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.r263-smll-167863537900247.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 lolaxred
Input is NoC3x3-PT-2A, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r263-smll-167863537900247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.5K Feb 26 10:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 10:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 10:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 10:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 127K 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-00
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-01
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-02
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-03
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-04
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-05
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-06
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-07
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-08
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-09
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-10
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-11
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-12
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-13
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-14
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678752001746

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=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-2A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-14 00:00:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-14 00:00:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 00:00:04] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2023-03-14 00:00:04] [INFO ] Transformed 361 places.
[2023-03-14 00:00:04] [INFO ] Transformed 428 transitions.
[2023-03-14 00:00:04] [INFO ] Found NUPN structural information;
[2023-03-14 00:00:04] [INFO ] Parsed PT model containing 361 places and 428 transitions and 1697 arcs in 247 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 795 ms. (steps per millisecond=12 ) properties (out of 16) seen :11
FORMULA NoC3x3-PT-2A-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 168 ms. (steps per millisecond=59 ) properties (out of 5) seen :1
FORMULA NoC3x3-PT-2A-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 202 ms. (steps per millisecond=49 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-14 00:00:06] [INFO ] Flow matrix only has 377 transitions (discarded 51 similar events)
// Phase 1: matrix 377 rows 361 cols
[2023-03-14 00:00:06] [INFO ] Computed 127 place invariants in 37 ms
[2023-03-14 00:00:07] [INFO ] After 698ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-14 00:00:07] [INFO ] [Nat]Absence check using 76 positive place invariants in 49 ms returned sat
[2023-03-14 00:00:07] [INFO ] [Nat]Absence check using 76 positive and 51 generalized place invariants in 27 ms returned sat
[2023-03-14 00:00:08] [INFO ] After 533ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-14 00:00:08] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-14 00:00:08] [INFO ] After 269ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-14 00:00:08] [INFO ] After 549ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 209 ms.
[2023-03-14 00:00:09] [INFO ] After 1738ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
FORMULA NoC3x3-PT-2A-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-2A-ReachabilityFireability-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 32 ms.
Support contains 62 out of 361 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 361/361 places, 428/428 transitions.
Ensure Unique test removed 21 places
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 340 transition count 413
Reduce places removed 6 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 14 rules applied. Total rules applied 50 place count 334 transition count 405
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 58 place count 326 transition count 405
Discarding 90 places :
Symmetric choice reduction at 3 with 90 rule applications. Total rules 148 place count 236 transition count 298
Ensure Unique test removed 31 places
Iterating global reduction 3 with 121 rules applied. Total rules applied 269 place count 205 transition count 298
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 3 with 65 rules applied. Total rules applied 334 place count 205 transition count 233
Reduce places removed 9 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 4 with 25 rules applied. Total rules applied 359 place count 196 transition count 217
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 375 place count 180 transition count 217
Drop transitions removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 6 with 20 rules applied. Total rules applied 395 place count 180 transition count 197
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 397 place count 178 transition count 197
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 7 with 3 rules applied. Total rules applied 400 place count 178 transition count 194
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 403 place count 175 transition count 194
Partial Free-agglomeration rule applied 10 times.
Drop transitions removed 10 transitions
Iterating global reduction 8 with 10 rules applied. Total rules applied 413 place count 175 transition count 194
Applied a total of 413 rules in 210 ms. Remains 175 /361 variables (removed 186) and now considering 194/428 (removed 234) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 211 ms. Remains : 175/361 places, 194/428 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 2) seen :1
FORMULA NoC3x3-PT-2A-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:00:09] [INFO ] Flow matrix only has 187 transitions (discarded 7 similar events)
// Phase 1: matrix 187 rows 175 cols
[2023-03-14 00:00:09] [INFO ] Computed 73 place invariants in 5 ms
[2023-03-14 00:00:09] [INFO ] After 111ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:00:09] [INFO ] [Nat]Absence check using 64 positive place invariants in 30 ms returned sat
[2023-03-14 00:00:09] [INFO ] [Nat]Absence check using 64 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-14 00:00:10] [INFO ] After 247ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:10] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-14 00:00:10] [INFO ] After 101ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:10] [INFO ] After 201ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 93 ms.
[2023-03-14 00:00:10] [INFO ] After 684ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 61 out of 175 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 175/175 places, 194/194 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 174 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 174 transition count 192
Applied a total of 2 rules in 31 ms. Remains 174 /175 variables (removed 1) and now considering 192/194 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 174/175 places, 192/194 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 731114 steps, run timeout after 3026 ms. (steps per millisecond=241 ) properties seen :{}
Probabilistic random walk after 731114 steps, saw 588558 distinct states, run finished after 3028 ms. (steps per millisecond=241 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:00:13] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
// Phase 1: matrix 186 rows 174 cols
[2023-03-14 00:00:13] [INFO ] Computed 73 place invariants in 6 ms
[2023-03-14 00:00:13] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:00:13] [INFO ] [Nat]Absence check using 64 positive place invariants in 14 ms returned sat
[2023-03-14 00:00:13] [INFO ] [Nat]Absence check using 64 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-14 00:00:13] [INFO ] After 139ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:13] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-14 00:00:14] [INFO ] After 81ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:14] [INFO ] After 176ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 61 ms.
[2023-03-14 00:00:14] [INFO ] After 473ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 61 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 192/192 transitions.
Applied a total of 0 rules in 9 ms. Remains 174 /174 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 174/174 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 192/192 transitions.
Applied a total of 0 rules in 7 ms. Remains 174 /174 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2023-03-14 00:00:14] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
[2023-03-14 00:00:14] [INFO ] Invariant cache hit.
[2023-03-14 00:00:14] [INFO ] Implicit Places using invariants in 247 ms returned [9, 44, 49, 68, 103, 132, 160]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 251 ms to find 7 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 167/174 places, 192/192 transitions.
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 167 transition count 192
Applied a total of 4 rules in 28 ms. Remains 167 /167 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2023-03-14 00:00:14] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
// Phase 1: matrix 186 rows 167 cols
[2023-03-14 00:00:14] [INFO ] Computed 66 place invariants in 3 ms
[2023-03-14 00:00:14] [INFO ] Implicit Places using invariants in 240 ms returned []
[2023-03-14 00:00:14] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
[2023-03-14 00:00:14] [INFO ] Invariant cache hit.
[2023-03-14 00:00:14] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-14 00:00:15] [INFO ] Implicit Places using invariants and state equation in 409 ms returned []
Implicit Place search using SMT with State Equation took 662 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 167/174 places, 192/192 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 949 ms. Remains : 167/174 places, 192/192 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 968546 steps, run timeout after 3001 ms. (steps per millisecond=322 ) properties seen :{}
Probabilistic random walk after 968546 steps, saw 770557 distinct states, run finished after 3001 ms. (steps per millisecond=322 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:00:18] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
[2023-03-14 00:00:18] [INFO ] Invariant cache hit.
[2023-03-14 00:00:18] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:00:18] [INFO ] [Nat]Absence check using 57 positive place invariants in 15 ms returned sat
[2023-03-14 00:00:18] [INFO ] [Nat]Absence check using 57 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-14 00:00:18] [INFO ] After 140ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:18] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-14 00:00:18] [INFO ] After 61ms SMT Verify possible using 19 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:18] [INFO ] After 125ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 60 ms.
[2023-03-14 00:00:18] [INFO ] After 395ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 61 out of 167 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 167/167 places, 192/192 transitions.
Applied a total of 0 rules in 7 ms. Remains 167 /167 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 167/167 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 167/167 places, 192/192 transitions.
Applied a total of 0 rules in 9 ms. Remains 167 /167 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2023-03-14 00:00:18] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
[2023-03-14 00:00:18] [INFO ] Invariant cache hit.
[2023-03-14 00:00:18] [INFO ] Implicit Places using invariants in 157 ms returned []
[2023-03-14 00:00:19] [INFO ] Flow matrix only has 186 transitions (discarded 6 similar events)
[2023-03-14 00:00:19] [INFO ] Invariant cache hit.
[2023-03-14 00:00:19] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-14 00:00:19] [INFO ] Implicit Places using invariants and state equation in 299 ms returned []
Implicit Place search using SMT with State Equation took 476 ms to find 0 implicit places.
[2023-03-14 00:00:19] [INFO ] Redundant transitions in 47 ms returned [153, 158, 160, 161, 163, 168, 169, 170, 175, 176]
Found 10 redundant transitions using SMT.
Drop transitions removed 10 transitions
Redundant transitions reduction (with SMT) removed 10 transitions.
[2023-03-14 00:00:19] [INFO ] Flow matrix only has 176 transitions (discarded 6 similar events)
// Phase 1: matrix 176 rows 167 cols
[2023-03-14 00:00:19] [INFO ] Computed 66 place invariants in 2 ms
[2023-03-14 00:00:19] [INFO ] Dead Transitions using invariants and state equation in 279 ms found 0 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 167/167 places, 182/192 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 167 transition count 180
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 165 transition count 180
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 165 transition count 179
Applied a total of 5 rules in 16 ms. Remains 165 /167 variables (removed 2) and now considering 179/182 (removed 3) transitions.
[2023-03-14 00:00:19] [INFO ] Flow matrix only has 173 transitions (discarded 6 similar events)
// Phase 1: matrix 173 rows 165 cols
[2023-03-14 00:00:19] [INFO ] Computed 66 place invariants in 3 ms
[2023-03-14 00:00:19] [INFO ] Implicit Places using invariants in 191 ms returned [41, 46]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 202 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 163/167 places, 179/192 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 2 place count 162 transition count 178
Applied a total of 2 rules in 8 ms. Remains 162 /163 variables (removed 1) and now considering 178/179 (removed 1) transitions.
[2023-03-14 00:00:19] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
// Phase 1: matrix 172 rows 162 cols
[2023-03-14 00:00:19] [INFO ] Computed 64 place invariants in 2 ms
[2023-03-14 00:00:20] [INFO ] Implicit Places using invariants in 175 ms returned []
[2023-03-14 00:00:20] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
[2023-03-14 00:00:20] [INFO ] Invariant cache hit.
[2023-03-14 00:00:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-14 00:00:20] [INFO ] Implicit Places using invariants and state equation in 314 ms returned []
Implicit Place search using SMT with State Equation took 492 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 162/167 places, 178/192 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 1541 ms. Remains : 162/167 places, 178/192 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 809362 steps, run timeout after 3001 ms. (steps per millisecond=269 ) properties seen :{}
Probabilistic random walk after 809362 steps, saw 642331 distinct states, run finished after 3003 ms. (steps per millisecond=269 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:00:23] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
[2023-03-14 00:00:23] [INFO ] Invariant cache hit.
[2023-03-14 00:00:23] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:00:23] [INFO ] [Nat]Absence check using 55 positive place invariants in 14 ms returned sat
[2023-03-14 00:00:23] [INFO ] [Nat]Absence check using 55 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-14 00:00:23] [INFO ] After 150ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-14 00:00:23] [INFO ] After 96ms SMT Verify possible using 18 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:24] [INFO ] After 202ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 89 ms.
[2023-03-14 00:00:24] [INFO ] After 517ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 61 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 178/178 transitions.
Applied a total of 0 rules in 8 ms. Remains 162 /162 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 162/162 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 178/178 transitions.
Applied a total of 0 rules in 9 ms. Remains 162 /162 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-14 00:00:24] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
[2023-03-14 00:00:24] [INFO ] Invariant cache hit.
[2023-03-14 00:00:24] [INFO ] Implicit Places using invariants in 174 ms returned []
[2023-03-14 00:00:24] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
[2023-03-14 00:00:24] [INFO ] Invariant cache hit.
[2023-03-14 00:00:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-14 00:00:24] [INFO ] Implicit Places using invariants and state equation in 365 ms returned []
Implicit Place search using SMT with State Equation took 542 ms to find 0 implicit places.
[2023-03-14 00:00:24] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-14 00:00:24] [INFO ] Flow matrix only has 172 transitions (discarded 6 similar events)
[2023-03-14 00:00:24] [INFO ] Invariant cache hit.
[2023-03-14 00:00:25] [INFO ] Dead Transitions using invariants and state equation in 278 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 854 ms. Remains : 162/162 places, 178/178 transitions.
Graph (trivial) has 16 edges and 162 vertex of which 4 / 162 are part of one of the 2 SCC in 9 ms
Free SCC test removed 2 places
Drop transitions removed 4 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 160 transition count 166
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 160 transition count 164
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 7 place count 158 transition count 164
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 158 transition count 164
Applied a total of 9 rules in 50 ms. Remains 158 /162 variables (removed 4) and now considering 164/178 (removed 14) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 164 rows 158 cols
[2023-03-14 00:00:25] [INFO ] Computed 64 place invariants in 3 ms
[2023-03-14 00:00:25] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:00:25] [INFO ] [Nat]Absence check using 55 positive place invariants in 23 ms returned sat
[2023-03-14 00:00:25] [INFO ] [Nat]Absence check using 55 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-14 00:00:25] [INFO ] After 200ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:25] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-14 00:00:25] [INFO ] After 89ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:25] [INFO ] After 185ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 88 ms.
[2023-03-14 00:00:25] [INFO ] After 592ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:00:25] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 16 ms.
[2023-03-14 00:00:25] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 162 places, 178 transitions and 682 arcs took 4 ms.
[2023-03-14 00:00:26] [INFO ] Flatten gal took : 109 ms
Total runtime 21615 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT NoC3x3-PT-2A
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
ReachabilityFireability

FORMULA NoC3x3-PT-2A-ReachabilityFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678752029296

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/ReachabilityFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 7 (type EXCL) for 0 NoC3x3-PT-2A-ReachabilityFireability-04
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 NoC3x3-PT-2A-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 NoC3x3-PT-2A-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 6 (type SRCH) for 0 NoC3x3-PT-2A-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 4 (type EQUN) for NoC3x3-PT-2A-ReachabilityFireability-04
lola: result : unknown
lola: LAUNCH task # 8 (type SRCH) for 0 NoC3x3-PT-2A-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 8 (type SRCH) for NoC3x3-PT-2A-ReachabilityFireability-04
lola: result : unknown
lola: time used : 0.000000
lola: memory pages used : 1
lola: FINISHED task # 3 (type FNDP) for NoC3x3-PT-2A-ReachabilityFireability-04
lola: result : true
lola: fired transitions : 533682
lola: tried executions : 6732
lola: time used : 2.000000
lola: memory pages used : 0
lola: CANCELED task # 6 (type SRCH) for NoC3x3-PT-2A-ReachabilityFireability-04 (obsolete)
lola: CANCELED task # 7 (type EXCL) for NoC3x3-PT-2A-ReachabilityFireability-04 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
NoC3x3-PT-2A-ReachabilityFireability-04: EF true findpath


Time elapsed: 2 secs. Pages in use: 3

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="NoC3x3-PT-2A"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is NoC3x3-PT-2A, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r263-smll-167863537900247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-2A.tgz
mv NoC3x3-PT-2A execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;