MCC'2024- Execution of r245-tall-171654350500725

About the Execution of GreatSPN+red for PGCD-COL-D04N050

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
470.323	8831.00	19066.00	94.50	255 255 255 253 255 253 253 253 255 253 255 253 253 253 255 255	normal

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.r245-tall-171654350500725.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 greatspnxred
Input is PGCD-COL-D04N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-171654350500725
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 368K
-rw-r--r-- 1 mcc users 6.0K Apr 11 15:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Apr 11 15:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 11 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 11 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 6 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 6 10:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 6 10:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 6 10:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 11 15:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Apr 11 15:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Apr 11 15:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Apr 11 15:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 6 10:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 6 10:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 11K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-00
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-01
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-02
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-03
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-04
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-05
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-06
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-07
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-08
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-09
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-10
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-11
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-12
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-13
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-14
FORMULA_NAME PGCD-COL-D04N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716704823186

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-COL-D04N050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-26 06:27:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-26 06:27:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-26 06:27:04] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-26 06:27:04] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-26 06:27:04] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 532 ms
[2024-05-26 06:27:04] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 15 PT places and 15.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 3
[2024-05-26 06:27:04] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 3 ms.
[2024-05-26 06:27:04] [INFO ] Skeletonized 3 HLPN properties in 0 ms.
// Phase 1: matrix 3 rows 3 cols
[2024-05-26 06:27:04] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[5, 250, 5] Max Struct:[255, 255, 255]
[2024-05-26 06:27:05] [INFO ] Invariant cache hit.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:05] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:05] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 3 ms.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:05] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[5, 250, 5] Max Struct:[255, 255, 255]
Arc [1:1*[(MOD (ADD $x 1) 5)]] contains successor/predecessor on variables of sort CD
[2024-05-26 06:27:05] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 10 ms.
[2024-05-26 06:27:05] [INFO ] Unfolded 3 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[5, 250, 5] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[5, 250, 5] Max Struct:[255, 255, 255]
Current structural bounds on expressions (Before main loop) : Max Seen:[5, 250, 5] Max Struct:[255, 255, 255]
// Phase 1: matrix 15 rows 15 cols
[2024-05-26 06:27:05] [INFO ] Computed 6 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, 250, 5] Max Struct:[255, 255, 255]
RANDOM walk for 10006 steps (2 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 30003 steps (6 resets) in 42 ms. (697 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221, 253, 221] Max Struct:[255, 255, 255]
[2024-05-26 06:27:05] [INFO ] Invariant cache hit.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2024-05-26 06:27:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-26 06:27:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-26 06:27:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 6 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 06:27:05] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 14 ms.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2024-05-26 06:27:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:05] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2024-05-26 06:27:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-26 06:27:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2024-05-26 06:27:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:05] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221, 253, 221] Max Struct:[255, 255, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[254, 253, 254] Max Struct:[255, 255, 255]
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 7 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2024-05-26 06:27:06] [INFO ] Invariant cache hit.
[2024-05-26 06:27:06] [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 118 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 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]
After SMT, in 212ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 313ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 329 ms. Remains : 15/15 places, 15/15 transitions.
[2024-05-26 06:27:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[254, 253, 254] Max Struct:[255, 255, 255]
RANDOM walk for 1000034 steps (2 resets) in 222 ms. (4484 steps per ms)
FORMULA PGCD-COL-D04N050-UpperBounds-08 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-10 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-14 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-15 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-04 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-01 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-02 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PGCD-COL-D04N050-UpperBounds-00 255 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000001 steps (4 resets) in 727 ms. (2747 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[253] Max Struct:[255]
[2024-05-26 06:27:07] [INFO ] Invariant cache hit.
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-26 06:27:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-26 06:27:07] [INFO ] [Real]Added 5 Read/Feed constraints in 36 ms returned sat
[2024-05-26 06:27:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Added 5 Read/Feed constraints in 0 ms returned sat
[2024-05-26 06:27:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:07] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[253] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[253] Max Struct:[255]
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 15/15 transitions.
[2024-05-26 06:27:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[253] Max Struct:[255]
RANDOM walk for 1000045 steps (2 resets) in 169 ms. (5882 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 309 ms. (3225 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[253] Max Struct:[255]
[2024-05-26 06:27:07] [INFO ] Invariant cache hit.
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 06:27:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-26 06:27:07] [INFO ] [Real]Added 5 Read/Feed constraints in 6 ms returned sat
[2024-05-26 06:27:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-26 06:27:07] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2024-05-26 06:27:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 06:27:07] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[253] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[253] Max Struct:[255]
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY 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.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in REACHABILITY 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.
[2024-05-26 06:27:07] [INFO ] Invariant cache hit.
[2024-05-26 06:27:07] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 36 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY 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 REACHABILITY mode , in 2 iterations and 38 ms. Remains : 10/15 places, 15/15 transitions.
// Phase 1: matrix 15 rows 10 cols
[2024-05-26 06:27:07] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[253] Max Struct:[255]
RANDOM walk for 1000062 steps (2 resets) in 152 ms. (6536 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 259 ms. (3846 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[253] Max Struct:[255]
[2024-05-26 06:27:08] [INFO ] Invariant cache hit.
[2024-05-26 06:27:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 06:27:08] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-26 06:27:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-26 06:27:08] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2024-05-26 06:27:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 06:27:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 06:27:08] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 06:27:08] [INFO ] [Nat]Added 5 Read/Feed constraints in 0 ms returned sat
[2024-05-26 06:27:08] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 06:27:08] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[253] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[253] Max Struct:[255]
Support contains 5 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 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 REACHABILITY mode , in 1 iterations and 1 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 4 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2024-05-26 06:27:08] [INFO ] Invariant cache hit.
[2024-05-26 06:27:08] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 06:27:08] [INFO ] Invariant cache hit.
[2024-05-26 06:27:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-26 06:27:08] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2024-05-26 06:27:08] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2024-05-26 06:27:08] [INFO ] Invariant cache hit.
[2024-05-26 06:27:08] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 108ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40119 steps (8 resets) in 129 ms. (308 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 812891 steps, run timeout after 3001 ms. (steps per millisecond=270 ) properties seen :0 out of 2
Probabilistic random walk after 812891 steps, saw 474952 distinct states, run finished after 3010 ms. (steps per millisecond=270 ) properties seen :0
[2024-05-26 06:27:11] [INFO ] Invariant cache hit.
[2024-05-26 06:27:11] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 06:27:11] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 10 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 1 solved, 1 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem MIN0 is UNSAT
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 2 solved, 0 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 138ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA PGCD-COL-D04N050-UpperBounds-05 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-06 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-07 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-09 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-11 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-12 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-13 253 TECHNIQUES REACHABILITY_MIN
FORMULA PGCD-COL-D04N050-UpperBounds-03 253 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 7709 ms.
ITS solved all properties within timeout

BK_STOP 1716704832017

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -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-COL-D04N050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is PGCD-COL-D04N050, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r245-tall-171654350500725"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D04N050.tgz
mv PGCD-COL-D04N050 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;