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.r041-tajo-167813694600340.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 BugTracking-PT-q3m008, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694600340
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 13K Feb 26 06:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 117K Feb 26 06:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 26 06:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 06:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 15:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 07:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 26 07:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Feb 26 06:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 06:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-00
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-01
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-02
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-03
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-04
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-05
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-06
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-07
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-08
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-09
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-10
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-11
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-12
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-13
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-14
FORMULA_NAME BugTracking-PT-q3m008-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678627406662

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=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q3m008
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 13:23:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 13:23:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 13:23:29] [INFO ] Load time of PNML (sax parser for PT used): 726 ms
[2023-03-12 13:23:29] [INFO ] Transformed 754 places.
[2023-03-12 13:23:29] [INFO ] Transformed 27370 transitions.
[2023-03-12 13:23:29] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 913 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 514 places in 97 ms
Reduce places removed 514 places and 24601 transitions.
FORMULA BugTracking-PT-q3m008-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m008-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 2769/2769 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 238 transition count 2769
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 237 transition count 2750
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 237 transition count 2750
Applied a total of 4 rules in 72 ms. Remains 237 /240 variables (removed 3) and now considering 2750/2769 (removed 19) transitions.
[2023-03-12 13:23:29] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
// Phase 1: matrix 2626 rows 237 cols
[2023-03-12 13:23:29] [INFO ] Computed 8 place invariants in 51 ms
[2023-03-12 13:23:30] [INFO ] Implicit Places using invariants in 537 ms returned []
[2023-03-12 13:23:30] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 13:23:30] [INFO ] Invariant cache hit.
[2023-03-12 13:23:30] [INFO ] State equation strengthened by 240 read => feed constraints.
[2023-03-12 13:23:31] [INFO ] Implicit Places using invariants and state equation in 1548 ms returned []
Implicit Place search using SMT with State Equation took 2112 ms to find 0 implicit places.
[2023-03-12 13:23:31] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 13:23:31] [INFO ] Invariant cache hit.
[2023-03-12 13:23:32] [INFO ] Dead Transitions using invariants and state equation in 823 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 237/240 places, 2750/2769 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3010 ms. Remains : 237/240 places, 2750/2769 transitions.
Support contains 8 out of 237 places after structural reductions.
[2023-03-12 13:23:33] [INFO ] Flatten gal took : 289 ms
[2023-03-12 13:23:33] [INFO ] Flatten gal took : 142 ms
[2023-03-12 13:23:33] [INFO ] Input system was already deterministic with 2750 transitions.
Incomplete random walk after 10000 steps, including 53 resets, run finished after 349 ms. (steps per millisecond=28 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 133628 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :{}
Probabilistic random walk after 133628 steps, saw 76842 distinct states, run finished after 3003 ms. (steps per millisecond=44 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-12 13:23:37] [INFO ] Flow matrix only has 2626 transitions (discarded 124 similar events)
[2023-03-12 13:23:37] [INFO ] Invariant cache hit.
[2023-03-12 13:23:37] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:23:38] [INFO ] After 688ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:1
[2023-03-12 13:23:38] [INFO ] State equation strengthened by 240 read => feed constraints.
[2023-03-12 13:23:38] [INFO ] After 424ms SMT Verify possible using 240 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:38] [INFO ] After 1275ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:38] [INFO ] [Nat]Absence check using 8 positive place invariants in 13 ms returned sat
[2023-03-12 13:23:39] [INFO ] After 566ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 13:23:39] [INFO ] After 452ms SMT Verify possible using 240 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 13:23:40] [INFO ] Deduced a trap composed of 9 places in 357 ms of which 5 ms to minimize.
[2023-03-12 13:23:40] [INFO ] Deduced a trap composed of 8 places in 246 ms of which 1 ms to minimize.
[2023-03-12 13:23:40] [INFO ] Deduced a trap composed of 9 places in 268 ms of which 2 ms to minimize.
[2023-03-12 13:23:41] [INFO ] Deduced a trap composed of 27 places in 146 ms of which 2 ms to minimize.
[2023-03-12 13:23:41] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1298 ms
[2023-03-12 13:23:41] [INFO ] Deduced a trap composed of 12 places in 85 ms of which 1 ms to minimize.
[2023-03-12 13:23:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 197 ms
[2023-03-12 13:23:41] [INFO ] After 2261ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 215 ms.
[2023-03-12 13:23:41] [INFO ] After 3162ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 207 ms.
Support contains 8 out of 237 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 2753
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 9 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 14 place count 230 transition count 2748
Applied a total of 14 rules in 173 ms. Remains 230 /237 variables (removed 7) and now considering 2748/2750 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 230/237 places, 2748/2750 transitions.
Incomplete random walk after 10000 steps, including 101 resets, run finished after 196 ms. (steps per millisecond=51 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 141821 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :{}
Probabilistic random walk after 141821 steps, saw 92684 distinct states, run finished after 3001 ms. (steps per millisecond=47 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-12 13:23:45] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-12 13:23:45] [INFO ] Computed 8 place invariants in 11 ms
[2023-03-12 13:23:45] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:23:46] [INFO ] After 574ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-12 13:23:46] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:23:46] [INFO ] After 234ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:46] [INFO ] After 940ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:23:47] [INFO ] After 596ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 13:23:47] [INFO ] After 390ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 13:23:48] [INFO ] Deduced a trap composed of 8 places in 234 ms of which 1 ms to minimize.
[2023-03-12 13:23:48] [INFO ] Deduced a trap composed of 10 places in 218 ms of which 1 ms to minimize.
[2023-03-12 13:23:48] [INFO ] Deduced a trap composed of 27 places in 173 ms of which 1 ms to minimize.
[2023-03-12 13:23:48] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 911 ms
[2023-03-12 13:23:49] [INFO ] Deduced a trap composed of 7 places in 210 ms of which 0 ms to minimize.
[2023-03-12 13:23:49] [INFO ] Deduced a trap composed of 9 places in 346 ms of which 1 ms to minimize.
[2023-03-12 13:23:49] [INFO ] Deduced a trap composed of 9 places in 277 ms of which 1 ms to minimize.
[2023-03-12 13:23:50] [INFO ] Deduced a trap composed of 31 places in 273 ms of which 0 ms to minimize.
[2023-03-12 13:23:50] [INFO ] Deduced a trap composed of 9 places in 256 ms of which 1 ms to minimize.
[2023-03-12 13:23:50] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1731 ms
[2023-03-12 13:23:50] [INFO ] After 3383ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 205 ms.
[2023-03-12 13:23:50] [INFO ] After 4259ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 194 ms.
Support contains 8 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 47 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 43 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-12 13:23:51] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:23:51] [INFO ] Invariant cache hit.
[2023-03-12 13:23:51] [INFO ] Implicit Places using invariants in 301 ms returned []
[2023-03-12 13:23:51] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:23:51] [INFO ] Invariant cache hit.
[2023-03-12 13:23:51] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:23:53] [INFO ] Implicit Places using invariants and state equation in 1605 ms returned []
Implicit Place search using SMT with State Equation took 1915 ms to find 0 implicit places.
[2023-03-12 13:23:53] [INFO ] Redundant transitions in 165 ms returned []
[2023-03-12 13:23:53] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:23:53] [INFO ] Invariant cache hit.
[2023-03-12 13:23:54] [INFO ] Dead Transitions using invariants and state equation in 798 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2931 ms. Remains : 230/230 places, 2748/2748 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 230 transition count 2618
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 228 transition count 2616
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 228 transition count 2615
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 228 transition count 2611
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 224 transition count 2611
Applied a total of 143 rules in 157 ms. Remains 224 /230 variables (removed 6) and now considering 2611/2748 (removed 137) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 2611 rows 224 cols
[2023-03-12 13:23:54] [INFO ] Computed 9 place invariants in 15 ms
[2023-03-12 13:23:54] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 13:23:54] [INFO ] After 593ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:1
[2023-03-12 13:23:55] [INFO ] After 829ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:55] [INFO ] After 887ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 13:23:55] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 13:23:55] [INFO ] After 627ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 13:23:56] [INFO ] After 1008ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 226 ms.
[2023-03-12 13:23:56] [INFO ] After 1318ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Computed a total of 6 stabilizing places and 111 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 237 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 2753
Applied a total of 4 rules in 89 ms. Remains 235 /237 variables (removed 2) and now considering 2753/2750 (removed -3) transitions.
[2023-03-12 13:23:56] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
// Phase 1: matrix 2624 rows 235 cols
[2023-03-12 13:23:56] [INFO ] Computed 8 place invariants in 16 ms
[2023-03-12 13:23:56] [INFO ] Implicit Places using invariants in 318 ms returned []
[2023-03-12 13:23:56] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:23:56] [INFO ] Invariant cache hit.
[2023-03-12 13:23:57] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:23:58] [INFO ] Implicit Places using invariants and state equation in 1726 ms returned []
Implicit Place search using SMT with State Equation took 2048 ms to find 0 implicit places.
[2023-03-12 13:23:58] [INFO ] Redundant transitions in 163 ms returned []
[2023-03-12 13:23:58] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:23:58] [INFO ] Invariant cache hit.
[2023-03-12 13:23:59] [INFO ] Dead Transitions using invariants and state equation in 904 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 235/237 places, 2753/2750 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3215 ms. Remains : 235/237 places, 2753/2750 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q3m008-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s2 1) (GEQ s52 1) (GEQ s175 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 213 steps with 0 reset in 7 ms.
FORMULA BugTracking-PT-q3m008-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q3m008-LTLFireability-01 finished in 3444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 3 out of 237 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
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 235 transition count 2753
Applied a total of 4 rules in 50 ms. Remains 235 /237 variables (removed 2) and now considering 2753/2750 (removed -3) transitions.
[2023-03-12 13:23:59] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:23:59] [INFO ] Invariant cache hit.
[2023-03-12 13:24:00] [INFO ] Implicit Places using invariants in 281 ms returned []
[2023-03-12 13:24:00] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:00] [INFO ] Invariant cache hit.
[2023-03-12 13:24:00] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:01] [INFO ] Implicit Places using invariants and state equation in 1385 ms returned []
Implicit Place search using SMT with State Equation took 1668 ms to find 0 implicit places.
[2023-03-12 13:24:01] [INFO ] Redundant transitions in 66 ms returned []
[2023-03-12 13:24:01] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:01] [INFO ] Invariant cache hit.
[2023-03-12 13:24:02] [INFO ] Dead Transitions using invariants and state equation in 939 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 235/237 places, 2753/2750 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2731 ms. Remains : 235/237 places, 2753/2750 transitions.
Stuttering acceptance computed with spot in 64 ms :[true, (NOT p0)]
Running random walk in product with property : BugTracking-PT-q3m008-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s2 1) (LT s49 1) (LT s156 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 604 reset in 857 ms.
Product exploration explored 100000 steps with 609 reset in 619 ms.
Computed a total of 6 stabilizing places and 111 stable transitions
Computed a total of 6 stabilizing places and 111 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 50 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 184843 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :{}
Probabilistic random walk after 184843 steps, saw 104850 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:07] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:07] [INFO ] Invariant cache hit.
[2023-03-12 13:24:07] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:24:08] [INFO ] After 511ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:08] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:08] [INFO ] After 284ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:08] [INFO ] After 872ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:08] [INFO ] After 395ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:09] [INFO ] After 228ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:09] [INFO ] Deduced a trap composed of 21 places in 242 ms of which 0 ms to minimize.
[2023-03-12 13:24:09] [INFO ] Deduced a trap composed of 38 places in 227 ms of which 2 ms to minimize.
[2023-03-12 13:24:10] [INFO ] Deduced a trap composed of 12 places in 224 ms of which 1 ms to minimize.
[2023-03-12 13:24:10] [INFO ] Deduced a trap composed of 31 places in 278 ms of which 0 ms to minimize.
[2023-03-12 13:24:10] [INFO ] Deduced a trap composed of 19 places in 258 ms of which 0 ms to minimize.
[2023-03-12 13:24:10] [INFO ] Deduced a trap composed of 19 places in 184 ms of which 0 ms to minimize.
[2023-03-12 13:24:11] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1920 ms
[2023-03-12 13:24:11] [INFO ] After 2260ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 117 ms.
[2023-03-12 13:24:11] [INFO ] After 2828ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 44 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 10 place count 230 transition count 2748
Applied a total of 10 rules in 126 ms. Remains 230 /235 variables (removed 5) and now considering 2748/2753 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127 ms. Remains : 230/235 places, 2748/2753 transitions.
Incomplete random walk after 10003 steps, including 88 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 16 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 167406 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :{}
Probabilistic random walk after 167406 steps, saw 109109 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:14] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-12 13:24:14] [INFO ] Computed 8 place invariants in 17 ms
[2023-03-12 13:24:14] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:24:15] [INFO ] After 512ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:15] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:15] [INFO ] After 313ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:15] [INFO ] After 898ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:15] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:24:16] [INFO ] After 547ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:16] [INFO ] After 242ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:16] [INFO ] Deduced a trap composed of 10 places in 251 ms of which 0 ms to minimize.
[2023-03-12 13:24:16] [INFO ] Deduced a trap composed of 30 places in 214 ms of which 0 ms to minimize.
[2023-03-12 13:24:17] [INFO ] Deduced a trap composed of 14 places in 194 ms of which 0 ms to minimize.
[2023-03-12 13:24:17] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 901 ms
[2023-03-12 13:24:17] [INFO ] After 1215ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 79 ms.
[2023-03-12 13:24:17] [INFO ] After 1922ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 59 ms.
Support contains 3 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 38 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 41 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-12 13:24:17] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:17] [INFO ] Invariant cache hit.
[2023-03-12 13:24:17] [INFO ] Implicit Places using invariants in 321 ms returned []
[2023-03-12 13:24:17] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:17] [INFO ] Invariant cache hit.
[2023-03-12 13:24:18] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:19] [INFO ] Implicit Places using invariants and state equation in 1606 ms returned []
Implicit Place search using SMT with State Equation took 1929 ms to find 0 implicit places.
[2023-03-12 13:24:19] [INFO ] Redundant transitions in 88 ms returned []
[2023-03-12 13:24:19] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:19] [INFO ] Invariant cache hit.
[2023-03-12 13:24:20] [INFO ] Dead Transitions using invariants and state equation in 943 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3013 ms. Remains : 230/230 places, 2748/2748 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 230 transition count 2618
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 228 transition count 2616
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 228 transition count 2615
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 228 transition count 2611
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 224 transition count 2611
Applied a total of 143 rules in 113 ms. Remains 224 /230 variables (removed 6) and now considering 2611/2748 (removed 137) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2611 rows 224 cols
[2023-03-12 13:24:20] [INFO ] Computed 9 place invariants in 16 ms
[2023-03-12 13:24:20] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:21] [INFO ] After 440ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:21] [INFO ] After 572ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:21] [INFO ] After 635ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:21] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:21] [INFO ] After 500ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:21] [INFO ] After 626ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 68 ms.
[2023-03-12 13:24:22] [INFO ] After 765ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 182 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[true, (NOT p0)]
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Applied a total of 0 rules in 36 ms. Remains 235 /235 variables (removed 0) and now considering 2753/2753 (removed 0) transitions.
[2023-03-12 13:24:22] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
// Phase 1: matrix 2624 rows 235 cols
[2023-03-12 13:24:22] [INFO ] Computed 8 place invariants in 14 ms
[2023-03-12 13:24:22] [INFO ] Implicit Places using invariants in 326 ms returned []
[2023-03-12 13:24:22] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:22] [INFO ] Invariant cache hit.
[2023-03-12 13:24:23] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:24] [INFO ] Implicit Places using invariants and state equation in 1396 ms returned []
Implicit Place search using SMT with State Equation took 1724 ms to find 0 implicit places.
[2023-03-12 13:24:24] [INFO ] Redundant transitions in 64 ms returned []
[2023-03-12 13:24:24] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:24] [INFO ] Invariant cache hit.
[2023-03-12 13:24:24] [INFO ] Dead Transitions using invariants and state equation in 854 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2684 ms. Remains : 235/235 places, 2753/2753 transitions.
Computed a total of 6 stabilizing places and 111 stable transitions
Computed a total of 6 stabilizing places and 111 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 169 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 59 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 174780 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 174780 steps, saw 99065 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:28] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:28] [INFO ] Invariant cache hit.
[2023-03-12 13:24:28] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:28] [INFO ] After 408ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:28] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:28] [INFO ] After 221ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:28] [INFO ] After 686ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:29] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:29] [INFO ] After 434ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:29] [INFO ] After 191ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:29] [INFO ] Deduced a trap composed of 21 places in 222 ms of which 1 ms to minimize.
[2023-03-12 13:24:30] [INFO ] Deduced a trap composed of 38 places in 212 ms of which 0 ms to minimize.
[2023-03-12 13:24:30] [INFO ] Deduced a trap composed of 12 places in 209 ms of which 0 ms to minimize.
[2023-03-12 13:24:30] [INFO ] Deduced a trap composed of 31 places in 164 ms of which 0 ms to minimize.
[2023-03-12 13:24:30] [INFO ] Deduced a trap composed of 19 places in 233 ms of which 1 ms to minimize.
[2023-03-12 13:24:31] [INFO ] Deduced a trap composed of 19 places in 175 ms of which 1 ms to minimize.
[2023-03-12 13:24:31] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1577 ms
[2023-03-12 13:24:31] [INFO ] After 1849ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 90 ms.
[2023-03-12 13:24:31] [INFO ] After 2421ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 53 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 10 place count 230 transition count 2748
Applied a total of 10 rules in 77 ms. Remains 230 /235 variables (removed 5) and now considering 2748/2753 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 230/235 places, 2748/2753 transitions.
Incomplete random walk after 10005 steps, including 97 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 176043 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 176043 steps, saw 114803 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:34] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
// Phase 1: matrix 2619 rows 230 cols
[2023-03-12 13:24:34] [INFO ] Computed 8 place invariants in 22 ms
[2023-03-12 13:24:34] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-12 13:24:35] [INFO ] After 531ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:35] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:35] [INFO ] After 386ms SMT Verify possible using 241 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:35] [INFO ] After 969ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:35] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:36] [INFO ] After 444ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:36] [INFO ] After 169ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:36] [INFO ] Deduced a trap composed of 10 places in 265 ms of which 1 ms to minimize.
[2023-03-12 13:24:36] [INFO ] Deduced a trap composed of 30 places in 194 ms of which 1 ms to minimize.
[2023-03-12 13:24:37] [INFO ] Deduced a trap composed of 14 places in 204 ms of which 0 ms to minimize.
[2023-03-12 13:24:37] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 858 ms
[2023-03-12 13:24:37] [INFO ] After 1085ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 89 ms.
[2023-03-12 13:24:37] [INFO ] After 1672ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 83 ms.
Support contains 3 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 42 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 37 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2023-03-12 13:24:37] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:37] [INFO ] Invariant cache hit.
[2023-03-12 13:24:37] [INFO ] Implicit Places using invariants in 309 ms returned []
[2023-03-12 13:24:37] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:37] [INFO ] Invariant cache hit.
[2023-03-12 13:24:38] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:39] [INFO ] Implicit Places using invariants and state equation in 1805 ms returned []
Implicit Place search using SMT with State Equation took 2127 ms to find 0 implicit places.
[2023-03-12 13:24:39] [INFO ] Redundant transitions in 52 ms returned []
[2023-03-12 13:24:39] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2023-03-12 13:24:39] [INFO ] Invariant cache hit.
[2023-03-12 13:24:40] [INFO ] Dead Transitions using invariants and state equation in 836 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3065 ms. Remains : 230/230 places, 2748/2748 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 230 transition count 2618
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 228 transition count 2616
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 228 transition count 2615
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 228 transition count 2611
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 224 transition count 2611
Applied a total of 143 rules in 151 ms. Remains 224 /230 variables (removed 6) and now considering 2611/2748 (removed 137) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2611 rows 224 cols
[2023-03-12 13:24:40] [INFO ] Computed 9 place invariants in 20 ms
[2023-03-12 13:24:40] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:41] [INFO ] After 478ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 13:24:41] [INFO ] After 574ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:41] [INFO ] After 651ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:41] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 13:24:41] [INFO ] After 442ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:41] [INFO ] After 526ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 51 ms.
[2023-03-12 13:24:41] [INFO ] After 634ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 131 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 655 reset in 752 ms.
Product exploration explored 100000 steps with 631 reset in 615 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Applied a total of 0 rules in 36 ms. Remains 235 /235 variables (removed 0) and now considering 2753/2753 (removed 0) transitions.
[2023-03-12 13:24:43] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
// Phase 1: matrix 2624 rows 235 cols
[2023-03-12 13:24:43] [INFO ] Computed 8 place invariants in 16 ms
[2023-03-12 13:24:43] [INFO ] Implicit Places using invariants in 310 ms returned []
[2023-03-12 13:24:43] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:43] [INFO ] Invariant cache hit.
[2023-03-12 13:24:44] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:45] [INFO ] Implicit Places using invariants and state equation in 1342 ms returned []
Implicit Place search using SMT with State Equation took 1653 ms to find 0 implicit places.
[2023-03-12 13:24:45] [INFO ] Redundant transitions in 55 ms returned []
[2023-03-12 13:24:45] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:45] [INFO ] Invariant cache hit.
[2023-03-12 13:24:46] [INFO ] Dead Transitions using invariants and state equation in 787 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2543 ms. Remains : 235/235 places, 2753/2753 transitions.
Treatment of property BugTracking-PT-q3m008-LTLFireability-03 finished in 46502 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 3 out of 237 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 237/237 places, 2750/2750 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 2753
Applied a total of 4 rules in 46 ms. Remains 235 /237 variables (removed 2) and now considering 2753/2750 (removed -3) transitions.
[2023-03-12 13:24:46] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:46] [INFO ] Invariant cache hit.
[2023-03-12 13:24:46] [INFO ] Implicit Places using invariants in 326 ms returned []
[2023-03-12 13:24:46] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:46] [INFO ] Invariant cache hit.
[2023-03-12 13:24:47] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:48] [INFO ] Implicit Places using invariants and state equation in 1391 ms returned []
Implicit Place search using SMT with State Equation took 1727 ms to find 0 implicit places.
[2023-03-12 13:24:48] [INFO ] Redundant transitions in 63 ms returned []
[2023-03-12 13:24:48] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:48] [INFO ] Invariant cache hit.
[2023-03-12 13:24:49] [INFO ] Dead Transitions using invariants and state equation in 872 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 235/237 places, 2753/2750 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2721 ms. Remains : 235/237 places, 2753/2750 transitions.
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p0)]
Running random walk in product with property : BugTracking-PT-q3m008-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s10 1) (LT s77 1) (LT s202 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 626 reset in 745 ms.
Product exploration explored 100000 steps with 633 reset in 588 ms.
Computed a total of 6 stabilizing places and 111 stable transitions
Computed a total of 6 stabilizing places and 111 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 57 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 174545 steps, run timeout after 3001 ms. (steps per millisecond=58 ) properties seen :{}
Probabilistic random walk after 174545 steps, saw 98930 distinct states, run finished after 3001 ms. (steps per millisecond=58 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:53] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:24:53] [INFO ] Invariant cache hit.
[2023-03-12 13:24:53] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:54] [INFO ] After 490ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:24:54] [INFO ] After 484ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:54] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:24:55] [INFO ] After 179ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:24:55] [INFO ] Deduced a trap composed of 11 places in 258 ms of which 1 ms to minimize.
[2023-03-12 13:24:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 425 ms
[2023-03-12 13:24:55] [INFO ] After 708ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 152 ms.
[2023-03-12 13:24:55] [INFO ] After 1422ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 235 transition count 2747
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 229 transition count 2747
Applied a total of 12 rules in 121 ms. Remains 229 /235 variables (removed 6) and now considering 2747/2753 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 229/235 places, 2747/2753 transitions.
Incomplete random walk after 10005 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 183911 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :{}
Probabilistic random walk after 183911 steps, saw 87979 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:24:58] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
// Phase 1: matrix 2618 rows 229 cols
[2023-03-12 13:24:59] [INFO ] Computed 8 place invariants in 22 ms
[2023-03-12 13:24:59] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:24:59] [INFO ] After 611ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:24:59] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:25:00] [INFO ] After 449ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:00] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:00] [INFO ] After 248ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:00] [INFO ] After 368ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 89 ms.
[2023-03-12 13:25:00] [INFO ] After 990ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 3 out of 229 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 42 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 229/229 places, 2747/2747 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 36 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
[2023-03-12 13:25:00] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:00] [INFO ] Invariant cache hit.
[2023-03-12 13:25:01] [INFO ] Implicit Places using invariants in 340 ms returned []
[2023-03-12 13:25:01] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:01] [INFO ] Invariant cache hit.
[2023-03-12 13:25:01] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:02] [INFO ] Implicit Places using invariants and state equation in 1500 ms returned []
Implicit Place search using SMT with State Equation took 1842 ms to find 0 implicit places.
[2023-03-12 13:25:02] [INFO ] Redundant transitions in 68 ms returned []
[2023-03-12 13:25:02] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:02] [INFO ] Invariant cache hit.
[2023-03-12 13:25:03] [INFO ] Dead Transitions using invariants and state equation in 929 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2886 ms. Remains : 229/229 places, 2747/2747 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 229 transition count 2617
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 227 transition count 2615
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 227 transition count 2614
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 227 transition count 2610
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 223 transition count 2610
Applied a total of 143 rules in 294 ms. Remains 223 /229 variables (removed 6) and now considering 2610/2747 (removed 137) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2610 rows 223 cols
[2023-03-12 13:25:03] [INFO ] Computed 9 place invariants in 38 ms
[2023-03-12 13:25:03] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-12 13:25:04] [INFO ] After 589ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:25:04] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-12 13:25:05] [INFO ] After 482ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:05] [INFO ] After 624ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 100 ms.
[2023-03-12 13:25:05] [INFO ] After 788ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 239 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 55 ms :[true, (NOT p0)]
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Applied a total of 0 rules in 47 ms. Remains 235 /235 variables (removed 0) and now considering 2753/2753 (removed 0) transitions.
[2023-03-12 13:25:05] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
// Phase 1: matrix 2624 rows 235 cols
[2023-03-12 13:25:05] [INFO ] Computed 8 place invariants in 19 ms
[2023-03-12 13:25:06] [INFO ] Implicit Places using invariants in 366 ms returned []
[2023-03-12 13:25:06] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:25:06] [INFO ] Invariant cache hit.
[2023-03-12 13:25:06] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:07] [INFO ] Implicit Places using invariants and state equation in 1446 ms returned []
Implicit Place search using SMT with State Equation took 1814 ms to find 0 implicit places.
[2023-03-12 13:25:07] [INFO ] Redundant transitions in 64 ms returned []
[2023-03-12 13:25:07] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:25:07] [INFO ] Invariant cache hit.
[2023-03-12 13:25:08] [INFO ] Dead Transitions using invariants and state equation in 902 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2839 ms. Remains : 235/235 places, 2753/2753 transitions.
Computed a total of 6 stabilizing places and 111 stable transitions
Computed a total of 6 stabilizing places and 111 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 119 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[true, (NOT p0)]
Incomplete random walk after 10002 steps, including 63 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 182940 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :{}
Probabilistic random walk after 182940 steps, saw 103757 distinct states, run finished after 3005 ms. (steps per millisecond=60 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:25:11] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:25:11] [INFO ] Invariant cache hit.
[2023-03-12 13:25:11] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:25:12] [INFO ] After 607ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:25:12] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 13:25:13] [INFO ] After 574ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:13] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:13] [INFO ] After 254ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:13] [INFO ] Deduced a trap composed of 11 places in 281 ms of which 0 ms to minimize.
[2023-03-12 13:25:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 462 ms
[2023-03-12 13:25:13] [INFO ] After 824ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 136 ms.
[2023-03-12 13:25:14] [INFO ] After 1633ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 235 transition count 2747
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 229 transition count 2747
Applied a total of 12 rules in 102 ms. Remains 229 /235 variables (removed 6) and now considering 2747/2753 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 229/235 places, 2747/2753 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 187385 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :{}
Probabilistic random walk after 187385 steps, saw 90307 distinct states, run finished after 3001 ms. (steps per millisecond=62 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 13:25:17] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
// Phase 1: matrix 2618 rows 229 cols
[2023-03-12 13:25:17] [INFO ] Computed 8 place invariants in 18 ms
[2023-03-12 13:25:17] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:25:17] [INFO ] After 620ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:25:17] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 13:25:18] [INFO ] After 422ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:18] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:18] [INFO ] After 218ms SMT Verify possible using 241 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:18] [INFO ] After 295ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 71 ms.
[2023-03-12 13:25:18] [INFO ] After 856ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 229 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 44 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 229/229 places, 2747/2747 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 36 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
[2023-03-12 13:25:18] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:18] [INFO ] Invariant cache hit.
[2023-03-12 13:25:19] [INFO ] Implicit Places using invariants in 330 ms returned []
[2023-03-12 13:25:19] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:19] [INFO ] Invariant cache hit.
[2023-03-12 13:25:19] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:20] [INFO ] Implicit Places using invariants and state equation in 1324 ms returned []
Implicit Place search using SMT with State Equation took 1655 ms to find 0 implicit places.
[2023-03-12 13:25:20] [INFO ] Redundant transitions in 63 ms returned []
[2023-03-12 13:25:20] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2023-03-12 13:25:20] [INFO ] Invariant cache hit.
[2023-03-12 13:25:21] [INFO ] Dead Transitions using invariants and state equation in 793 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2562 ms. Remains : 229/229 places, 2747/2747 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 229 transition count 2617
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 134 place count 227 transition count 2615
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 135 place count 227 transition count 2614
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 139 place count 227 transition count 2610
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 143 place count 223 transition count 2610
Applied a total of 143 rules in 282 ms. Remains 223 /229 variables (removed 6) and now considering 2610/2747 (removed 137) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2610 rows 223 cols
[2023-03-12 13:25:21] [INFO ] Computed 9 place invariants in 18 ms
[2023-03-12 13:25:21] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 13:25:22] [INFO ] After 518ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 13:25:22] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 13:25:22] [INFO ] After 528ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 13:25:22] [INFO ] After 652ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 68 ms.
[2023-03-12 13:25:23] [INFO ] After 806ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 174 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 50 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 615 reset in 765 ms.
Product exploration explored 100000 steps with 641 reset in 620 ms.
Support contains 3 out of 235 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 235/235 places, 2753/2753 transitions.
Applied a total of 0 rules in 64 ms. Remains 235 /235 variables (removed 0) and now considering 2753/2753 (removed 0) transitions.
[2023-03-12 13:25:24] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
// Phase 1: matrix 2624 rows 235 cols
[2023-03-12 13:25:24] [INFO ] Computed 8 place invariants in 17 ms
[2023-03-12 13:25:25] [INFO ] Implicit Places using invariants in 369 ms returned []
[2023-03-12 13:25:25] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:25:25] [INFO ] Invariant cache hit.
[2023-03-12 13:25:25] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-12 13:25:26] [INFO ] Implicit Places using invariants and state equation in 1426 ms returned []
Implicit Place search using SMT with State Equation took 1797 ms to find 0 implicit places.
[2023-03-12 13:25:26] [INFO ] Redundant transitions in 83 ms returned []
[2023-03-12 13:25:26] [INFO ] Flow matrix only has 2624 transitions (discarded 129 similar events)
[2023-03-12 13:25:26] [INFO ] Invariant cache hit.
[2023-03-12 13:25:27] [INFO ] Dead Transitions using invariants and state equation in 951 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2909 ms. Remains : 235/235 places, 2753/2753 transitions.
Treatment of property BugTracking-PT-q3m008-LTLFireability-14 finished in 41349 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
[2023-03-12 13:25:28] [INFO ] Flatten gal took : 132 ms
[2023-03-12 13:25:28] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-12 13:25:28] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 237 places, 2750 transitions and 13477 arcs took 20 ms.
Total runtime 119943 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1071/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1071/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : BugTracking-PT-q3m008-LTLFireability-03
Could not compute solution for formula : BugTracking-PT-q3m008-LTLFireability-14

BK_STOP 1678627529589

--------------------
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 LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name BugTracking-PT-q3m008-LTLFireability-03
ltl formula formula --ltl=/tmp/1071/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 237 places, 2750 transitions and 13477 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.330 real 0.100 user 0.120 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1071/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1071/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1071/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1071/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
ltl formula name BugTracking-PT-q3m008-LTLFireability-14
ltl formula formula --ltl=/tmp/1071/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 237 places, 2750 transitions and 13477 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.320 real 0.130 user 0.080 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1071/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1071/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1071/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1071/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)

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="BugTracking-PT-q3m008"
export BK_EXAMINATION="LTLFireability"
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 BugTracking-PT-q3m008, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r041-tajo-167813694600340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q3m008.tgz
mv BugTracking-PT-q3m008 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;