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.r232-tall-171649621500044.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 JoinFreeModules-PT-0500, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r232-tall-171649621500044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 16:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 19 18:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 11 14:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Apr 11 14:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Apr 11 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Apr 11 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.6M May 18 16:42 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 1716534716179

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0500
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 07:11:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2024-05-24 07:11:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 07:11:57] [INFO ] Load time of PNML (sax parser for PT used): 231 ms
[2024-05-24 07:11:57] [INFO ] Transformed 2501 places.
[2024-05-24 07:11:57] [INFO ] Transformed 4001 transitions.
[2024-05-24 07:11:57] [INFO ] Parsed PT model containing 2501 places and 4001 transitions and 11502 arcs in 347 ms.
Discarding 2000 transitions out of 4001. Remains 2001
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.33937KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 2500/2500 places, 4001/4001 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 287 ms. Remains 2500 /2500 variables (removed 0) and now considering 4001/4001 (removed 0) transitions.
Running 3000 sub problems to find dead transitions.
// Phase 1: matrix 4001 rows 2500 cols
[2024-05-24 07:11:58] [INFO ] Computed 500 invariants in 42 ms
[2024-05-24 07:11:58] [INFO ] State equation strengthened by 500 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20107 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 41654ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 41722ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42066 ms. Remains : 2500/2500 places, 4001/4001 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 2500/2500 places, 4001/4001 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 180 ms. Remains 2500 /2500 variables (removed 0) and now considering 4001/4001 (removed 0) transitions.
[2024-05-24 07:12:40] [INFO ] Invariant cache hit.
[2024-05-24 07:12:40] [INFO ] Implicit Places using invariants in 385 ms returned []
[2024-05-24 07:12:40] [INFO ] Invariant cache hit.
[2024-05-24 07:12:42] [INFO ] State equation strengthened by 500 read => feed constraints.
[2024-05-24 07:12:42] [INFO ] Implicit Places using invariants and state equation in 1491 ms returned []
Implicit Place search using SMT with State Equation took 1882 ms to find 0 implicit places.
[2024-05-24 07:12:42] [INFO ] Redundant transitions in 223 ms returned []
Running 3000 sub problems to find dead transitions.
[2024-05-24 07:12:42] [INFO ] Invariant cache hit.
[2024-05-24 07:12:42] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
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(s1364timeout
5.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 61538ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 61568ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 63871 ms. Remains : 2500/2500 places, 4001/4001 transitions.
Interrupted Random walk after 1054117 steps, including 0 resets, run timeout after 30004 ms. (steps per millisecond=35 )
Interrupted Random directed walk after 375223 steps, including 0 resets, run timeout after 30071 ms. (steps per millisecond=12 )
[2024-05-24 07:14:44] [INFO ] Invariant cache hit.
[2024-05-24 07:14:44] [INFO ] [Real]Absence check using 500 positive place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 2501/2501 places, 4001/4001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2500 transition count 4001
Applied a total of 1 rules in 40 ms. Remains 2500 /2501 variables (removed 1) and now considering 4001/4001 (removed 0) transitions.
Running 3000 sub problems to find dead transitions.
[2024-05-24 07:14:44] [INFO ] Invariant cache hit.
[2024-05-24 07:14:44] [INFO ] State equation strengthened by 500 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 41280ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 41305ms
[2024-05-24 07:15:26] [INFO ] Invariant cache hit.
[2024-05-24 07:15:26] [INFO ] Implicit Places using invariants in 397 ms returned []
[2024-05-24 07:15:26] [INFO ] Invariant cache hit.
[2024-05-24 07:15:27] [INFO ] State equation strengthened by 500 read => feed constraints.
[2024-05-24 07:15:27] [INFO ] Implicit Places using invariants and state equation in 1551 ms returned []
Implicit Place search using SMT with State Equation took 1951 ms to find 0 implicit places.
Running 3000 sub problems to find dead transitions.
[2024-05-24 07:15:28] [INFO ] Invariant cache hit.
[2024-05-24 07:15:28] [INFO ] State equation strengthened by 500 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 61199ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 61223ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2501 places, 4001/4001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 104530 ms. Remains : 2500/2501 places, 4001/4001 transitions.
Discarding 2000 transitions out of 4001. Remains 2001
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40475 steps (8 resets) in 1249 ms. (32 steps per ms) remains 1843/2000 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 22 ms. (5 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1843/1843 properties
Probabilistic random walk after 21069 steps, saw 21039 distinct states, run finished after 3123 ms. (steps per millisecond=6 ) properties seen :450
[2024-05-24 07:16:32] [INFO ] Invariant cache hit.
[2024-05-24 07:16:32] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1393/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1393 unsolved in 5029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 1393/1393 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1393/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1393 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/1393 constraints, Known Traps: 0/0 constraints]
After SMT, in 10667ms problems are : Problem set: 0 solved, 1393 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1393 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 4001/4001 transitions.
Graph (complete) has 6000 edges and 2500 vertex of which 2485 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.8 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions (Output transitions of discarded places.) removed 24 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2485 transition count 3976
Applied a total of 2 rules in 147 ms. Remains 2485 /2500 variables (removed 15) and now considering 3976/4001 (removed 25) transitions.
Running 2982 sub problems to find dead transitions.
// Phase 1: matrix 3976 rows 2485 cols
[2024-05-24 07:16:43] [INFO ] Computed 497 invariants in 16 ms
[2024-05-24 07:16:43] [INFO ] State equation strengthened by 497 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1988/6461 variables, and 0 constraints, problems are : Problem set: 0 solved, 2982 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/497 constraints, State Equation: 0/2485 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 2982/2982 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2982 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1988/6461 variables, and 0 constraints, problems are : Problem set: 0 solved, 2982 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 0/497 constraints, State Equation: 0/2485 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 0/2982 constraints, Known Traps: 0/0 constraints]
After SMT, in 41208ms problems are : Problem set: 0 solved, 2982 unsolved
Search for dead transitions found 0 dead transitions in 41235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41387 ms. Remains : 2485/2500 places, 3976/4001 transitions.
RANDOM walk for 4000241 steps (8 resets) in 97251 ms. (41 steps per ms) remains 0/1393 properties
Able to resolve query QuasiLiveness after proving 2001 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 2501/2501 places, 4001/4001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2500 transition count 4001
Applied a total of 1 rules in 28 ms. Remains 2500 /2501 variables (removed 1) and now considering 4001/4001 (removed 0) transitions.
Running 3000 sub problems to find dead transitions.
// Phase 1: matrix 4001 rows 2500 cols
[2024-05-24 07:17:50] [INFO ] Computed 500 invariants in 20 ms
[2024-05-24 07:17:50] [INFO ] State equation strengthened by 500 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20038 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 41221ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 41245ms
[2024-05-24 07:18:31] [INFO ] Invariant cache hit.
[2024-05-24 07:18:31] [INFO ] Implicit Places using invariants in 378 ms returned []
[2024-05-24 07:18:31] [INFO ] Invariant cache hit.
[2024-05-24 07:18:33] [INFO ] State equation strengthened by 500 read => feed constraints.
[2024-05-24 07:18:33] [INFO ] Implicit Places using invariants and state equation in 1467 ms returned []
Implicit Place search using SMT with State Equation took 1846 ms to find 0 implicit places.
Running 3000 sub problems to find dead transitions.
[2024-05-24 07:18:33] [INFO ] Invariant cache hit.
[2024-05-24 07:18:33] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints]
After SMT, in 61168ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 61192ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2501 places, 4001/4001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 104321 ms. Remains : 2500/2501 places, 4001/4001 transitions.
Discarding 2000 transitions out of 4001. Remains 2001
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 :2001 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 2001 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 457187 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running JoinFreeModules-PT-0500

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: 2501
TRANSITIONS: 4001
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.077s, Sys 0.004s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.013s, 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: 651
MODEL NAME: /home/mcc/execution/model
2501 places, 4001 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..

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="JoinFreeModules-PT-0500"
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 JoinFreeModules-PT-0500, 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 r232-tall-171649621500044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0500.tgz
mv JoinFreeModules-PT-0500 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 ;