Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r343-tall-171679094400259.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is SafeBus-PT-03, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r343-tall-171679094400259
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 724K
-rw-r--r-- 1 mcc users 8.5K Apr 12 14:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Apr 12 14:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 14:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Apr 12 14:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.2K Apr 23 07:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Apr 23 07:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 23 07:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 32K Apr 23 07:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 12 14:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Apr 12 14:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 26K Apr 12 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 154K Apr 12 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Apr 23 07:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 95K May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1716832862084

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202405141337
[2024-05-27 18:01:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-27 18:01:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 18:01:03] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2024-05-27 18:01:03] [INFO ] Transformed 57 places.
[2024-05-27 18:01:03] [INFO ] Transformed 91 transitions.
[2024-05-27 18:01:03] [INFO ] Found NUPN structural information;
[2024-05-27 18:01:03] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 182 ms.
Reduce places removed 3 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 6 ms.15975KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 17 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 30 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 6 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2024-05-27 18:01:03] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-05-27 18:01:03] [INFO ] Computed 17 invariants in 12 ms
[2024-05-27 18:01:03] [INFO ] Implicit Places using invariants in 200 ms returned []
[2024-05-27 18:01:03] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-05-27 18:01:03] [INFO ] Invariant cache hit.
[2024-05-27 18:01:03] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 18:01:03] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2024-05-27 18:01:03] [INFO ] Redundant transitions in 1 ms returned []
Running 88 sub problems to find dead transitions.
[2024-05-27 18:01:03] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-05-27 18:01:03] [INFO ] Invariant cache hit.
[2024-05-27 18:01:03] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD33 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 10/71 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 11 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 2 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-05-27 18:01:04] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 10/81 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 18:01:05] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 11 ms to minimize.
[2024-05-27 18:01:05] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 2/83 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 18:01:05] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 1/84 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 18:01:05] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/85 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/85 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 68/122 variables, 54/139 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 13/152 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/152 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/152 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 152 constraints, problems are : Problem set: 9 solved, 79 unsolved in 2845 ms.
Refiners :[Domain max(s): 54/54 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 14/14 constraints]
Escalating to Integer solving :Problem set: 9 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 7/61 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 10/71 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 14/85 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 18:01:07] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2024-05-27 18:01:07] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 1 ms to minimize.
[2024-05-27 18:01:07] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 1 ms to minimize.
[2024-05-27 18:01:07] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/89 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/89 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (OVERLAPS) 68/122 variables, 54/143 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 13/156 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 79/235 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/235 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/122 variables, 0/235 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 235 constraints, problems are : Problem set: 9 solved, 79 unsolved in 1969 ms.
Refiners :[Domain max(s): 54/54 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/88 constraints, Known Traps: 18/18 constraints]
After SMT, in 4930ms problems are : Problem set: 9 solved, 79 unsolved
Search for dead transitions found 9 dead transitions in 4943ms
Found 9 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 54/54 places, 82/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 18:01:08] [INFO ] Redundant transitions in 1 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 5299 ms. Remains : 54/54 places, 82/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1231 ms (no deadlock found). (steps per millisecond=1015 )
Random directed walk for 1250001 steps, including 0 resets, run took 875 ms (no deadlock found). (steps per millisecond=1428 )
[2024-05-27 18:01:11] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-05-27 18:01:11] [INFO ] Computed 17 invariants in 14 ms
[2024-05-27 18:01:11] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-05-27 18:01:11] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 6 ms returned sat
[2024-05-27 18:01:11] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-27 18:01:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 18:01:11] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-05-27 18:01:11] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 10 ms returned sat
[2024-05-27 18:01:11] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-27 18:01:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 18:01:11] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-05-27 18:01:11] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 0 ms to minimize.
[2024-05-27 18:01:11] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-05-27 18:01:11] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
[2024-05-27 18:01:11] [INFO ] Deduced a trap composed of 14 places in 21 ms of which 1 ms to minimize.
[2024-05-27 18:01:11] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 121 ms
[2024-05-27 18:01:11] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-05-27 18:01:11] [INFO ] Added : 34 causal constraints over 7 iterations in 103 ms. Result :sat
Parikh directed walk for 10500 steps, including 926 resets, run took 24 ms. (steps per millisecond=437 )
Random directed walk for 500001 steps, including 0 resets, run took 342 ms (no deadlock found). (steps per millisecond=1461 )
Random walk for 500000 steps, including 0 resets, run took 446 ms (no deadlock found). (steps per millisecond=1121 )
Random directed walk for 500000 steps, including 0 resets, run took 333 ms (no deadlock found). (steps per millisecond=1501 )
Random walk for 500000 steps, including 0 resets, run took 444 ms (no deadlock found). (steps per millisecond=1126 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 82/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 18:01:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 18:01:13] [INFO ] Invariant cache hit.
[2024-05-27 18:01:13] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-05-27 18:01:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 18:01:13] [INFO ] Invariant cache hit.
[2024-05-27 18:01:13] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 18:01:13] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2024-05-27 18:01:13] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 18:01:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 18:01:13] [INFO ] Invariant cache hit.
[2024-05-27 18:01:13] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 10/71 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 21 places in 27 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 3 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 0 ms to minimize.
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 18:01:13] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2024-05-27 18:01:14] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 1 ms to minimize.
[2024-05-27 18:01:14] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 3/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 18:01:14] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2024-05-27 18:01:14] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
[2024-05-27 18:01:14] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 3/86 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (OVERLAPS) 68/122 variables, 54/140 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 13/153 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/122 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 153 constraints, problems are : Problem set: 0 solved, 79 unsolved in 2482 ms.
Refiners :[Domain max(s): 54/54 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 15/15 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 10/71 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 15/86 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 18:01:15] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 0 ms to minimize.
[2024-05-27 18:01:15] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (OVERLAPS) 68/122 variables, 54/142 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 13/155 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 79/234 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/122 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 234 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1829 ms.
Refiners :[Domain max(s): 54/54 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 17/17 constraints]
After SMT, in 4343ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 4344ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 4430 ms. Remains : 54/54 places, 82/82 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1125 ms (no deadlock found). (steps per millisecond=1111 )
Random directed walk for 1250000 steps, including 0 resets, run took 845 ms (no deadlock found). (steps per millisecond=1479 )
[2024-05-27 18:01:19] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 18:01:19] [INFO ] Invariant cache hit.
[2024-05-27 18:01:19] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-05-27 18:01:19] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 16 ms returned sat
[2024-05-27 18:01:19] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-27 18:01:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 18:01:19] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-05-27 18:01:19] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 4 ms returned sat
[2024-05-27 18:01:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-27 18:01:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 18:01:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-05-27 18:01:19] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 1 ms to minimize.
[2024-05-27 18:01:19] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 1 ms to minimize.
[2024-05-27 18:01:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 66 ms
[2024-05-27 18:01:19] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-05-27 18:01:19] [INFO ] Added : 23 causal constraints over 5 iterations in 60 ms. Result :sat
Parikh directed walk for 4800 steps, including 417 resets, run took 12 ms. (steps per millisecond=400 )
Random directed walk for 500002 steps, including 0 resets, run took 336 ms (no deadlock found). (steps per millisecond=1488 )
Random walk for 500000 steps, including 0 resets, run took 443 ms (no deadlock found). (steps per millisecond=1128 )
Random directed walk for 500003 steps, including 0 resets, run took 331 ms (no deadlock found). (steps per millisecond=1510 )
Random walk for 500000 steps, including 0 resets, run took 446 ms (no deadlock found). (steps per millisecond=1121 )
[2024-05-27 18:01:21] [INFO ] Flatten gal took : 34 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 57/57 places, 91/91 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 54 transition count 91
Applied a total of 3 rules in 4 ms. Remains 54 /57 variables (removed 3) and now considering 91/91 (removed 0) transitions.
[2024-05-27 18:01:21] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-05-27 18:01:21] [INFO ] Computed 17 invariants in 2 ms
[2024-05-27 18:01:21] [INFO ] Implicit Places using invariants in 107 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 111 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 51/57 places, 91/91 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 88
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 88
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 91
Applied a total of 12 rules in 8 ms. Remains 45 /51 variables (removed 6) and now considering 91/91 (removed 0) transitions.
[2024-05-27 18:01:21] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 45 cols
[2024-05-27 18:01:21] [INFO ] Computed 14 invariants in 1 ms
[2024-05-27 18:01:21] [INFO ] Implicit Places using invariants in 85 ms returned []
[2024-05-27 18:01:21] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-05-27 18:01:21] [INFO ] Invariant cache hit.
[2024-05-27 18:01:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 18:01:21] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 45/57 places, 91/91 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 333 ms. Remains : 45/57 places, 91/91 transitions.
Discarding 9 transitions out of 91. Remains 82
Initial state reduction rules removed 3 formulas.
[2024-05-27 18:01:21] [INFO ] Flatten gal took : 22 ms
[2024-05-27 18:01:21] [INFO ] Flatten gal took : 22 ms
[2024-05-27 18:01:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16972674234761592351.gal : 17 ms
[2024-05-27 18:01:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14593922322534509346.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16972674234761592351.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14593922322534509346.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14593922322534509346.prop.
Reachability property qltransition_73 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
SDD proceeding with computation,76 properties remain. new max is 2
SDD size :1 after 2
Reachability property qltransition_79 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_49 is true.
SDD proceeding with computation,73 properties remain. new max is 2
SDD size :2 after 5
Reachability property qltransition_85 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
SDD proceeding with computation,70 properties remain. new max is 2
SDD size :5 after 11
SDD proceeding with computation,70 properties remain. new max is 4
SDD size :11 after 14
SDD proceeding with computation,70 properties remain. new max is 8
SDD size :14 after 15
Reachability property qltransition_70 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_21 is true.
Reachability property qltransition_19 is true.
SDD proceeding with computation,64 properties remain. new max is 8
SDD size :15 after 22
Reachability property qltransition_32 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
SDD proceeding with computation,59 properties remain. new max is 8
SDD size :22 after 36
Reachability property qltransition_71 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_38 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_17 is true.
SDD proceeding with computation,52 properties remain. new max is 8
SDD size :36 after 46
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_40 is true.
Reachability property qltransition_13 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,42 properties remain. new max is 8
SDD size :46 after 74
SDD proceeding with computation,42 properties remain. new max is 16
SDD size :74 after 78
Reachability property qltransition_12 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,40 properties remain. new max is 16
SDD size :78 after 88
Reachability property qltransition_9 is true.
SDD proceeding with computation,39 properties remain. new max is 16
SDD size :88 after 99
Reachability property qltransition_34 is true.
Reachability property qltransition_14 is true.
SDD proceeding with computation,37 properties remain. new max is 16
SDD size :99 after 141
Reachability property qltransition_65 is true.
SDD proceeding with computation,36 properties remain. new max is 16
SDD size :141 after 150
SDD proceeding with computation,36 properties remain. new max is 32
SDD size :150 after 161
Reachability property qltransition_89 is true.
Reachability property qltransition_87 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_81 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_64 is true.
SDD proceeding with computation,29 properties remain. new max is 32
SDD size :161 after 317
SDD proceeding with computation,29 properties remain. new max is 64
SDD size :317 after 330
SDD proceeding with computation,29 properties remain. new max is 128
SDD size :330 after 378
Reachability property qltransition_72 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_39 is true.
SDD proceeding with computation,21 properties remain. new max is 128
SDD size :378 after 633
Reachability property qltransition_43 is true.
Reachability property qltransition_35 is true.
SDD proceeding with computation,19 properties remain. new max is 128
SDD size :633 after 892
RANDOM walk for 40000 steps (8 resets) in 1190 ms. (33 steps per ms) remains 9/79 properties
Reachability property qltransition_36 is true.
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :892 after 1184
Reachability property qltransition_58 is true.
Reachability property qltransition_6 is true.
Reachability property qltransition_5 is true.
Reachability property qltransition_4 is true.
Reachability property qltransition_3 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :1524 after 2103
Reachability property qltransition_60 is true.
Reachability property qltransition_59 is true.
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :2103 after 2716
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,2742,0.203607,8196,2,1005,95,13967,15,0,299,10013,0
Total reachable state count : 2742

Verifying 79 reachability properties.
Reachability property qltransition_0 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
qltransition\_0,255,0.204501,8196,2,432,95,13967,16,0,305,10013,0
Reachability property qltransition_1 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
qltransition\_1,39,0.204918,8456,2,196,95,13967,17,0,310,10013,0
Reachability property qltransition_2 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
qltransition\_2,51,0.205168,8456,2,185,95,13967,18,0,313,10013,0
Reachability property qltransition_3 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
qltransition\_3,51,0.205517,8456,2,210,95,13967,19,0,316,10013,0
Reachability property qltransition_4 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
qltransition\_4,51,0.205751,8456,2,185,95,13967,20,0,319,10013,0
Reachability property qltransition_5 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
qltransition\_5,51,0.206008,8456,2,210,95,13967,21,0,322,10013,0
Reachability property qltransition_6 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
qltransition\_6,51,0.206319,8456,2,199,95,13967,22,0,325,10013,0
Reachability property qltransition_7 does not hold.
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40002 steps (8 resets) in 188 ms. (211 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 143 ms. (277 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 152 ms. (261 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 158 ms. (251 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 77 ms. (512 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 107 ms. (370 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 122 ms. (325 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (8 resets) in 98 ms. (404 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 106 ms. (373 steps per ms) remains 9/9 properties
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 19490 ms.

BK_STOP 1716832882820

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="SafeBus-PT-03"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5568"
echo " Executing tool itstools"
echo " Input is SafeBus-PT-03, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r343-tall-171679094400259"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;