 11:31:54] [INFO ] Computed 31 invariants in 3 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4802388289279209524.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1] Max Struct:[1, 1, 5, 5, 5, 5, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5]
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10001 steps (162 resets) in 127 ms. (78 steps per ms)
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (98 resets) in 152 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 3, 4, 1, 4, 2, 3, 3, 2] Max Struct:[5, 5, 5, 5, 5, 5, 5, 5, 5]
[2026-05-23 11:31:54] [INFO ] Invariant cache hit.
[2026-05-23 11:31:54] [INFO ] [Real]Absence check using 31 positive place invariants in 13 ms returned sat
[2026-05-23 11:31:54] [INFO ] [Real]Absence check using state equation in 196 ms returned sat
[2026-05-23 11:31:54] [INFO ] State equation strengthened by 70 read => feed constraints.
[2026-05-23 11:31:54] [INFO ] [Real]Added 70 Read/Feed constraints in 10 ms returned sat
[2026-05-23 11:31:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:31:55] [INFO ] [Nat]Absence check using 31 positive place invariants in 7 ms returned sat
[2026-05-23 11:31:55] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2026-05-23 11:31:55] [INFO ] [Nat]Added 70 Read/Feed constraints in 86 ms returned sat
[2026-05-23 11:31:55] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 74 ms.
[2026-05-23 11:31:55] [INFO ] Added : 5 causal constraints over 1 iterations in 207 ms. Result :sat
Minimization took 505 ms.
[2026-05-23 11:31:56] [INFO ] [Real]Absence check using 31 positive place invariants in 12 ms returned sat
[2026-05-23 11:31:56] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2026-05-23 11:31:56] [INFO ] [Real]Added 70 Read/Feed constraints in 15 ms returned sat
[2026-05-23 11:31:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:31:56] [INFO ] [Nat]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:31:56] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2026-05-23 11:31:56] [INFO ] [Nat]Added 70 Read/Feed constraints in 24 ms returned sat
[2026-05-23 11:31:56] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 85 ms.
[2026-05-23 11:31:56] [INFO ] Added : 2 causal constraints over 1 iterations in 223 ms. Result :sat
Minimization took 508 ms.
[2026-05-23 11:31:57] [INFO ] [Real]Absence check using 31 positive place invariants in 7 ms returned sat
[2026-05-23 11:31:57] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2026-05-23 11:31:57] [INFO ] [Real]Added 70 Read/Feed constraints in 19 ms returned sat
[2026-05-23 11:31:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:31:57] [INFO ] [Nat]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:31:57] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2026-05-23 11:31:57] [INFO ] [Nat]Added 70 Read/Feed constraints in 49 ms returned sat
[2026-05-23 11:31:57] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 45 ms.
[2026-05-23 11:31:57] [INFO ] Added : 2 causal constraints over 1 iterations in 141 ms. Result :sat
Minimization took 495 ms.
[2026-05-23 11:31:58] [INFO ] [Real]Absence check using 31 positive place invariants in 6 ms returned sat
[2026-05-23 11:31:58] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2026-05-23 11:31:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:31:58] [INFO ] [Nat]Absence check using 31 positive place invariants in 7 ms returned sat
[2026-05-23 11:31:58] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2026-05-23 11:31:58] [INFO ] [Nat]Added 70 Read/Feed constraints in 21 ms returned sat
[2026-05-23 11:31:58] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 48 ms.
[2026-05-23 11:31:59] [INFO ] Added : 1 causal constraints over 1 iterations in 162 ms. Result :sat
Minimization took 494 ms.
[2026-05-23 11:31:59] [INFO ] [Real]Absence check using 31 positive place invariants in 10 ms returned sat
[2026-05-23 11:31:59] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2026-05-23 11:31:59] [INFO ] [Real]Added 70 Read/Feed constraints in 13 ms returned sat
[2026-05-23 11:31:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:31:59] [INFO ] [Nat]Absence check using 31 positive place invariants in 7 ms returned sat
[2026-05-23 11:31:59] [INFO ] [Nat]Absence check using state equation in 131 ms returned sat
[2026-05-23 11:32:00] [INFO ] [Nat]Added 70 Read/Feed constraints in 67 ms returned sat
[2026-05-23 11:32:00] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 40 ms.
[2026-05-23 11:32:00] [INFO ] Added : 7 causal constraints over 2 iterations in 178 ms. Result :sat
Minimization took 508 ms.
[2026-05-23 11:32:00] [INFO ] [Real]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:00] [INFO ] [Real]Absence check using state equation in 145 ms returned sat
[2026-05-23 11:32:00] [INFO ] [Real]Added 70 Read/Feed constraints in 10 ms returned sat
[2026-05-23 11:32:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:32:01] [INFO ] [Nat]Absence check using 31 positive place invariants in 6 ms returned sat
[2026-05-23 11:32:01] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2026-05-23 11:32:01] [INFO ] [Nat]Added 70 Read/Feed constraints in 36 ms returned sat
[2026-05-23 11:32:01] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 40 ms.
[2026-05-23 11:32:01] [INFO ] Added : 3 causal constraints over 1 iterations in 133 ms. Result :sat
Minimization took 492 ms.
[2026-05-23 11:32:01] [INFO ] [Real]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:02] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2026-05-23 11:32:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:32:02] [INFO ] [Nat]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:02] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2026-05-23 11:32:02] [INFO ] [Nat]Added 70 Read/Feed constraints in 67 ms returned sat
[2026-05-23 11:32:02] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 41 ms.
[2026-05-23 11:32:02] [INFO ] Added : 4 causal constraints over 1 iterations in 123 ms. Result :sat
Minimization took 495 ms.
[2026-05-23 11:32:03] [INFO ] [Real]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:03] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2026-05-23 11:32:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:32:03] [INFO ] [Nat]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:03] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2026-05-23 11:32:03] [INFO ] [Nat]Added 70 Read/Feed constraints in 78 ms returned sat
[2026-05-23 11:32:03] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 44 ms.
[2026-05-23 11:32:03] [INFO ] Added : 1 causal constraints over 1 iterations in 135 ms. Result :sat
Minimization took 507 ms.
[2026-05-23 11:32:04] [INFO ] [Real]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:04] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2026-05-23 11:32:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 11:32:04] [INFO ] [Nat]Absence check using 31 positive place invariants in 5 ms returned sat
[2026-05-23 11:32:04] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2026-05-23 11:32:04] [INFO ] [Nat]Added 70 Read/Feed constraints in 19 ms returned sat
[2026-05-23 11:32:04] [INFO ] Computed and/alt/rep : 346/346/346 causal constraints (skipped 506 transitions) in 43 ms.
[2026-05-23 11:32:04] [INFO ] Added : 0 causal constraints over 0 iterations in 98 ms. Result :sat
Minimization took 503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 3, 4, 1, 4, 2, 3, 3, 2] Max Struct:[5, 5, 5, 5, 5, 5, 5, 5, 5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 3, 4, 1, 4, 4, 4, 3, 2] Max Struct:[5, 5, 5, 5, 5, 5, 5, 5, 5]
Support contains 9 out of 146 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 146/146 places, 927/927 transitions.
Graph (complete) has 2162 edges and 146 vertex of which 121 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.5 ms
Discarding 25 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 121 transition count 926
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 120 transition count 926
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 119 transition count 925
Applied a total of 5 rules in 134 ms. Remains 119 /146 variables (removed 27) and now considering 925/927 (removed 2) transitions.
Running 850 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11890323992333106631.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1058481307539410316.kers'
[2026-05-23 11:32:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11890323992333106631.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1058481307539410316.kers]
Culling duplicate invariants (modulo rational): removing 28 columns.
Culled 28 columns in 0 ms.
// Phase 1: matrix 925 rows 91 cols 3536 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-23 11:32:05] [INFO ] Computed 30 invariants in 2 ms
Computed 30 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1058481307539410316.kers
Total runtime 3 ms.
[2026-05-23 11:32:05] [INFO ] State equation strengthened by 70 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 2 (OVERLAPS) 925/1041 variables, 116/146 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1041 variables, 70/216 constraints. Problems are: Problem set: 0 solved, 850 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1041/1044 variables, and 216 constraints, problems are : Problem set: 0 solved, 850 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, State Equation: 116/119 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 850/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 850 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 2 (OVERLAPS) 925/1041 variables, 116/146 constraints. Problems are: Problem set: 0 solved, 850 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1041 variables, 70/216 constraints. Problems are: Problem set: 0 solved, 850 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1041/1044 variables, and 292 constraints, problems are : Problem set: 0 solved, 850 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, State Equation: 116/119 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 841/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41470ms problems are : Problem set: 0 solved, 850 unsolved
Search for dead transitions found 0 dead transitions in 41495ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41656 ms. Remains : 119/146 places, 925/927 transitions.
[2026-05-23 11:32:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 3, 4, 1, 4, 4, 4, 3, 2] Max Struct:[5, 5, 5, 5, 5, 5, 5, 5, 5]
RANDOM walk for 1000000 steps (18440 resets) in 8021 ms. (124 steps per ms)
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-15 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-12 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-11 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-08 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-07 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-05 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-04 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-03 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-UpperBounds-02 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (4016 resets) in 758 ms. (1317 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 61789 ms.

BK_STOP 1779535975703

--------------------
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="CopsAndRobbers-PT-KFL028N008K002X005"
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 CopsAndRobbers-PT-KFL028N008K002X005, 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 r066-tall-177946967800525"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL028N008K002X005.tgz
mv CopsAndRobbers-PT-KFL028N008K002X005 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 ;