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-167905978200421.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d1m18, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r425-tajo-167905978200421
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 928K
-rw-r--r-- 1 mcc users 6.3K Feb 26 10:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 26 10:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 10:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 10:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 26 10:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 10:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 122K Feb 26 10:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 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 450K 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-d1m18-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m18-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679314901630

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-d1m18
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 12:21:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-20 12:21:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 12:21:44] [INFO ] Load time of PNML (sax parser for PT used): 131 ms
[2023-03-20 12:21:44] [INFO ] Transformed 1295 places.
[2023-03-20 12:21:44] [INFO ] Transformed 749 transitions.
[2023-03-20 12:21:44] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 240 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 1036 places in 9 ms
Reduce places removed 1036 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 749 rows 259 cols
[2023-03-20 12:21:44] [INFO ] Computed 6 place invariants in 34 ms
Incomplete random walk after 10000 steps, including 2215 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 4) seen :2
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 917 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 988 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
[2023-03-20 12:21:44] [INFO ] Invariant cache hit.
[2023-03-20 12:21:45] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2023-03-20 12:21:45] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-20 12:21:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:45] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2023-03-20 12:21:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 12:21:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 12:21:45] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-20 12:21:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:45] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
[2023-03-20 12:21:45] [INFO ] State equation strengthened by 587 read => feed constraints.
[2023-03-20 12:21:45] [INFO ] [Nat]Added 587 Read/Feed constraints in 159 ms returned sat
[2023-03-20 12:21:48] [INFO ] Deduced a trap composed of 29 places in 2064 ms of which 17 ms to minimize.
[2023-03-20 12:21:48] [INFO ] Deduced a trap composed of 81 places in 231 ms of which 1 ms to minimize.
[2023-03-20 12:21:48] [INFO ] Deduced a trap composed of 158 places in 167 ms of which 1 ms to minimize.
[2023-03-20 12:21:48] [INFO ] Deduced a trap composed of 150 places in 198 ms of which 26 ms to minimize.
[2023-03-20 12:21:49] [INFO ] Deduced a trap composed of 143 places in 154 ms of which 1 ms to minimize.
[2023-03-20 12:21:49] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 3184 ms
[2023-03-20 12:21:49] [INFO ] Computed and/alt/rep : 82/233/82 causal constraints (skipped 666 transitions) in 171 ms.
[2023-03-20 12:21:49] [INFO ] Added : 29 causal constraints over 6 iterations in 699 ms. Result :sat
Minimization took 141 ms.
[2023-03-20 12:21:50] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 12:21:50] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-20 12:21:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:50] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2023-03-20 12:21:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 12:21:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 12:21:50] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-20 12:21:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:50] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2023-03-20 12:21:50] [INFO ] [Nat]Added 587 Read/Feed constraints in 157 ms returned sat
[2023-03-20 12:21:50] [INFO ] Deduced a trap composed of 29 places in 152 ms of which 1 ms to minimize.
[2023-03-20 12:21:51] [INFO ] Deduced a trap composed of 29 places in 67 ms of which 0 ms to minimize.
[2023-03-20 12:21:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 317 ms
[2023-03-20 12:21:51] [INFO ] Computed and/alt/rep : 82/233/82 causal constraints (skipped 666 transitions) in 92 ms.
[2023-03-20 12:21:51] [INFO ] Added : 20 causal constraints over 4 iterations in 370 ms. Result :sat
Minimization took 192 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 1 out of 259 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 749/749 transitions.
Graph (complete) has 1159 edges and 259 vertex of which 241 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.3 ms
Discarding 18 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 242 transitions.
Iterating post reduction 0 with 242 rules applied. Total rules applied 243 place count 241 transition count 507
Discarding 61 places :
Symmetric choice reduction at 1 with 61 rule applications. Total rules 304 place count 180 transition count 230
Iterating global reduction 1 with 61 rules applied. Total rules applied 365 place count 180 transition count 230
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 371 place count 180 transition count 224
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 415 place count 136 transition count 180
Iterating global reduction 2 with 44 rules applied. Total rules applied 459 place count 136 transition count 180
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 474 place count 136 transition count 165
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 501 place count 109 transition count 136
Iterating global reduction 3 with 27 rules applied. Total rules applied 528 place count 109 transition count 136
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 544 place count 109 transition count 120
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 551 place count 102 transition count 111
Iterating global reduction 4 with 7 rules applied. Total rules applied 558 place count 102 transition count 111
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 565 place count 95 transition count 104
Iterating global reduction 4 with 7 rules applied. Total rules applied 572 place count 95 transition count 104
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 576 place count 91 transition count 99
Iterating global reduction 4 with 4 rules applied. Total rules applied 580 place count 91 transition count 99
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 582 place count 91 transition count 97
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 586 place count 87 transition count 93
Iterating global reduction 5 with 4 rules applied. Total rules applied 590 place count 87 transition count 93
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 592 place count 85 transition count 91
Iterating global reduction 5 with 2 rules applied. Total rules applied 594 place count 85 transition count 91
Applied a total of 594 rules in 131 ms. Remains 85 /259 variables (removed 174) and now considering 91/749 (removed 658) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 85/259 places, 91/749 transitions.
// Phase 1: matrix 91 rows 85 cols
[2023-03-20 12:21:51] [INFO ] Computed 4 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 224235 resets, run finished after 830 ms. (steps per millisecond=1204 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 103460 resets, run finished after 391 ms. (steps per millisecond=2557 ) properties (out of 1) seen :0
[2023-03-20 12:21:53] [INFO ] Invariant cache hit.
[2023-03-20 12:21:53] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 12:21:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-20 12:21:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:53] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-20 12:21:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 12:21:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 12:21:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 12:21:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:53] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-20 12:21:53] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-20 12:21:53] [INFO ] [Nat]Added 35 Read/Feed constraints in 6 ms returned sat
[2023-03-20 12:21:53] [INFO ] Computed and/alt/rep : 23/52/23 causal constraints (skipped 67 transitions) in 7 ms.
[2023-03-20 12:21:53] [INFO ] Added : 18 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 91/91 transitions.
Applied a total of 0 rules in 9 ms. Remains 85 /85 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 85/85 places, 91/91 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 91/91 transitions.
Applied a total of 0 rules in 18 ms. Remains 85 /85 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-20 12:21:53] [INFO ] Invariant cache hit.
[2023-03-20 12:21:53] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-20 12:21:53] [INFO ] Invariant cache hit.
[2023-03-20 12:21:53] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-20 12:21:53] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2023-03-20 12:21:53] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 12:21:53] [INFO ] Invariant cache hit.
[2023-03-20 12:21:54] [INFO ] Dead Transitions using invariants and state equation in 79 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 493 ms. Remains : 85/85 places, 91/91 transitions.
Starting property specific reduction for SieveSingleMsgMbox-PT-d1m18-UpperBounds-15
[2023-03-20 12:21:54] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2221 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 1002 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :0
[2023-03-20 12:21:54] [INFO ] Invariant cache hit.
[2023-03-20 12:21:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 12:21:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 12:21:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:54] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-20 12:21:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 12:21:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 12:21:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 12:21:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:54] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2023-03-20 12:21:54] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-20 12:21:54] [INFO ] [Nat]Added 35 Read/Feed constraints in 6 ms returned sat
[2023-03-20 12:21:54] [INFO ] Computed and/alt/rep : 23/52/23 causal constraints (skipped 67 transitions) in 8 ms.
[2023-03-20 12:21:54] [INFO ] Added : 18 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[0]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 91/91 transitions.
Applied a total of 0 rules in 18 ms. Remains 85 /85 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 85/85 places, 91/91 transitions.
[2023-03-20 12:21:54] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 223918 resets, run finished after 668 ms. (steps per millisecond=1497 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 103746 resets, run finished after 351 ms. (steps per millisecond=2849 ) properties (out of 1) seen :0
[2023-03-20 12:21:55] [INFO ] Invariant cache hit.
[2023-03-20 12:21:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 12:21:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 12:21:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:55] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-20 12:21:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 12:21:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 12:21:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-20 12:21:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 12:21:55] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-20 12:21:55] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-20 12:21:55] [INFO ] [Nat]Added 35 Read/Feed constraints in 6 ms returned sat
[2023-03-20 12:21:55] [INFO ] Computed and/alt/rep : 23/52/23 causal constraints (skipped 67 transitions) in 7 ms.
[2023-03-20 12:21:55] [INFO ] Added : 18 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[0]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 91/91 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 85/85 places, 91/91 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 91/91 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-20 12:21:55] [INFO ] Invariant cache hit.
[2023-03-20 12:21:55] [INFO ] Implicit Places using invariants in 72 ms returned []
[2023-03-20 12:21:55] [INFO ] Invariant cache hit.
[2023-03-20 12:21:55] [INFO ] State equation strengthened by 35 read => feed constraints.
[2023-03-20 12:21:55] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
[2023-03-20 12:21:55] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 12:21:55] [INFO ] Invariant cache hit.
[2023-03-20 12:21:57] [INFO ] Dead Transitions using invariants and state equation in 1223 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1540 ms. Remains : 85/85 places, 91/91 transitions.
Ending property specific reduction for SieveSingleMsgMbox-PT-d1m18-UpperBounds-15 in 3157 ms.
[2023-03-20 12:21:57] [INFO ] Flatten gal took : 67 ms
[2023-03-20 12:21:57] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 6 ms.
[2023-03-20 12:21:57] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 85 places, 91 transitions and 362 arcs took 2 ms.
Total runtime 13207 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/557/ub_0_
FORMULA SieveSingleMsgMbox-PT-d1m18-UpperBounds-15 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679314939421

--------------------
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-d1m18-UpperBounds-15
ub formula formula --maxsum=/tmp/557/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 85 places, 91 transitions and 362 arcs
pnml2lts-sym: Petri net SieveSingleMsgMbox_PT_d1m18 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: 91->89 groups
pnml2lts-sym: Regrouping took 0.010 real 0.010 user 0.010 sys
pnml2lts-sym: state vector length is 85; there are 89 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 513329 group checks and 0 next state calls
pnml2lts-sym: reachability took 18.650 real 71.520 user 2.670 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.020 real 0.030 user 0.000 sys
pnml2lts-sym: state space has 3191595529 states, 37216 nodes
pnml2lts-sym: Maximum sum of /tmp/557/ub_0_ is: 1
pnml2lts-sym: group_next: 3301 nodes total
pnml2lts-sym: group_explored: 4500 nodes, 6584 short vectors total
pnml2lts-sym: max token count: 18

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-d1m18"
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-d1m18, 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-167905978200421"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m18.tgz
mv SieveSingleMsgMbox-PT-d1m18 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 ;