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.r254-tall-171654364300484.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)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is PGCD-PT-D04N025, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-171654364300484
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.5K Apr 11 15:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Apr 11 15:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 11 15:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Apr 11 15:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 6 10:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 6 10:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 6 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 6 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Apr 11 15:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 11 15:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 11 15:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 11 15:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 6 10:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 6 10:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 9.3K 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 1716637440033

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PGCD-PT-D04N025
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-25 11:44:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2024-05-25 11:44:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 11:44:01] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2024-05-25 11:44:01] [INFO ] Transformed 15 places.
[2024-05-25 11:44:01] [INFO ] Transformed 15 transitions.
[2024-05-25 11:44:01] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 130 ms.
Discarding 5 transitions out of 15. Remains 10
Built sparse matrix representations for Structural reductions in 4 ms.19016KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 14 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
// Phase 1: matrix 15 rows 15 cols
[2024-05-25 11:44:01] [INFO ] Computed 6 invariants in 4 ms
[2024-05-25 11:44:01] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 381ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 444 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2024-05-25 11:44:01] [INFO ] Invariant cache hit.
[2024-05-25 11:44:01] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-25 11:44:01] [INFO ] Invariant cache hit.
[2024-05-25 11:44:01] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:01] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2024-05-25 11:44:01] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-25 11:44:01] [INFO ] Invariant cache hit.
[2024-05-25 11:44:01] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 195ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 195ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 282 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250049 steps, including 0 resets, run took 421 ms (no deadlock found). (steps per millisecond=2969 )
Random directed walk for 1250020 steps, including 0 resets, run took 351 ms (no deadlock found). (steps per millisecond=3561 )
[2024-05-25 11:44:02] [INFO ] Invariant cache hit.
[2024-05-25 11:44:02] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 11:44:02] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 11:44:03] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 11:44:03] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:03] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2024-05-25 11:44:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 11:44:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:44:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 11:44:03] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 11:44:03] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 11:44:03] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:03] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2024-05-25 11:44:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 11:44:03] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Parikh directed walk for 23200 steps, including 133 resets, run took 37 ms. (steps per millisecond=627 )
Random directed walk for 500039 steps, including 0 resets, run took 96 ms (no deadlock found). (steps per millisecond=5208 )
Random walk for 500009 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
Random directed walk for 500001 steps, including 0 resets, run took 90 ms (no deadlock found). (steps per millisecond=5555 )
Random walk for 500007 steps, including 0 resets, run took 95 ms (no deadlock found). (steps per millisecond=5263 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2024-05-25 11:44:03] [INFO ] Invariant cache hit.
[2024-05-25 11:44:03] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-25 11:44:03] [INFO ] Invariant cache hit.
[2024-05-25 11:44:03] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:03] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-05-25 11:44:03] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-25 11:44:03] [INFO ] Invariant cache hit.
[2024-05-25 11:44:03] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 164ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 224 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250000 steps, including 0 resets, run took 235 ms (no deadlock found). (steps per millisecond=5319 )
Random directed walk for 1250027 steps, including 0 resets, run took 210 ms (no deadlock found). (steps per millisecond=5952 )
[2024-05-25 11:44:04] [INFO ] Invariant cache hit.
[2024-05-25 11:44:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 11:44:04] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 11:44:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 11:44:04] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:04] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2024-05-25 11:44:04] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 11:44:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:44:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 11:44:04] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 11:44:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-25 11:44:04] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-25 11:44:04] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2024-05-25 11:44:04] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 11:44:04] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Parikh directed walk for 23200 steps, including 130 resets, run took 28 ms. (steps per millisecond=828 )
Random directed walk for 500000 steps, including 0 resets, run took 87 ms (no deadlock found). (steps per millisecond=5747 )
Random walk for 500040 steps, including 0 resets, run took 84 ms (no deadlock found). (steps per millisecond=5952 )
Random directed walk for 500000 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
Random walk for 500002 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
[2024-05-25 11:44:04] [INFO ] Flatten gal took : 18 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2024-05-25 11:44:04] [INFO ] Invariant cache hit.
[2024-05-25 11:44:04] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 170ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 170ms
[2024-05-25 11:44:04] [INFO ] Invariant cache hit.
[2024-05-25 11:44:04] [INFO ] Implicit Places using invariants in 38 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 44 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 216 ms. Remains : 10/15 places, 15/15 transitions.
Discarding 5 transitions out of 15. Remains 10
Initial state reduction rules removed 5 formulas.
RANDOM walk for 2689 steps (0 resets) in 32 ms. (81 steps per ms) remains 0/5 properties
Able to resolve query QuasiLiveness after proving 10 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2024-05-25 11:44:05] [INFO ] Invariant cache hit.
[2024-05-25 11:44:05] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 141ms
[2024-05-25 11:44:05] [INFO ] Invariant cache hit.
[2024-05-25 11:44:05] [INFO ] Implicit Places using invariants in 32 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 35 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 179 ms. Remains : 10/15 places, 15/15 transitions.
Discarding 5 transitions out of 15. Remains 10
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Unable to solve all queries for examination Liveness. Remains :10 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 10 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 3956 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running PGCD-PT-D04N025

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 15
TRANSITIONS: 15
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.001s, Sys 0.001s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 562
MODEL NAME: /home/mcc/execution/model
15 places, 15 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML

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="PGCD-PT-D04N025"
export BK_EXAMINATION="Liveness"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is PGCD-PT-D04N025, 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 r254-tall-171654364300484"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 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 ;