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-167863538000262.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-3A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r263-smll-167863538000262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.1K Feb 26 10:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 26 10:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 10:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 10:08 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 3.5K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 11K Feb 26 10:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 26 10:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 26 10:10 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 133K 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-3A-ReachabilityCardinality-00
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-01
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-02
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-03
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-04
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-05
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-06
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-07
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-08
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-09
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-10
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-11
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-12
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-13
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-14
FORMULA_NAME NoC3x3-PT-3A-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678754668507

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-3A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-14 00:44:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-14 00:44:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 00:44:32] [INFO ] Load time of PNML (sax parser for PT used): 213 ms
[2023-03-14 00:44:32] [INFO ] Transformed 370 places.
[2023-03-14 00:44:32] [INFO ] Transformed 450 transitions.
[2023-03-14 00:44:32] [INFO ] Found NUPN structural information;
[2023-03-14 00:44:32] [INFO ] Parsed PT model containing 370 places and 450 transitions and 1773 arcs in 388 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 33 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 793 ms. (steps per millisecond=12 ) properties (out of 13) seen :10
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 3) seen :1
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-14 00:44:33] [INFO ] Flow matrix only has 394 transitions (discarded 55 similar events)
// Phase 1: matrix 394 rows 370 cols
[2023-03-14 00:44:33] [INFO ] Computed 127 place invariants in 43 ms
[2023-03-14 00:44:34] [INFO ] After 464ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-14 00:44:34] [INFO ] [Nat]Absence check using 76 positive place invariants in 39 ms returned sat
[2023-03-14 00:44:34] [INFO ] [Nat]Absence check using 76 positive and 51 generalized place invariants in 23 ms returned sat
[2023-03-14 00:44:34] [INFO ] After 355ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-14 00:44:34] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-14 00:44:35] [INFO ] After 135ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-14 00:44:35] [INFO ] After 258ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 93 ms.
[2023-03-14 00:44:35] [INFO ] After 1042ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
FORMULA NoC3x3-PT-3A-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 8 ms.
Support contains 44 out of 370 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 370/370 places, 449/449 transitions.
Ensure Unique test removed 18 places
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 352 transition count 432
Reduce places removed 8 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 11 rules applied. Total rules applied 46 place count 344 transition count 429
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 49 place count 341 transition count 429
Discarding 92 places :
Symmetric choice reduction at 3 with 92 rule applications. Total rules 141 place count 249 transition count 314
Ensure Unique test removed 32 places
Iterating global reduction 3 with 124 rules applied. Total rules applied 265 place count 217 transition count 314
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Drop transitions removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 3 with 76 rules applied. Total rules applied 341 place count 217 transition count 238
Reduce places removed 17 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 4 with 20 rules applied. Total rules applied 361 place count 200 transition count 235
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 364 place count 197 transition count 235
Drop transitions removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 6 with 24 rules applied. Total rules applied 388 place count 197 transition count 211
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 395 place count 190 transition count 211
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 7 with 9 rules applied. Total rules applied 404 place count 190 transition count 202
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 7 with 9 rules applied. Total rules applied 413 place count 181 transition count 202
Partial Free-agglomeration rule applied 17 times.
Drop transitions removed 17 transitions
Iterating global reduction 8 with 17 rules applied. Total rules applied 430 place count 181 transition count 202
Applied a total of 430 rules in 129 ms. Remains 181 /370 variables (removed 189) and now considering 202/449 (removed 247) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 181/370 places, 202/449 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 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 808489 steps, run timeout after 3021 ms. (steps per millisecond=267 ) properties seen :{}
Probabilistic random walk after 808489 steps, saw 642889 distinct states, run finished after 3023 ms. (steps per millisecond=267 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:44:38] [INFO ] Flow matrix only has 201 transitions (discarded 1 similar events)
// Phase 1: matrix 201 rows 181 cols
[2023-03-14 00:44:38] [INFO ] Computed 70 place invariants in 6 ms
[2023-03-14 00:44:38] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:44:38] [INFO ] [Nat]Absence check using 60 positive place invariants in 16 ms returned sat
[2023-03-14 00:44:38] [INFO ] [Nat]Absence check using 60 positive and 10 generalized place invariants in 4 ms returned sat
[2023-03-14 00:44:38] [INFO ] After 133ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:38] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-14 00:44:39] [INFO ] After 51ms SMT Verify possible using 40 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:39] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 36 ms.
[2023-03-14 00:44:39] [INFO ] After 349ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 44 out of 181 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 181/181 places, 202/202 transitions.
Applied a total of 0 rules in 13 ms. Remains 181 /181 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 181/181 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 181/181 places, 202/202 transitions.
Applied a total of 0 rules in 8 ms. Remains 181 /181 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2023-03-14 00:44:39] [INFO ] Flow matrix only has 201 transitions (discarded 1 similar events)
[2023-03-14 00:44:39] [INFO ] Invariant cache hit.
[2023-03-14 00:44:39] [INFO ] Implicit Places using invariants in 177 ms returned [19, 22, 40, 50, 60, 76, 77, 81, 87, 115, 139, 165, 170]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 179 ms to find 13 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 168/181 places, 202/202 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 168 transition count 195
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 161 transition count 195
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 21 place count 161 transition count 188
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 23 place count 161 transition count 186
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 25 place count 159 transition count 186
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 27 place count 159 transition count 184
Applied a total of 27 rules in 30 ms. Remains 159 /168 variables (removed 9) and now considering 184/202 (removed 18) transitions.
[2023-03-14 00:44:39] [INFO ] Flow matrix only has 183 transitions (discarded 1 similar events)
// Phase 1: matrix 183 rows 159 cols
[2023-03-14 00:44:39] [INFO ] Computed 57 place invariants in 2 ms
[2023-03-14 00:44:39] [INFO ] Implicit Places using invariants in 139 ms returned []
[2023-03-14 00:44:39] [INFO ] Flow matrix only has 183 transitions (discarded 1 similar events)
[2023-03-14 00:44:39] [INFO ] Invariant cache hit.
[2023-03-14 00:44:39] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-14 00:44:39] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 159/181 places, 184/202 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 651 ms. Remains : 159/181 places, 184/202 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 855804 steps, run timeout after 3001 ms. (steps per millisecond=285 ) properties seen :{}
Probabilistic random walk after 855804 steps, saw 655916 distinct states, run finished after 3001 ms. (steps per millisecond=285 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:44:42] [INFO ] Flow matrix only has 183 transitions (discarded 1 similar events)
[2023-03-14 00:44:42] [INFO ] Invariant cache hit.
[2023-03-14 00:44:42] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:44:42] [INFO ] [Nat]Absence check using 55 positive place invariants in 12 ms returned sat
[2023-03-14 00:44:42] [INFO ] [Nat]Absence check using 55 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-14 00:44:43] [INFO ] After 103ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:43] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-14 00:44:43] [INFO ] After 41ms SMT Verify possible using 30 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:43] [INFO ] After 80ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 33 ms.
[2023-03-14 00:44:43] [INFO ] After 278ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 44 out of 159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 159/159 places, 184/184 transitions.
Applied a total of 0 rules in 7 ms. Remains 159 /159 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 159/159 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 159/159 places, 184/184 transitions.
Applied a total of 0 rules in 6 ms. Remains 159 /159 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2023-03-14 00:44:43] [INFO ] Flow matrix only has 183 transitions (discarded 1 similar events)
[2023-03-14 00:44:43] [INFO ] Invariant cache hit.
[2023-03-14 00:44:43] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-14 00:44:43] [INFO ] Flow matrix only has 183 transitions (discarded 1 similar events)
[2023-03-14 00:44:43] [INFO ] Invariant cache hit.
[2023-03-14 00:44:43] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-14 00:44:43] [INFO ] Implicit Places using invariants and state equation in 385 ms returned []
Implicit Place search using SMT with State Equation took 508 ms to find 0 implicit places.
[2023-03-14 00:44:43] [INFO ] Redundant transitions in 29 ms returned [152]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
[2023-03-14 00:44:43] [INFO ] Flow matrix only has 182 transitions (discarded 1 similar events)
// Phase 1: matrix 182 rows 159 cols
[2023-03-14 00:44:43] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-14 00:44:43] [INFO ] Dead Transitions using invariants and state equation in 212 ms found 0 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 159/159 places, 183/184 transitions.
Applied a total of 0 rules in 11 ms. Remains 159 /159 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 787 ms. Remains : 159/159 places, 183/184 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 928782 steps, run timeout after 3001 ms. (steps per millisecond=309 ) properties seen :{}
Probabilistic random walk after 928782 steps, saw 737065 distinct states, run finished after 3001 ms. (steps per millisecond=309 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-14 00:44:47] [INFO ] Flow matrix only has 182 transitions (discarded 1 similar events)
[2023-03-14 00:44:47] [INFO ] Invariant cache hit.
[2023-03-14 00:44:47] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:44:47] [INFO ] [Nat]Absence check using 55 positive place invariants in 14 ms returned sat
[2023-03-14 00:44:47] [INFO ] [Nat]Absence check using 55 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-14 00:44:47] [INFO ] After 100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:47] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-14 00:44:47] [INFO ] After 41ms SMT Verify possible using 30 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:47] [INFO ] After 93ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 59 ms.
[2023-03-14 00:44:47] [INFO ] After 324ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 44 out of 159 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 159/159 places, 183/183 transitions.
Applied a total of 0 rules in 10 ms. Remains 159 /159 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 159/159 places, 183/183 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 159/159 places, 183/183 transitions.
Applied a total of 0 rules in 49 ms. Remains 159 /159 variables (removed 0) and now considering 183/183 (removed 0) transitions.
[2023-03-14 00:44:47] [INFO ] Flow matrix only has 182 transitions (discarded 1 similar events)
[2023-03-14 00:44:47] [INFO ] Invariant cache hit.
[2023-03-14 00:44:47] [INFO ] Implicit Places using invariants in 192 ms returned []
[2023-03-14 00:44:47] [INFO ] Flow matrix only has 182 transitions (discarded 1 similar events)
[2023-03-14 00:44:47] [INFO ] Invariant cache hit.
[2023-03-14 00:44:48] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-14 00:44:48] [INFO ] Implicit Places using invariants and state equation in 404 ms returned []
Implicit Place search using SMT with State Equation took 608 ms to find 0 implicit places.
[2023-03-14 00:44:48] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-14 00:44:48] [INFO ] Flow matrix only has 182 transitions (discarded 1 similar events)
[2023-03-14 00:44:48] [INFO ] Invariant cache hit.
[2023-03-14 00:44:48] [INFO ] Dead Transitions using invariants and state equation in 263 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 946 ms. Remains : 159/159 places, 183/183 transitions.
Graph (trivial) has 37 edges and 159 vertex of which 18 / 159 are part of one of the 9 SCC in 8 ms
Free SCC test removed 9 places
Drop transitions removed 18 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 19 transitions.
Graph (complete) has 415 edges and 150 vertex of which 148 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 5 place count 148 transition count 161
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 11 place count 148 transition count 155
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 148 transition count 155
Applied a total of 12 rules in 33 ms. Remains 148 /159 variables (removed 11) and now considering 155/183 (removed 28) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 155 rows 148 cols
[2023-03-14 00:44:48] [INFO ] Computed 56 place invariants in 2 ms
[2023-03-14 00:44:48] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-14 00:44:48] [INFO ] [Nat]Absence check using 54 positive place invariants in 22 ms returned sat
[2023-03-14 00:44:48] [INFO ] [Nat]Absence check using 54 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-14 00:44:48] [INFO ] After 154ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:48] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-14 00:44:48] [INFO ] After 60ms SMT Verify possible using 13 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:48] [INFO ] After 138ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 55 ms.
[2023-03-14 00:44:49] [INFO ] After 451ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-14 00:44:49] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 8 ms.
[2023-03-14 00:44:49] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 159 places, 183 transitions and 692 arcs took 3 ms.
[2023-03-14 00:44:49] [INFO ] Flatten gal took : 112 ms
Total runtime 17388 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT NoC3x3-PT-3A
BK_EXAMINATION: ReachabilityCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
ReachabilityCardinality

FORMULA NoC3x3-PT-3A-ReachabilityCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678754690740

--------------------
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 ReachabilityCardinality -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/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/ReachabilityCardinality.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 8 (type EXCL) for 0 NoC3x3-PT-3A-ReachabilityCardinality-13
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 4 (type FNDP) for 0 NoC3x3-PT-3A-ReachabilityCardinality-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 5 (type EQUN) for 0 NoC3x3-PT-3A-ReachabilityCardinality-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 7 (type SRCH) for 0 NoC3x3-PT-3A-ReachabilityCardinality-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 7 (type SRCH) for NoC3x3-PT-3A-ReachabilityCardinality-13
lola: result : true
lola: markings : 15
lola: fired transitions : 14
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 4 (type FNDP) for NoC3x3-PT-3A-ReachabilityCardinality-13 (obsolete)
lola: CANCELED task # 5 (type EQUN) for NoC3x3-PT-3A-ReachabilityCardinality-13 (obsolete)
lola: CANCELED task # 8 (type EXCL) for NoC3x3-PT-3A-ReachabilityCardinality-13 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
NoC3x3-PT-3A-ReachabilityCardinality-13: AG false tandem / insertion


Time elapsed: 0 secs. Pages in use: 2

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-3A"
export BK_EXAMINATION="ReachabilityCardinality"
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-3A, examination is ReachabilityCardinality"
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-167863538000262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-3A.tgz
mv NoC3x3-PT-3A execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;