About the Execution of ITS-Tools for CopsAndRobbers-PT-CRL015X005
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 78987.00 | 0.00 | 0.00 | 5 5 5 1 5 5 1 5 5 5 5 5 1 5 5 1 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400181.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 CopsAndRobbers-PT-CRL015X005, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400181
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.7K Jun 6 09:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Jun 6 09:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jun 6 08:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Jun 6 08:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 11:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 11:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 11:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 09:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Jun 6 09:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 09:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Jun 6 09:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 11:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 11:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 83K Jun 5 20:08 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-CRL015X005-UpperBounds-00
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-01
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-02
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-03
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-04
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-05
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-06
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-07
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-08
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-09
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-10
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-11
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-12
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-13
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-14
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749338426187
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-CRL015X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-07 23:20:27] [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]
[2025-06-07 23:20:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 23:20:27] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2025-06-07 23:20:27] [INFO ] Transformed 85 places.
[2025-06-07 23:20:27] [INFO ] Transformed 109 transitions.
[2025-06-07 23:20:27] [INFO ] Parsed PT model containing 85 places and 109 transitions and 504 arcs in 139 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, 0, 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, 1, 0, 0, 1, 0, 0, 0, 0, 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 109 rows 85 cols
[2025-06-07 23:20:27] [INFO ] Computed 19 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1, 5, 5, 1, 5, 5, 5, 5, 5, 1, 5, 5, 1]
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10001 steps (2 resets) in 22 ms. (434 steps per ms)
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-10 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-09 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-08 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-05 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-04 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-01 5 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (19 resets) in 127 ms. (468 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 2, 0, 2] Max Struct:[5, 5, 5, 5, 5, 5]
[2025-06-07 23:20:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:27] [INFO ] [Real]Absence check using 18 positive place invariants in 24 ms returned sat
[2025-06-07 23:20:27] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-07 23:20:27] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-07 23:20:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive place invariants in 5 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-07 23:20:28] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:20:28] [INFO ] [Nat]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-07 23:20:28] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 9 ms.
[2025-06-07 23:20:28] [INFO ] Added : 33 causal constraints over 8 iterations in 199 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using 18 positive place invariants in 6 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-07 23:20:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive place invariants in 6 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-07 23:20:28] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 16 ms.
[2025-06-07 23:20:28] [INFO ] Added : 22 causal constraints over 5 iterations in 142 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using 18 positive place invariants in 4 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2025-06-07 23:20:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 23:20:28] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-07 23:20:29] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 6 ms.
[2025-06-07 23:20:29] [INFO ] Added : 11 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive place invariants in 7 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-06-07 23:20:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 4 ms returned sat
[2025-06-07 23:20:29] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 5 ms.
[2025-06-07 23:20:29] [INFO ] Added : 5 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive place invariants in 4 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2025-06-07 23:20:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2025-06-07 23:20:29] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 5 ms.
[2025-06-07 23:20:29] [INFO ] Added : 10 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive place invariants in 5 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using 18 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Real]Added 30 Read/Feed constraints in 8 ms returned sat
[2025-06-07 23:20:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-07 23:20:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 12 ms returned sat
[2025-06-07 23:20:29] [INFO ] Computed and/alt/rep : 75/240/75 causal constraints (skipped 4 transitions) in 10 ms.
[2025-06-07 23:20:29] [INFO ] Added : 18 causal constraints over 4 iterations in 77 ms. Result :sat
Minimization took 214 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 2, 0, 2] Max Struct:[5, 5, 5, 5, 5, 5]
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-14 5 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-13 5 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-11 5 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-07 5 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 4] Max Struct:[5, 5]
Support contains 2 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Graph (complete) has 370 edges and 85 vertex of which 72 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 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 72 transition count 108
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 3 place count 71 transition count 108
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 5 place count 70 transition count 107
Applied a total of 5 rules in 27 ms. Remains 70 /85 variables (removed 15) and now considering 107/109 (removed 2) transitions.
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 107 rows 70 cols
[2025-06-07 23:20:30] [INFO ] Computed 18 invariants in 2 ms
[2025-06-07 23:20:30] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 2/177 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/177 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:20:35] [INFO ] Deduced a trap composed of 34 places in 55 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/177 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/177 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/177 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 177/177 variables, and 119 constraints, problems are : Problem set: 0 solved, 77 unsolved in 9148 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 69/185 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:20:52] [INFO ] Deduced a trap along path composed of 5 places in 40 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/177 variables, and 186 constraints, problems are : Problem set: 0 solved, 77 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 69/77 constraints, Known Traps: 0/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 29254ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 29261ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29298 ms. Remains : 70/85 places, 107/109 transitions.
[2025-06-07 23:20:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 4] Max Struct:[5, 5]
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-00 5 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000001 steps (2 resets) in 617 ms. (1618 steps per ms)
BEST_FIRST walk for 1000000 steps (3 resets) in 619 ms. (1612 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[5]
[2025-06-07 23:21:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 23:21:00] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2025-06-07 23:21:00] [INFO ] [Real]Absence check using 17 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:21:00] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-07 23:21:00] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:21:00] [INFO ] [Real]Added 30 Read/Feed constraints in 4 ms returned sat
[2025-06-07 23:21:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 23:21:00] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2025-06-07 23:21:00] [INFO ] [Nat]Absence check using 17 positive and 1 generalized place invariants in 3 ms returned sat
[2025-06-07 23:21:00] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-07 23:21:00] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
[2025-06-07 23:21:00] [INFO ] Computed and/alt/rep : 45/135/45 causal constraints (skipped 32 transitions) in 8 ms.
[2025-06-07 23:21:00] [INFO ] Added : 16 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[5]
Support contains 1 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 107/107 transitions.
Graph (complete) has 329 edges and 70 vertex of which 69 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 69 /70 variables (removed 1) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 69/70 places, 107/107 transitions.
// Phase 1: matrix 107 rows 69 cols
[2025-06-07 23:21:00] [INFO ] Computed 18 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[5]
RANDOM walk for 1000001 steps (2 resets) in 569 ms. (1754 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 629 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[5]
[2025-06-07 23:21:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 23:21:02] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2025-06-07 23:21:02] [INFO ] [Real]Absence check using 17 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:21:02] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-07 23:21:02] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:21:02] [INFO ] [Real]Added 30 Read/Feed constraints in 3 ms returned sat
[2025-06-07 23:21:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 23:21:02] [INFO ] [Nat]Absence check using 17 positive place invariants in 3 ms returned sat
[2025-06-07 23:21:02] [INFO ] [Nat]Absence check using 17 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:21:02] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-07 23:21:02] [INFO ] [Nat]Added 30 Read/Feed constraints in 2 ms returned sat
[2025-06-07 23:21:02] [INFO ] Computed and/alt/rep : 45/135/45 causal constraints (skipped 32 transitions) in 5 ms.
[2025-06-07 23:21:02] [INFO ] Added : 16 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[5]
Support contains 1 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 107/107 transitions.
Applied a total of 0 rules in 4 ms. Remains 69 /69 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 69/69 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 107/107 transitions.
Applied a total of 0 rules in 3 ms. Remains 69 /69 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2025-06-07 23:21:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:21:02] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-06-07 23:21:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:21:02] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:21:02] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 438 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:21:02] [INFO ] Redundant transitions in 5 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-07 23:21:02] [INFO ] Invariant cache hit.
[2025-06-07 23:21:02] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:04] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (OVERLAPS) 1/176 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:07] [INFO ] Deduced a trap composed of 44 places in 51 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/176 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/176 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 176/176 variables, and 119 constraints, problems are : Problem set: 0 solved, 77 unsolved in 9099 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 69/69 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 2/68 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 107/175 variables, 68/87 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 73/190 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:22] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/176 variables, and 191 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/69 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 73/77 constraints, Known Traps: 1/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 39140ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 39140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39600 ms. Remains : 69/69 places, 107/107 transitions.
RANDOM walk for 40000 steps (8 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (12 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (21 resets) in 139 ms. (285 steps per ms) remains 2/2 properties
[2025-06-07 23:21:42] [INFO ] Flatten gal took : 80 ms
[2025-06-07 23:21:42] [INFO ] Flatten gal took : 18 ms
[2025-06-07 23:21:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16307389768475364286.gal : 10 ms
[2025-06-07 23:21:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11027024755632177670.prop : 1 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/ReachabilityCardinality16307389768475364286.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11027024755632177670.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11027024755632177670.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 11
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :11 after 144
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :144 after 148
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :148 after 155
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :155 after 5359
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :5359 after 72428
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :72428 after 189832
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :189832 after 259056
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :259056 after 982499
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :982499 after 1.70655e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.70655e+06 after 2.69696e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,8.21086e+06,1.61844,56276,2,12029,16,234925,8,0,383,255193,0
Total reachable state count : 8210859
Verifying 2 reachability properties.
Reachability property MAX0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,8,1.61924,56276,2,100,16,234925,8,0,385,255193,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,8,1.61983,56276,2,100,16,234925,8,0,385,255193,0
Interrupted probabilistic random walk after 1121457 steps, run timeout after 3001 ms. (steps per millisecond=373 ) properties seen :0 out of 2
Probabilistic random walk after 1121457 steps, saw 342027 distinct states, run finished after 3005 ms. (steps per millisecond=373 ) properties seen :0
FORMULA CopsAndRobbers-PT-CRL015X005-UpperBounds-02 5 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 77796 ms.
BK_STOP 1749338505174
--------------------
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="CopsAndRobbers-PT-CRL015X005"
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 CopsAndRobbers-PT-CRL015X005, 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 r254-tall-174931339400181"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL015X005.tgz
mv CopsAndRobbers-PT-CRL015X005 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 ;