Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r105-tall-167814480900213.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool ltsminxred
Input is DBSingleClientW-PT-d0m08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r105-tall-167814480900213
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 15:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Feb 26 15:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 26 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 119K Mar 5 18:22 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 DBSingleClientW-PT-d0m08-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d0m08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678265295388

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=DBSingleClientW-PT-d0m08
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-08 08:48:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-08 08:48:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 08:48:17] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2023-03-08 08:48:17] [INFO ] Transformed 553 places.
[2023-03-08 08:48:17] [INFO ] Transformed 150 transitions.
[2023-03-08 08:48:17] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 160 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 444 places in 1 ms
Reduce places removed 444 places and 0 transitions.
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 150 rows 109 cols
[2023-03-08 08:48:17] [INFO ] Computed 6 place invariants in 22 ms
Incomplete random walk after 10000 steps, including 2262 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 1009 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 1000 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :0
[2023-03-08 08:48:17] [INFO ] Invariant cache hit.
[2023-03-08 08:48:17] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2023-03-08 08:48:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned unsat
[2023-03-08 08:48:17] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 08:48:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2023-03-08 08:48:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:17] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2023-03-08 08:48:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-08 08:48:17] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2023-03-08 08:48:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:17] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2023-03-08 08:48:17] [INFO ] State equation strengthened by 74 read => feed constraints.
[2023-03-08 08:48:18] [INFO ] [Nat]Added 74 Read/Feed constraints in 13 ms returned sat
[2023-03-08 08:48:18] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 3 ms to minimize.
[2023-03-08 08:48:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2023-03-08 08:48:18] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 19 ms.
[2023-03-08 08:48:18] [INFO ] Added : 6 causal constraints over 2 iterations in 54 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : [1, 56] Max seen :[1, 0]
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 1 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 150/150 transitions.
Graph (complete) has 332 edges and 109 vertex of which 101 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 101 transition count 137
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 38 place count 77 transition count 95
Iterating global reduction 1 with 24 rules applied. Total rules applied 62 place count 77 transition count 95
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 63 place count 77 transition count 94
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 75 place count 65 transition count 82
Iterating global reduction 2 with 12 rules applied. Total rules applied 87 place count 65 transition count 82
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 89 place count 65 transition count 80
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 92 place count 62 transition count 74
Iterating global reduction 3 with 3 rules applied. Total rules applied 95 place count 62 transition count 74
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 96 place count 62 transition count 73
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 98 place count 60 transition count 70
Iterating global reduction 4 with 2 rules applied. Total rules applied 100 place count 60 transition count 70
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 102 place count 58 transition count 68
Iterating global reduction 4 with 2 rules applied. Total rules applied 104 place count 58 transition count 68
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 106 place count 58 transition count 66
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 107 place count 57 transition count 65
Iterating global reduction 5 with 1 rules applied. Total rules applied 108 place count 57 transition count 65
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 110 place count 57 transition count 63
Applied a total of 110 rules in 45 ms. Remains 57 /109 variables (removed 52) and now considering 63/150 (removed 87) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 57/109 places, 63/150 transitions.
// Phase 1: matrix 63 rows 57 cols
[2023-03-08 08:48:18] [INFO ] Computed 2 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 229403 resets, run finished after 711 ms. (steps per millisecond=1406 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 102271 resets, run finished after 453 ms. (steps per millisecond=2207 ) properties (out of 1) seen :1
[2023-03-08 08:48:19] [INFO ] Invariant cache hit.
[2023-03-08 08:48:19] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2023-03-08 08:48:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:19] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-03-08 08:48:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:19] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:19] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-08 08:48:19] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:19] [INFO ] [Nat]Added 19 Read/Feed constraints in 4 ms returned sat
[2023-03-08 08:48:19] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 44 transitions) in 9 ms.
[2023-03-08 08:48:19] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 1 ms to minimize.
[2023-03-08 08:48:19] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2023-03-08 08:48:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 98 ms
[2023-03-08 08:48:19] [INFO ] Added : 7 causal constraints over 3 iterations in 137 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : [56] Max seen :[1]
Support contains 1 out of 57 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 5 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 57/57 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2023-03-08 08:48:19] [INFO ] Invariant cache hit.
[2023-03-08 08:48:19] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-08 08:48:19] [INFO ] Invariant cache hit.
[2023-03-08 08:48:19] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:19] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2023-03-08 08:48:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 08:48:19] [INFO ] Invariant cache hit.
[2023-03-08 08:48:19] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 57/57 places, 63/63 transitions.
[2023-03-08 08:48:19] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 229337 resets, run finished after 693 ms. (steps per millisecond=1443 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 101787 resets, run finished after 338 ms. (steps per millisecond=2958 ) properties (out of 1) seen :1
[2023-03-08 08:48:20] [INFO ] Invariant cache hit.
[2023-03-08 08:48:20] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:21] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2023-03-08 08:48:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:21] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2023-03-08 08:48:21] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:21] [INFO ] [Nat]Added 19 Read/Feed constraints in 3 ms returned sat
[2023-03-08 08:48:21] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 44 transitions) in 13 ms.
[2023-03-08 08:48:21] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 1 ms to minimize.
[2023-03-08 08:48:21] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2023-03-08 08:48:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 102 ms
[2023-03-08 08:48:21] [INFO ] Added : 7 causal constraints over 3 iterations in 140 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : [56] Max seen :[1]
Support contains 1 out of 57 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 57/57 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
[2023-03-08 08:48:21] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
[2023-03-08 08:48:21] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:21] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
[2023-03-08 08:48:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
[2023-03-08 08:48:21] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 57/57 places, 63/63 transitions.
Starting property specific reduction for DBSingleClientW-PT-d0m08-UpperBounds-08
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2301 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 1032 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
[2023-03-08 08:48:21] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:21] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-08 08:48:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:21] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-08 08:48:21] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:21] [INFO ] [Nat]Added 19 Read/Feed constraints in 2 ms returned sat
[2023-03-08 08:48:21] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 44 transitions) in 6 ms.
[2023-03-08 08:48:21] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 0 ms to minimize.
[2023-03-08 08:48:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2023-03-08 08:48:21] [INFO ] Added : 5 causal constraints over 3 iterations in 74 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 57 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 57/57 places, 63/63 transitions.
[2023-03-08 08:48:21] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 229107 resets, run finished after 632 ms. (steps per millisecond=1582 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000000 steps, including 101529 resets, run finished after 343 ms. (steps per millisecond=2915 ) properties (out of 1) seen :1
[2023-03-08 08:48:22] [INFO ] Invariant cache hit.
[2023-03-08 08:48:22] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:22] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-08 08:48:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:22] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:22] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-08 08:48:22] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:22] [INFO ] [Nat]Added 19 Read/Feed constraints in 3 ms returned sat
[2023-03-08 08:48:22] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 44 transitions) in 5 ms.
[2023-03-08 08:48:22] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 0 ms to minimize.
[2023-03-08 08:48:22] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 0 ms to minimize.
[2023-03-08 08:48:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 89 ms
[2023-03-08 08:48:22] [INFO ] Added : 7 causal constraints over 3 iterations in 126 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 57 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 6 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 57/57 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 5 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2023-03-08 08:48:22] [INFO ] Invariant cache hit.
[2023-03-08 08:48:22] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-08 08:48:22] [INFO ] Invariant cache hit.
[2023-03-08 08:48:23] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:23] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2023-03-08 08:48:23] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-08 08:48:23] [INFO ] Invariant cache hit.
[2023-03-08 08:48:23] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 230 ms. Remains : 57/57 places, 63/63 transitions.
[2023-03-08 08:48:23] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 228894 resets, run finished after 615 ms. (steps per millisecond=1626 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 1000001 steps, including 101774 resets, run finished after 318 ms. (steps per millisecond=3144 ) properties (out of 1) seen :1
[2023-03-08 08:48:24] [INFO ] Invariant cache hit.
[2023-03-08 08:48:24] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:24] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2023-03-08 08:48:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 08:48:24] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-08 08:48:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 08:48:24] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-08 08:48:24] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:24] [INFO ] [Nat]Added 19 Read/Feed constraints in 2 ms returned sat
[2023-03-08 08:48:24] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 44 transitions) in 5 ms.
[2023-03-08 08:48:24] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 1 ms to minimize.
[2023-03-08 08:48:24] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 1 ms to minimize.
[2023-03-08 08:48:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 106 ms
[2023-03-08 08:48:24] [INFO ] Added : 7 causal constraints over 3 iterations in 135 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 57 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 3 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 57/57 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 57/57 places, 63/63 transitions.
Applied a total of 0 rules in 4 ms. Remains 57 /57 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2023-03-08 08:48:24] [INFO ] Invariant cache hit.
[2023-03-08 08:48:24] [INFO ] Implicit Places using invariants in 49 ms returned []
[2023-03-08 08:48:24] [INFO ] Invariant cache hit.
[2023-03-08 08:48:24] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-08 08:48:24] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
[2023-03-08 08:48:24] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-08 08:48:24] [INFO ] Invariant cache hit.
[2023-03-08 08:48:24] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 57/57 places, 63/63 transitions.
Ending property specific reduction for DBSingleClientW-PT-d0m08-UpperBounds-08 in 3091 ms.
[2023-03-08 08:48:24] [INFO ] Flatten gal took : 30 ms
[2023-03-08 08:48:24] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-08 08:48:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 57 places, 63 transitions and 248 arcs took 1 ms.
Total runtime 7491 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/585/ub_0_
FORMULA DBSingleClientW-PT-d0m08-UpperBounds-08 3 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678265306711

--------------------
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 DBSingleClientW-PT-d0m08-UpperBounds-08
ub formula formula --maxsum=/tmp/585/ub_0_
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 57 places, 63 transitions and 248 arcs
pnml2lts-sym: Petri net DBSingleClientW_PT_d0m08 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: 63->59 groups
pnml2lts-sym: Regrouping took 0.010 real 0.000 user 0.000 sys
pnml2lts-sym: state vector length is 57; there are 59 groups
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 80542 group checks and 0 next state calls
pnml2lts-sym: reachability took 0.790 real 3.120 user 0.030 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 2280080 states, 11571 nodes
pnml2lts-sym: Maximum sum of /tmp/585/ub_0_ is: 3
pnml2lts-sym: group_next: 1121 nodes total
pnml2lts-sym: group_explored: 1433 nodes, 1742 short vectors total
pnml2lts-sym: max token count: 8

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="DBSingleClientW-PT-d0m08"
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 DBSingleClientW-PT-d0m08, 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 r105-tall-167814480900213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m08.tgz
mv DBSingleClientW-PT-d0m08 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 ;