About the Execution of 2025-gold for HouseConstruction-PT-04000
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.r159-tall-177961079800113.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 gold2025
Input is HouseConstruction-PT-04000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800113
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.8K Mar 7 16:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 16:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 16:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 16:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 10:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 16:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 16:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 7 16:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 16:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 13K 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 HouseConstruction-PT-04000-UpperBounds-00
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-01
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-02
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-03
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-04
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-05
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-06
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-07
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-08
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-09
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-10
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-11
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-12
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-13
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-14
FORMULA_NAME HouseConstruction-PT-04000-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779707807060
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HouseConstruction-PT-04000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:16:48] [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]
[2026-05-25 11:16:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:16:48] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2026-05-25 11:16:48] [INFO ] Transformed 26 places.
[2026-05-25 11:16:48] [INFO ] Transformed 18 transitions.
[2026-05-25 11:16:48] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 118 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4000, 0, 0, 0, 0, 0] 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, 0, 0, 0, 0, 0, 0, 0, 4000, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 18 rows 26 cols
[2026-05-25 11:16:48] [INFO ] Computed 8 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4000, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 12005 steps (2 resets) in 10 ms. (1091 steps per ms)
BEST_FIRST walk for 160014 steps (32 resets) in 172 ms. (924 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[36, 49, 160, 19, 27, 25, 49, 39, 162, 18, 4000, 14, 14, 19, 20, 20] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 11:16:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:48] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:16:48] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 11:16:48] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 11:16:49] [INFO ] Added : 9 causal constraints over 2 iterations in 49 ms. Result :sat
Minimization took 11 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 11:16:49] [INFO ] Added : 9 causal constraints over 2 iterations in 20 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 5 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 6 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 6 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:16:49] [INFO ] Added : 11 causal constraints over 3 iterations in 12 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 13 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:16:49] [INFO ] Added : 13 causal constraints over 3 iterations in 10 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 14 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:16:49] [INFO ] Added : 14 causal constraints over 3 iterations in 15 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:16:49] [INFO ] Added : 4 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 12 causal constraints over 3 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 12 causal constraints over 3 iterations in 9 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:16:49] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 10 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 12 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 9 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 9 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:49] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 11:16:49] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:49] [INFO ] Added : 10 causal constraints over 2 iterations in 13 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:16:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:50] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:50] [INFO ] Added : 10 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:50] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:50] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:16:50] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:50] [INFO ] Added : 14 causal constraints over 3 iterations in 19 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:16:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:50] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:50] [INFO ] Added : 14 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:50] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:50] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:16:50] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:50] [INFO ] Added : 8 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:16:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:16:50] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:16:50] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:16:50] [INFO ] Added : 8 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[36, 49, 160, 19, 27, 25, 49, 39, 162, 18, 4000, 14, 14, 19, 20, 20] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4000, +inf, +inf, +inf, +inf, +inf]
FORMULA HouseConstruction-PT-04000-UpperBounds-10 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 18/18 transitions.
Ensure Unique test removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 25 transition count 17
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 24 transition count 16
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 5 place count 23 transition count 16
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 5 place count 23 transition count 15
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 7 place count 22 transition count 15
Applied a total of 7 rules in 28 ms. Remains 22 /26 variables (removed 4) and now considering 15/18 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 22/26 places, 15/18 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 15 rows 22 cols
[2026-05-25 11:17:29] [INFO ] Computed 7 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000266 steps (16 resets) in 252 ms. (3953 steps per ms)
BEST_FIRST walk for 15000014 steps (33 resets) in 6915 ms. (2168 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 11:17:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 3 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 3 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 3 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 3 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 2 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using 0 positive and 7 generalized place invariants in 1 ms returned sat
[2026-05-25 11:17:36] [INFO ] [Real]Absence check using state equation in 5 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000] Max Struct:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000]
FORMULA HouseConstruction-PT-04000-UpperBounds-15 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-14 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-13 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-12 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-11 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-09 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-08 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-07 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-06 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-05 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-04 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-03 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-02 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-01 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-00 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 11:17:36] [INFO ] Flatten gal took : 17 ms
[2026-05-25 11:17:36] [INFO ] Flatten gal took : 3 ms
[2026-05-25 11:17:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15072138302076847802.gal : 4 ms
[2026-05-25 11:17:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1094400186266711916.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15072138302076847802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1094400186266711916.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
ITS tools runner thread asked to quit. Dying gracefully.
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 48524 ms.
BK_STOP 1779707856961
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="HouseConstruction-PT-04000"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$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 gold2025"
echo " Input is HouseConstruction-PT-04000, 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 r159-tall-177961079800113"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-04000.tgz
mv HouseConstruction-PT-04000 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 '
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 ;