Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422300229.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
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 r114-tall-174876422300229
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 13K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME 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 1748806168616

Invoking MCC driver with
BK_TOOL=itstools
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
[2025-06-01 19:29:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 19:29:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 19:29:30] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2025-06-01 19:29:30] [INFO ] Transformed 26 places.
[2025-06-01 19:29:30] [INFO ] Transformed 18 transitions.
[2025-06-01 19:29:30] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 144 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4000] 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, 0, 0, 0, 0, 0, 4000] 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
[2025-06-01 19:29:30] [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, 0, 0, 0, 0, 0, 4000] 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 160015 steps (32 resets) in 225 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[21, 43, 33, 22, 29, 4000, 17, 71, 21, 21, 477, 16, 21, 14, 45, 4000] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:29:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:30] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 7 ms returned sat
[2025-06-01 19:29:30] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-01 19:29:30] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-01 19:29:30] [INFO ] Added : 7 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:30] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:30] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-01 19:29:30] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-01 19:29:30] [INFO ] Added : 14 causal constraints over 3 iterations in 31 ms. Result :sat
Minimization took 10 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 6 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-01 19:29:31] [INFO ] Added : 14 causal constraints over 3 iterations in 32 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-01 19:29:31] [INFO ] Added : 6 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:31] [INFO ] Added : 14 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 6 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:31] [INFO ] Added : 14 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 4 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-01 19:29:31] [INFO ] Added : 13 causal constraints over 3 iterations in 15 ms. Result :sat
Minimization took 10 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:31] [INFO ] Added : 13 causal constraints over 3 iterations in 32 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 16 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:31] [INFO ] Added : 14 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:31] [INFO ] Added : 14 causal constraints over 3 iterations in 11 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:31] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:31] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:31] [INFO ] Added : 8 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:31] [INFO ] Added : 8 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
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-01 19:29:31] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-01 19:29:31] [INFO ] Added : 11 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 7 ms.
[2025-06-01 19:29:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:31] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:32] [INFO ] Added : 11 causal constraints over 3 iterations in 14 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-01 19:29:32] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 3 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:32] [INFO ] Added : 9 causal constraints over 2 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2025-06-01 19:29:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-01 19:29:32] [INFO ] Added : 9 causal constraints over 2 iterations in 26 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:32] [INFO ] Added : 10 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
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:32] [INFO ] Added : 12 causal constraints over 3 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 1 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:32] [INFO ] Added : 6 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2025-06-01 19:29:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-01 19:29:32] [INFO ] Computed and/alt/rep : 17/25/17 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 19:29:32] [INFO ] Added : 6 causal constraints over 2 iterations in 11 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using 0 positive and 8 generalized place invariants in 2 ms returned sat
[2025-06-01 19:29:32] [INFO ] [Real]Absence check using state equation in 6 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[21, 43, 33, 22, 29, 4000, 17, 71, 21, 21, 477, 16, 21, 14, 45, 4000] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4000, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4000]
FORMULA HouseConstruction-PT-04000-UpperBounds-15 4000 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA HouseConstruction-PT-04000-UpperBounds-05 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 18/18 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 26 transition count 16
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 21 transition count 15
Applied a total of 8 rules in 27 ms. Remains 21 /26 variables (removed 5) and now considering 15/18 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 21/26 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 21 cols
[2025-06-01 19:30:49] [INFO ] Computed 6 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000266 steps (16 resets) in 154 ms. (6453 steps per ms)
BEST_FIRST walk for 14000011 steps (32 resets) in 6468 ms. (2164 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 19:30:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 2 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using state equation in 2 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using state equation in 2 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 8 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 2 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 2 ms returned sat
[2025-06-01 19:30:56] [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
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 1 ms returned sat
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 19:30:56] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 2 ms returned sat
[2025-06-01 19:30:56] [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] Max Struct:[4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000, 4000]
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-10 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-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 4 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 )
[2025-06-01 19:30:56] [INFO ] Flatten gal took : 20 ms
[2025-06-01 19:30:56] [INFO ] Flatten gal took : 2 ms
[2025-06-01 19:30:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13086256024767967330.gal : 4 ms
[2025-06-01 19:30:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14424002335867009491.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/ReachabilityCardinality13086256024767967330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14424002335867009491.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 86771 ms.

BK_STOP 1748806256926

--------------------
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="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 2-5832"
echo " Executing tool itstools"
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 r114-tall-174876422300229"
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 '' 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 ;