fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r245-tall-171654349500269
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for Murphy-COL-D3N050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
578.936 11883.00 24348.00 79.90 8 12 12 204 204 204 204 204 8 204 8 12 202 204 8 204 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-171654349500269.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 Murphy-COL-D3N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-171654349500269
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 6.6K Apr 11 23:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 11 23:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 11 23:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 11 23:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K May 6 10:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K 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 16K May 6 10:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 23:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Apr 11 23:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 11 23:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Apr 11 23:10 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 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 20K 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 Murphy-COL-D3N050-UpperBounds-00
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-01
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-02
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-03
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-04
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-05
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-06
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-07
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-08
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-09
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-10
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-11
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-12
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-13
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-14
FORMULA_NAME Murphy-COL-D3N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716653895304

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-COL-D3N050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-25 16:18:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-25 16:18:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 16:18:16] [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.
[2024-05-25 16:18:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-25 16:18:17] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 542 ms
[2024-05-25 16:18:17] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 24 PT places and 28.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Reduction of identical properties reduced properties to check from 16 to 5
[2024-05-25 16:18:17] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 27 arcs in 3 ms.
[2024-05-25 16:18:17] [INFO ] Skeletonized 5 HLPN properties in 0 ms.
// Phase 1: matrix 7 rows 6 cols
[2024-05-25 16:18:17] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, 204, 204, 204]
[2024-05-25 16:18:17] [INFO ] Invariant cache hit.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-25 16:18:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-25 16:18:17] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:17] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 10 ms.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 8 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:17] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 3 ms.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:18:17] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 2 ms.
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Added 2 Read/Feed constraints in 0 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:18:17] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 2 ms.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:18:17] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 2 ms.
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 12 ms.
[2024-05-25 16:18:17] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 2 ms.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Added 2 Read/Feed constraints in 0 ms returned sat
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:18:17] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, 204, 204, 204]
Arc [0:1*[(MOD (ADD $x 1) 4)]] contains successor/predecessor on variables of sort CD
[2024-05-25 16:18:17] [INFO ] Unfolded HLPN to a Petri net with 24 places and 28 transitions 108 arcs in 11 ms.
[2024-05-25 16:18:17] [INFO ] Unfolded 5 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, 204, 204, 204]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, 204, 204, 204]
// Phase 1: matrix 28 rows 24 cols
[2024-05-25 16:18:17] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 12, 4, 4, 200] Max Struct:[+inf, +inf, 204, 204, 204]
RANDOM walk for 10010 steps (2 resets) in 26 ms. (370 steps per ms)
FORMULA Murphy-COL-D3N050-UpperBounds-05 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-07 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-09 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-13 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-04 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-06 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-15 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Murphy-COL-D3N050-UpperBounds-03 204 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30002 steps (6 resets) in 37 ms. (789 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
[2024-05-25 16:18:17] [INFO ] Invariant cache hit.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:18:17] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 16:18:17] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] Deduced a trap composed of 2 places in 19 ms of which 6 ms to minimize.
[2024-05-25 16:18:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2024-05-25 16:18:17] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:17] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:17] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:18:18] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:18:18] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:18:18] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:18] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:18:18] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:18] [INFO ] Added : 11 causal constraints over 4 iterations in 15 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Support contains 12 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 6 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2024-05-25 16:18:18] [INFO ] Invariant cache hit.
[2024-05-25 16:18:18] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 37 constraints, problems are : Problem set: 0 solved, 16 unsolved in 213 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 53 constraints, problems are : Problem set: 0 solved, 16 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 421ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 428ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 449 ms. Remains : 24/24 places, 28/28 transitions.
Found an invariant !
This invariant on transitions {13=1, 17=1, 25=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 3) seen :[8, 12, 200]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
[2024-05-25 16:18:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
RANDOM walk for 1000021 steps (2 resets) in 515 ms. (1938 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 1336 ms. (2243 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
[2024-05-25 16:18:20] [INFO ] Invariant cache hit.
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-05-25 16:18:20] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 16:18:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] Deduced a trap composed of 2 places in 14 ms of which 1 ms to minimize.
[2024-05-25 16:18:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 18 ms
[2024-05-25 16:18:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:18:20] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:20] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:18:20] [INFO ] Added : 11 causal constraints over 4 iterations in 28 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Support contains 12 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 24/24 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2024-05-25 16:18:20] [INFO ] Invariant cache hit.
[2024-05-25 16:18:20] [INFO ] Implicit Places using invariants in 39 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 43 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 45 ms. Remains : 20/24 places, 28/28 transitions.
Found an invariant !
This invariant on transitions {14=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :[8, 12, 200]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
// Phase 1: matrix 28 rows 20 cols
[2024-05-25 16:18:21] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
RANDOM walk for 1000052 steps (2 resets) in 402 ms. (2481 steps per ms)
BEST_FIRST walk for 3000002 steps (6 resets) in 1062 ms. (2822 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
[2024-05-25 16:18:22] [INFO ] Invariant cache hit.
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:18:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 16:18:22] [INFO ] [Real]Added 8 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:18:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-25 16:18:22] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Real]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:22] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Real]Added 8 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:18:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:18:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:18:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:18:22] [INFO ] Added : 8 causal constraints over 4 iterations in 15 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2024-05-25 16:18:22] [INFO ] Invariant cache hit.
[2024-05-25 16:18:22] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-25 16:18:22] [INFO ] Invariant cache hit.
[2024-05-25 16:18:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 16:18:22] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2024-05-25 16:18:22] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2024-05-25 16:18:22] [INFO ] Invariant cache hit.
[2024-05-25 16:18:22] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 16 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 45 constraints, problems are : Problem set: 0 solved, 16 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 299ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 301ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 358 ms. Remains : 20/20 places, 28/28 transitions.
Found an invariant !
This invariant on transitions {14=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {13=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 3) seen :[8, 12, 200]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 12, 202] Max Struct:[+inf, +inf, 204]
RANDOM walk for 40014 steps (8 resets) in 323 ms. (123 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 471933 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 4
Probabilistic random walk after 471933 steps, saw 320968 distinct states, run finished after 3004 ms. (steps per millisecond=157 ) properties seen :0
[2024-05-25 16:18:26] [INFO ] Invariant cache hit.
[2024-05-25 16:18:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 16:18:26] [INFO ] Deduced a trap composed of 2 places in 16 ms of which 1 ms to minimize.
[2024-05-25 16:18:26] [INFO ] Deduced a trap composed of 2 places in 18 ms of which 1 ms to minimize.
[2024-05-25 16:18:26] [INFO ] Deduced a trap composed of 2 places in 13 ms of which 1 ms to minimize.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/16 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-25 16:18:26] [INFO ] Deduced a trap composed of 4 places in 15 ms of which 1 ms to minimize.
Problem MAX2 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 28/44 variables, 16/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 8/29 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 4/48 variables, 4/33 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/48 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 33 constraints, problems are : Problem set: 1 solved, 3 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/16 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 28/44 variables, 16/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 8/29 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MIN2 is UNSAT
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 1/30 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/48 variables, 4/34 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 36 constraints, problems are : Problem set: 2 solved, 2 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 4/4 constraints]
After SMT, in 211ms problems are : Problem set: 2 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 37 ms.
Support contains 8 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 12 transition count 16
Applied a total of 5 rules in 11 ms. Remains 12 /20 variables (removed 8) and now considering 16/28 (removed 12) transitions.
Running 12 sub problems to find dead transitions.
// Phase 1: matrix 16 rows 12 cols
[2024-05-25 16:18:26] [INFO ] Computed 0 invariants in 1 ms
[2024-05-25 16:18:26] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 16 constraints, problems are : Problem set: 0 solved, 12 unsolved in 93 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 92 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 190ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 12/20 places, 16/28 transitions.
RANDOM walk for 40000 steps (8 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
Probably explored full state space saw : 1296 states, properties seen :0
Probabilistic random walk after 8208 steps, saw 1296 distinct states, run finished after 19 ms. (steps per millisecond=432 ) properties seen :0
Explored full state space saw : 1296 states, properties seen :0
Exhaustive walk after 8208 steps, saw 1296 distinct states, run finished after 12 ms. (steps per millisecond=684 ) properties seen :0
FORMULA Murphy-COL-D3N050-UpperBounds-12 202 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-02 12 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-11 12 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-01 12 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-08 8 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-10 8 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-14 8 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-COL-D3N050-UpperBounds-00 8 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 3 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 10706 ms.
ITS solved all properties within timeout

BK_STOP 1716653907187

--------------------
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 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="Murphy-COL-D3N050"
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 Murphy-COL-D3N050, 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-171654349500269"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-COL-D3N050.tgz
mv Murphy-COL-D3N050 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 ;