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.r233-tall-167856419300717.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 Medical-PT-18, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856419300717
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 6.9K Feb 25 14:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 14:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 14:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 25 14:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Feb 25 14:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 197K Feb 25 14:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 14:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 25 14:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-18-UpperBounds-00
FORMULA_NAME Medical-PT-18-UpperBounds-01
FORMULA_NAME Medical-PT-18-UpperBounds-02
FORMULA_NAME Medical-PT-18-UpperBounds-03
FORMULA_NAME Medical-PT-18-UpperBounds-04
FORMULA_NAME Medical-PT-18-UpperBounds-05
FORMULA_NAME Medical-PT-18-UpperBounds-06
FORMULA_NAME Medical-PT-18-UpperBounds-07
FORMULA_NAME Medical-PT-18-UpperBounds-08
FORMULA_NAME Medical-PT-18-UpperBounds-09
FORMULA_NAME Medical-PT-18-UpperBounds-10
FORMULA_NAME Medical-PT-18-UpperBounds-11
FORMULA_NAME Medical-PT-18-UpperBounds-12
FORMULA_NAME Medical-PT-18-UpperBounds-13
FORMULA_NAME Medical-PT-18-UpperBounds-14
FORMULA_NAME Medical-PT-18-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679587875016

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=Medical-PT-18
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 16:11:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-23 16:11:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 16:11:16] [INFO ] Load time of PNML (sax parser for PT used): 246 ms
[2023-03-23 16:11:16] [INFO ] Transformed 312 places.
[2023-03-23 16:11:16] [INFO ] Transformed 5431 transitions.
[2023-03-23 16:11:17] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 586 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 242 places in 21 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-18-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-18-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 182 out of 227 initially.
// Phase 1: matrix 182 rows 69 cols
[2023-03-23 16:11:17] [INFO ] Computed 10 place invariants in 13 ms
FORMULA Medical-PT-18-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10005 steps, including 36 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :4
FORMULA Medical-PT-18-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Medical-PT-18-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 2) seen :22
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 2) seen :1
[2023-03-23 16:11:17] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 69 cols
[2023-03-23 16:11:17] [INFO ] Computed 10 place invariants in 13 ms
[2023-03-23 16:11:17] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2023-03-23 16:11:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:17] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2023-03-23 16:11:17] [INFO ] State equation strengthened by 56 read => feed constraints.
[2023-03-23 16:11:17] [INFO ] [Real]Added 56 Read/Feed constraints in 10 ms returned sat
[2023-03-23 16:11:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:17] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:17] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-23 16:11:17] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
[2023-03-23 16:11:17] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 3 ms to minimize.
[2023-03-23 16:11:17] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 1 ms to minimize.
[2023-03-23 16:11:17] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2023-03-23 16:11:17] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
[2023-03-23 16:11:17] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 202 ms
[2023-03-23 16:11:18] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 18 ms.
[2023-03-23 16:11:18] [INFO ] Added : 39 causal constraints over 9 iterations in 159 ms. Result :sat
Minimization took 54 ms.
[2023-03-23 16:11:18] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:18] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2023-03-23 16:11:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:18] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:18] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2023-03-23 16:11:18] [INFO ] [Nat]Added 56 Read/Feed constraints in 8 ms returned sat
[2023-03-23 16:11:18] [INFO ] Deduced a trap composed of 5 places in 51 ms of which 0 ms to minimize.
[2023-03-23 16:11:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2023-03-23 16:11:18] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 17 ms.
[2023-03-23 16:11:18] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 1 ms to minimize.
[2023-03-23 16:11:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2023-03-23 16:11:18] [INFO ] Added : 41 causal constraints over 10 iterations in 209 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : [-1, 1] Max seen :[22, 0]
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 47 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 61/69 places, 222/227 transitions.
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:18] [INFO ] Computed 8 place invariants in 4 ms
Incomplete random walk after 1000014 steps, including 2 resets, run finished after 358 ms. (steps per millisecond=2793 ) properties (out of 2) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 509 ms. (steps per millisecond=1964 ) properties (out of 2) seen :12
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 457 ms. (steps per millisecond=2188 ) properties (out of 2) seen :1
[2023-03-23 16:11:20] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:20] [INFO ] Computed 8 place invariants in 4 ms
[2023-03-23 16:11:20] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:20] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-23 16:11:20] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:20] [INFO ] [Real]Added 57 Read/Feed constraints in 9 ms returned sat
[2023-03-23 16:11:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:20] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:20] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2023-03-23 16:11:20] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2023-03-23 16:11:20] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 1 ms to minimize.
[2023-03-23 16:11:20] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 1 ms to minimize.
[2023-03-23 16:11:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 98 ms
[2023-03-23 16:11:20] [INFO ] Added : 20 causal constraints over 6 iterations in 189 ms. Result :sat
Minimization took 40 ms.
[2023-03-23 16:11:20] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:20] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2023-03-23 16:11:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:20] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:20] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-23 16:11:20] [INFO ] [Nat]Added 57 Read/Feed constraints in 7 ms returned sat
[2023-03-23 16:11:20] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 1 ms to minimize.
[2023-03-23 16:11:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2023-03-23 16:11:20] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 13 ms.
[2023-03-23 16:11:20] [INFO ] Added : 27 causal constraints over 6 iterations in 92 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : [-1, 1] Max seen :[22, 0]
Support contains 2 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 7 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 7 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2023-03-23 16:11:20] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:20] [INFO ] Invariant cache hit.
[2023-03-23 16:11:20] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-23 16:11:20] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:20] [INFO ] Invariant cache hit.
[2023-03-23 16:11:20] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:21] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-23 16:11:21] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-23 16:11:21] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:21] [INFO ] Invariant cache hit.
[2023-03-23 16:11:21] [INFO ] Dead Transitions using invariants and state equation in 95 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 61/61 places, 222/222 transitions.
Starting property specific reduction for Medical-PT-18-UpperBounds-03
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:21] [INFO ] Computed 8 place invariants in 4 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :10
[2023-03-23 16:11:21] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:21] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-23 16:11:21] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-23 16:11:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-23 16:11:21] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:21] [INFO ] [Real]Added 57 Read/Feed constraints in 10 ms returned sat
[2023-03-23 16:11:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:21] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:21] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-23 16:11:21] [INFO ] [Nat]Added 57 Read/Feed constraints in 10 ms returned sat
[2023-03-23 16:11:21] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 16 ms.
[2023-03-23 16:11:21] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 1 ms to minimize.
[2023-03-23 16:11:21] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 1 ms to minimize.
[2023-03-23 16:11:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2023-03-23 16:11:21] [INFO ] Added : 20 causal constraints over 6 iterations in 206 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[10]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 16 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 61/61 places, 222/222 transitions.
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:21] [INFO ] Computed 8 place invariants in 2 ms
Incomplete random walk after 1000013 steps, including 2 resets, run finished after 329 ms. (steps per millisecond=3039 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 441 ms. (steps per millisecond=2267 ) properties (out of 1) seen :13
[2023-03-23 16:11:22] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:22] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-23 16:11:22] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:22] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-23 16:11:22] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:22] [INFO ] [Real]Added 57 Read/Feed constraints in 8 ms returned sat
[2023-03-23 16:11:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:22] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:22] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-23 16:11:22] [INFO ] [Nat]Added 57 Read/Feed constraints in 8 ms returned sat
[2023-03-23 16:11:22] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 17 ms.
[2023-03-23 16:11:22] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 0 ms to minimize.
[2023-03-23 16:11:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2023-03-23 16:11:22] [INFO ] Added : 27 causal constraints over 6 iterations in 151 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[13]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 6 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2023-03-23 16:11:22] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:22] [INFO ] Invariant cache hit.
[2023-03-23 16:11:22] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-23 16:11:22] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:22] [INFO ] Invariant cache hit.
[2023-03-23 16:11:22] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:22] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2023-03-23 16:11:22] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-23 16:11:22] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:22] [INFO ] Invariant cache hit.
[2023-03-23 16:11:23] [INFO ] Dead Transitions using invariants and state equation in 79 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 279 ms. Remains : 61/61 places, 222/222 transitions.
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:23] [INFO ] Computed 8 place invariants in 2 ms
Incomplete random walk after 1000003 steps, including 2 resets, run finished after 289 ms. (steps per millisecond=3460 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 401 ms. (steps per millisecond=2493 ) properties (out of 1) seen :8
[2023-03-23 16:11:23] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:23] [INFO ] Computed 8 place invariants in 7 ms
[2023-03-23 16:11:23] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-23 16:11:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:23] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2023-03-23 16:11:23] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:23] [INFO ] [Real]Added 57 Read/Feed constraints in 12 ms returned sat
[2023-03-23 16:11:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:23] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:23] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2023-03-23 16:11:23] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2023-03-23 16:11:23] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2023-03-23 16:11:23] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 0 ms to minimize.
[2023-03-23 16:11:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2023-03-23 16:11:24] [INFO ] Added : 27 causal constraints over 6 iterations in 132 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[13]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2023-03-23 16:11:24] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:24] [INFO ] Invariant cache hit.
[2023-03-23 16:11:24] [INFO ] Implicit Places using invariants in 59 ms returned []
[2023-03-23 16:11:24] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:24] [INFO ] Invariant cache hit.
[2023-03-23 16:11:24] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:24] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2023-03-23 16:11:24] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-23 16:11:24] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:24] [INFO ] Invariant cache hit.
[2023-03-23 16:11:24] [INFO ] Dead Transitions using invariants and state equation in 76 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 271 ms. Remains : 61/61 places, 222/222 transitions.
Ending property specific reduction for Medical-PT-18-UpperBounds-03 in 3207 ms.
Starting property specific reduction for Medical-PT-18-UpperBounds-05
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:24] [INFO ] Computed 8 place invariants in 2 ms
Incomplete random walk after 10006 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2001 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
[2023-03-23 16:11:24] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:24] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-23 16:11:24] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:24] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-23 16:11:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:24] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:24] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-23 16:11:24] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:24] [INFO ] [Nat]Added 57 Read/Feed constraints in 7 ms returned sat
[2023-03-23 16:11:24] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 0 ms to minimize.
[2023-03-23 16:11:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
[2023-03-23 16:11:24] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 13 ms.
[2023-03-23 16:11:24] [INFO ] Added : 27 causal constraints over 6 iterations in 87 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 61/61 places, 222/222 transitions.
Normalized transition count is 176 out of 222 initially.
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:24] [INFO ] Computed 8 place invariants in 1 ms
Incomplete random walk after 1000002 steps, including 2 resets, run finished after 302 ms. (steps per millisecond=3311 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 448 ms. (steps per millisecond=2232 ) properties (out of 1) seen :0
[2023-03-23 16:11:25] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2023-03-23 16:11:25] [INFO ] Computed 8 place invariants in 6 ms
[2023-03-23 16:11:25] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-23 16:11:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:25] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2023-03-23 16:11:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 16:11:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-23 16:11:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 16:11:25] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-23 16:11:25] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:25] [INFO ] [Nat]Added 57 Read/Feed constraints in 14 ms returned sat
[2023-03-23 16:11:25] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 0 ms to minimize.
[2023-03-23 16:11:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2023-03-23 16:11:25] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 10 ms.
[2023-03-23 16:11:25] [INFO ] Added : 27 causal constraints over 6 iterations in 85 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 4 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2023-03-23 16:11:25] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:25] [INFO ] Invariant cache hit.
[2023-03-23 16:11:25] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-23 16:11:25] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:25] [INFO ] Invariant cache hit.
[2023-03-23 16:11:25] [INFO ] State equation strengthened by 57 read => feed constraints.
[2023-03-23 16:11:25] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2023-03-23 16:11:25] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-23 16:11:25] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2023-03-23 16:11:25] [INFO ] Invariant cache hit.
[2023-03-23 16:11:26] [INFO ] Dead Transitions using invariants and state equation in 82 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 269 ms. Remains : 61/61 places, 222/222 transitions.
Ending property specific reduction for Medical-PT-18-UpperBounds-05 in 1690 ms.
[2023-03-23 16:11:26] [INFO ] Flatten gal took : 50 ms
[2023-03-23 16:11:26] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 1 ms.
[2023-03-23 16:11:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 61 places, 222 transitions and 1136 arcs took 2 ms.
Total runtime 9796 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/616/ub_0_ --maxsum=/tmp/616/ub_1_
TIME LIMIT: Killed by timeout after 3570 seconds
MemTotal: 16393216 kB
MemFree: 171940 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16260948 kB
Could not compute solution for formula : Medical-PT-18-UpperBounds-03
Could not compute solution for formula : Medical-PT-18-UpperBounds-05

BK_STOP 1679591458396

--------------------
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 Medical-PT-18-UpperBounds-03
ub formula formula --maxsum=/tmp/616/ub_0_
ub formula name Medical-PT-18-UpperBounds-05
ub formula formula --maxsum=/tmp/616/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 61 places, 222 transitions and 1136 arcs
pnml2lts-sym: Petri net Medical_PT_medical analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.010 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: 222->180 groups
pnml2lts-sym: Regrouping took 0.020 real 0.020 user 0.000 sys
pnml2lts-sym: state vector length is 61; there are 180 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: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
Killing (15) : 622
Killing (9) : 622

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="Medical-PT-18"
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 Medical-PT-18, 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 r233-tall-167856419300717"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-18.tgz
mv Medical-PT-18 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 ;