Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r425-tajo-167905978200453.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d2m04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r425-tajo-167905978200453
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 10:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 10:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 10:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 10:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 186K Feb 26 10:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Feb 26 10:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Feb 26 10:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.1M Mar 5 18:23 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 SieveSingleMsgMbox-PT-d2m04-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d2m04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679317745585

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d2m04
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 13:09:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-20 13:09:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 13:09:07] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2023-03-20 13:09:07] [INFO ] Transformed 2398 places.
[2023-03-20 13:09:07] [INFO ] Transformed 1954 transitions.
[2023-03-20 13:09:07] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 217 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 1984 places in 21 ms
Reduce places removed 1984 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 1954 rows 414 cols
[2023-03-20 13:09:07] [INFO ] Computed 6 place invariants in 69 ms
Incomplete random walk after 10000 steps, including 2186 resets, run finished after 226 ms. (steps per millisecond=44 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 946 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 964 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 2) seen :0
[2023-03-20 13:09:08] [INFO ] Invariant cache hit.
[2023-03-20 13:09:08] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2023-03-20 13:09:08] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-20 13:09:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:08] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2023-03-20 13:09:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:09:08] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-20 13:09:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:09] [INFO ] [Nat]Absence check using state equation in 324 ms returned sat
[2023-03-20 13:09:09] [INFO ] State equation strengthened by 1674 read => feed constraints.
[2023-03-20 13:09:09] [INFO ] [Nat]Added 1674 Read/Feed constraints in 378 ms returned sat
[2023-03-20 13:09:09] [INFO ] Deduced a trap composed of 30 places in 247 ms of which 4 ms to minimize.
[2023-03-20 13:09:10] [INFO ] Deduced a trap composed of 25 places in 242 ms of which 1 ms to minimize.
[2023-03-20 13:09:10] [INFO ] Deduced a trap composed of 98 places in 225 ms of which 0 ms to minimize.
[2023-03-20 13:09:10] [INFO ] Deduced a trap composed of 102 places in 225 ms of which 1 ms to minimize.
[2023-03-20 13:09:11] [INFO ] Deduced a trap composed of 143 places in 203 ms of which 1 ms to minimize.
[2023-03-20 13:09:11] [INFO ] Deduced a trap composed of 247 places in 234 ms of which 1 ms to minimize.
[2023-03-20 13:09:11] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1989 ms
[2023-03-20 13:09:11] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 302 ms.
[2023-03-20 13:09:12] [INFO ] Added : 19 causal constraints over 4 iterations in 884 ms. Result :sat
Minimization took 474 ms.
[2023-03-20 13:09:13] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:09:13] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-20 13:09:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:13] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2023-03-20 13:09:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:09:13] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-20 13:09:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:13] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2023-03-20 13:09:14] [INFO ] [Nat]Added 1674 Read/Feed constraints in 615 ms returned sat
[2023-03-20 13:09:14] [INFO ] Deduced a trap composed of 282 places in 165 ms of which 0 ms to minimize.
[2023-03-20 13:09:14] [INFO ] Deduced a trap composed of 25 places in 186 ms of which 1 ms to minimize.
[2023-03-20 13:09:15] [INFO ] Deduced a trap composed of 141 places in 84 ms of which 1 ms to minimize.
[2023-03-20 13:09:15] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 686 ms
[2023-03-20 13:09:15] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 229 ms.
[2023-03-20 13:09:15] [INFO ] Added : 19 causal constraints over 4 iterations in 741 ms. Result :sat
Minimization took 429 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1954/1954 transitions.
Graph (complete) has 2618 edges and 414 vertex of which 388 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.6 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 830 transitions.
Iterating post reduction 0 with 830 rules applied. Total rules applied 831 place count 388 transition count 1124
Discarding 118 places :
Symmetric choice reduction at 1 with 118 rule applications. Total rules 949 place count 270 transition count 373
Iterating global reduction 1 with 118 rules applied. Total rules applied 1067 place count 270 transition count 373
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 1077 place count 270 transition count 363
Discarding 91 places :
Symmetric choice reduction at 2 with 91 rule applications. Total rules 1168 place count 179 transition count 272
Iterating global reduction 2 with 91 rules applied. Total rules applied 1259 place count 179 transition count 272
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 2 with 34 rules applied. Total rules applied 1293 place count 179 transition count 238
Discarding 39 places :
Symmetric choice reduction at 3 with 39 rule applications. Total rules 1332 place count 140 transition count 184
Iterating global reduction 3 with 39 rules applied. Total rules applied 1371 place count 140 transition count 184
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 3 with 24 rules applied. Total rules applied 1395 place count 140 transition count 160
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 1404 place count 131 transition count 147
Iterating global reduction 4 with 9 rules applied. Total rules applied 1413 place count 131 transition count 147
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 1422 place count 122 transition count 138
Iterating global reduction 4 with 9 rules applied. Total rules applied 1431 place count 122 transition count 138
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 1436 place count 117 transition count 132
Iterating global reduction 4 with 5 rules applied. Total rules applied 1441 place count 117 transition count 132
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1443 place count 117 transition count 130
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 1448 place count 112 transition count 125
Iterating global reduction 5 with 5 rules applied. Total rules applied 1453 place count 112 transition count 125
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 1456 place count 109 transition count 122
Iterating global reduction 5 with 3 rules applied. Total rules applied 1459 place count 109 transition count 122
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1460 place count 108 transition count 121
Iterating global reduction 5 with 1 rules applied. Total rules applied 1461 place count 108 transition count 121
Applied a total of 1461 rules in 102 ms. Remains 108 /414 variables (removed 306) and now considering 121/1954 (removed 1833) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102 ms. Remains : 108/414 places, 121/1954 transitions.
// Phase 1: matrix 121 rows 108 cols
[2023-03-20 13:09:16] [INFO ] Computed 4 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 224656 resets, run finished after 1051 ms. (steps per millisecond=951 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103167 resets, run finished after 538 ms. (steps per millisecond=1858 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103543 resets, run finished after 512 ms. (steps per millisecond=1953 ) properties (out of 2) seen :0
[2023-03-20 13:09:18] [INFO ] Invariant cache hit.
[2023-03-20 13:09:18] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:18] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-20 13:09:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:18] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-20 13:09:18] [INFO ] State equation strengthened by 45 read => feed constraints.
[2023-03-20 13:09:18] [INFO ] [Nat]Added 45 Read/Feed constraints in 8 ms returned sat
[2023-03-20 13:09:18] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 1 ms to minimize.
[2023-03-20 13:09:18] [INFO ] Deduced a trap composed of 32 places in 27 ms of which 0 ms to minimize.
[2023-03-20 13:09:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
[2023-03-20 13:09:18] [INFO ] Computed and/alt/rep : 29/75/29 causal constraints (skipped 91 transitions) in 8 ms.
[2023-03-20 13:09:19] [INFO ] Added : 22 causal constraints over 5 iterations in 68 ms. Result :sat
Minimization took 28 ms.
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-20 13:09:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Nat]Added 45 Read/Feed constraints in 9 ms returned sat
[2023-03-20 13:09:19] [INFO ] Computed and/alt/rep : 29/75/29 causal constraints (skipped 91 transitions) in 8 ms.
[2023-03-20 13:09:19] [INFO ] Added : 20 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 121/121 transitions.
Applied a total of 0 rules in 7 ms. Remains 108 /108 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 108/108 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 121/121 transitions.
Applied a total of 0 rules in 7 ms. Remains 108 /108 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2023-03-20 13:09:19] [INFO ] Invariant cache hit.
[2023-03-20 13:09:19] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-20 13:09:19] [INFO ] Invariant cache hit.
[2023-03-20 13:09:19] [INFO ] State equation strengthened by 45 read => feed constraints.
[2023-03-20 13:09:19] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 262 ms to find 0 implicit places.
[2023-03-20 13:09:19] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 13:09:19] [INFO ] Invariant cache hit.
[2023-03-20 13:09:19] [INFO ] Dead Transitions using invariants and state equation in 67 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 344 ms. Remains : 108/108 places, 121/121 transitions.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m04-UpperBounds-12
[2023-03-20 13:09:19] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2254 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 1034 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
[2023-03-20 13:09:19] [INFO ] Invariant cache hit.
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:19] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-20 13:09:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:19] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-20 13:09:19] [INFO ] State equation strengthened by 45 read => feed constraints.
[2023-03-20 13:09:19] [INFO ] [Nat]Added 45 Read/Feed constraints in 7 ms returned sat
[2023-03-20 13:09:19] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 1 ms to minimize.
[2023-03-20 13:09:19] [INFO ] Deduced a trap composed of 32 places in 29 ms of which 0 ms to minimize.
[2023-03-20 13:09:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 87 ms
[2023-03-20 13:09:19] [INFO ] Computed and/alt/rep : 29/75/29 causal constraints (skipped 91 transitions) in 7 ms.
[2023-03-20 13:09:19] [INFO ] Added : 22 causal constraints over 5 iterations in 53 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[0]
Support contains 1 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 121/121 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 120
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 120
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 106 transition count 119
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 106 transition count 119
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 106 transition count 118
Applied a total of 5 rules in 12 ms. Remains 106 /108 variables (removed 2) and now considering 118/121 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 106/108 places, 118/121 transitions.
// Phase 1: matrix 118 rows 106 cols
[2023-03-20 13:09:20] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 223979 resets, run finished after 1010 ms. (steps per millisecond=990 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103463 resets, run finished after 498 ms. (steps per millisecond=2008 ) properties (out of 1) seen :0
[2023-03-20 13:09:21] [INFO ] Invariant cache hit.
[2023-03-20 13:09:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:21] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-20 13:09:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:21] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2023-03-20 13:09:21] [INFO ] State equation strengthened by 44 read => feed constraints.
[2023-03-20 13:09:21] [INFO ] [Nat]Added 44 Read/Feed constraints in 13 ms returned sat
[2023-03-20 13:09:21] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 0 ms to minimize.
[2023-03-20 13:09:21] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 0 ms to minimize.
[2023-03-20 13:09:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 109 ms
[2023-03-20 13:09:21] [INFO ] Computed and/alt/rep : 28/74/28 causal constraints (skipped 89 transitions) in 10 ms.
[2023-03-20 13:09:21] [INFO ] Added : 20 causal constraints over 5 iterations in 81 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : [4] Max seen :[0]
Support contains 1 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 118/118 transitions.
Applied a total of 0 rules in 6 ms. Remains 106 /106 variables (removed 0) and now considering 118/118 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 106/106 places, 118/118 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 118/118 transitions.
Applied a total of 0 rules in 5 ms. Remains 106 /106 variables (removed 0) and now considering 118/118 (removed 0) transitions.
[2023-03-20 13:09:21] [INFO ] Invariant cache hit.
[2023-03-20 13:09:22] [INFO ] Implicit Places using invariants in 68 ms returned []
[2023-03-20 13:09:22] [INFO ] Invariant cache hit.
[2023-03-20 13:09:22] [INFO ] State equation strengthened by 44 read => feed constraints.
[2023-03-20 13:09:22] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 244 ms to find 0 implicit places.
[2023-03-20 13:09:22] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 13:09:22] [INFO ] Invariant cache hit.
[2023-03-20 13:09:22] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 319 ms. Remains : 106/106 places, 118/118 transitions.
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m04-UpperBounds-12 in 2604 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m04-UpperBounds-15
// Phase 1: matrix 121 rows 108 cols
[2023-03-20 13:09:22] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 10000 steps, including 2244 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 1056 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
[2023-03-20 13:09:22] [INFO ] Invariant cache hit.
[2023-03-20 13:09:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:22] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-20 13:09:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-03-20 13:09:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:22] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-20 13:09:22] [INFO ] State equation strengthened by 45 read => feed constraints.
[2023-03-20 13:09:22] [INFO ] [Nat]Added 45 Read/Feed constraints in 11 ms returned sat
[2023-03-20 13:09:22] [INFO ] Computed and/alt/rep : 29/75/29 causal constraints (skipped 91 transitions) in 13 ms.
[2023-03-20 13:09:22] [INFO ] Added : 20 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [19] Max seen :[0]
Support contains 1 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 121/121 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 107 transition count 120
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 107 transition count 120
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 107 transition count 119
Applied a total of 3 rules in 9 ms. Remains 107 /108 variables (removed 1) and now considering 119/121 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 107/108 places, 119/121 transitions.
// Phase 1: matrix 119 rows 107 cols
[2023-03-20 13:09:22] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 223980 resets, run finished after 1016 ms. (steps per millisecond=984 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103403 resets, run finished after 479 ms. (steps per millisecond=2087 ) properties (out of 1) seen :0
[2023-03-20 13:09:24] [INFO ] Invariant cache hit.
[2023-03-20 13:09:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-20 13:09:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:24] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2023-03-20 13:09:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:09:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 13:09:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 13:09:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:09:24] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2023-03-20 13:09:24] [INFO ] State equation strengthened by 44 read => feed constraints.
[2023-03-20 13:09:24] [INFO ] [Nat]Added 44 Read/Feed constraints in 11 ms returned sat
[2023-03-20 13:09:24] [INFO ] Computed and/alt/rep : 29/74/29 causal constraints (skipped 89 transitions) in 8 ms.
[2023-03-20 13:09:24] [INFO ] Added : 19 causal constraints over 5 iterations in 51 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : [19] Max seen :[0]
Support contains 1 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 119/119 transitions.
Applied a total of 0 rules in 4 ms. Remains 107 /107 variables (removed 0) and now considering 119/119 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 107/107 places, 119/119 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 119/119 transitions.
Applied a total of 0 rules in 4 ms. Remains 107 /107 variables (removed 0) and now considering 119/119 (removed 0) transitions.
[2023-03-20 13:09:24] [INFO ] Invariant cache hit.
[2023-03-20 13:09:24] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-20 13:09:24] [INFO ] Invariant cache hit.
[2023-03-20 13:09:24] [INFO ] State equation strengthened by 44 read => feed constraints.
[2023-03-20 13:09:24] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2023-03-20 13:09:24] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 13:09:24] [INFO ] Invariant cache hit.
[2023-03-20 13:09:24] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 107/107 places, 119/119 transitions.
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m04-UpperBounds-15 in 2333 ms.
[2023-03-20 13:09:24] [INFO ] Flatten gal took : 36 ms
[2023-03-20 13:09:24] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-20 13:09:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 108 places, 121 transitions and 482 arcs took 2 ms.
Total runtime 17489 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/618/ub_0_ --maxsum=/tmp/618/ub_1_
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-12 0 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA SieveSingleMsgMbox-PT-d2m04-UpperBounds-15 0 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679317765308

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
ub formula name SieveSingleMsgMbox-PT-d2m04-UpperBounds-12
ub formula formula --maxsum=/tmp/618/ub_0_
ub formula name SieveSingleMsgMbox-PT-d2m04-UpperBounds-15
ub formula formula --maxsum=/tmp/618/ub_1_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 108 places, 121 transitions and 482 arcs
pnml2lts-sym: Petri net SieveSingleMsgMbox_PT_d2m04 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 121->119 groups
pnml2lts-sym: Regrouping took 0.020 real 0.020 user 0.000 sys
pnml2lts-sym: state vector length is 108; there are 119 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: Exploration took 3241 group checks and 0 next state calls
pnml2lts-sym: reachability took 0.060 real 0.220 user 0.040 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 924 states, 1516 nodes
pnml2lts-sym: Maximum sum of /tmp/618/ub_0_ is: 0
pnml2lts-sym: Maximum sum of /tmp/618/ub_1_ is: 0
pnml2lts-sym: group_next: 467 nodes total
pnml2lts-sym: group_explored: 1081 nodes, 774 short vectors total
pnml2lts-sym: max token count: 4

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="SieveSingleMsgMbox-PT-d2m04"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d2m04, 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 r425-tajo-167905978200453"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m04.tgz
mv SieveSingleMsgMbox-PT-d2m04 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 ;