Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r472-tajo-171620399100252.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='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 2-5568
Executing tool ltsminxred
Input is BridgeAndVehicles-PT-V50P50N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620399100252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.2M
-rw-r--r-- 1 mcc users 18K Apr 13 02:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K Apr 13 02:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 129K Apr 13 02:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 529K Apr 13 02:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.4K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 77K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 227K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 44K Apr 13 02:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 264K Apr 13 02:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 133K Apr 13 02:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 514K Apr 13 02:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.7K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.1M May 18 16:42 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 BridgeAndVehicles-PT-V50P50N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717221188356

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:53:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 05:53:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:53:10] [INFO ] Load time of PNML (sax parser for PT used): 151 ms
[2024-06-01 05:53:10] [INFO ] Transformed 128 places.
[2024-06-01 05:53:10] [INFO ] Transformed 1328 transitions.
[2024-06-01 05:53:10] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 304 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 125 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 126 transition count 1328
Applied a total of 2 rules in 45 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2024-06-01 05:53:10] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2024-06-01 05:53:10] [INFO ] Computed 5 invariants in 14 ms
[2024-06-01 05:53:10] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
[2024-06-01 05:53:22] [INFO ] Deduced a trap composed of 5 places in 290 ms of which 11 ms to minimize.
[2024-06-01 05:53:27] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 1 ms to minimize.
Problem TDEAD728 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD730 is UNSAT
Problem TDEAD731 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD742 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD753 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD764 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD775 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
[2024-06-01 05:53:30] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 2 ms to minimize.
Problem TDEAD178 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD453 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD497 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD596 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD651 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD673 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD695 is UNSAT
Problem TDEAD706 is UNSAT
Problem TDEAD717 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/376 variables, and 8 constraints, problems are : Problem set: 100 solved, 1225 unsolved in 20102 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 100 solved, 1225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 3 (OVERLAPS) 250/376 variables, 126/134 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 22/156 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 376/376 variables, and 1379 constraints, problems are : Problem set: 102 solved, 1223 unsolved in 20812 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 126/126 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1223/1325 constraints, Known Traps: 3/3 constraints]
After SMT, in 47184ms problems are : Problem set: 102 solved, 1223 unsolved
Search for dead transitions found 102 dead transitions in 47231ms
Found 102 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 102 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 102 transitions.
[2024-06-01 05:53:57] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-06-01 05:53:57] [INFO ] Computed 7 invariants in 5 ms
[2024-06-01 05:53:57] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-06-01 05:53:57] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 05:53:57] [INFO ] Invariant cache hit.
[2024-06-01 05:53:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:53:58] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 126/128 places, 1226/1328 transitions.
Applied a total of 0 rules in 11 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47532 ms. Remains : 126/128 places, 1226/1328 transitions.
Support contains 125 out of 126 places after structural reductions.
[2024-06-01 05:53:58] [INFO ] Flatten gal took : 245 ms
[2024-06-01 05:53:59] [INFO ] Flatten gal took : 147 ms
[2024-06-01 05:53:59] [INFO ] Input system was already deterministic with 1226 transitions.
Reduction of identical properties reduced properties to check from 21 to 20
RANDOM walk for 40000 steps (88 resets) in 3233 ms. (12 steps per ms) remains 2/20 properties
BEST_FIRST walk for 40002 steps (36 resets) in 259 ms. (153 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40000 steps (36 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
[2024-06-01 05:54:00] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 05:54:00] [INFO ] Invariant cache hit.
[2024-06-01 05:54:00] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 194/264 variables, 70/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 107/371 variables, 55/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/371 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 10/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/372 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/372 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/372 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 372/372 variables, and 153 constraints, problems are : Problem set: 0 solved, 1 unsolved in 816 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 194/264 variables, 70/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/264 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 107/371 variables, 55/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/371 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 10/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/371 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/372 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/372 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/372 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 372/372 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1163ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 4 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 12 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 321 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 321 ms. Remains : 122/126 places, 1223/1226 transitions.
RANDOM walk for 40000 steps (124 resets) in 575 ms. (69 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (63 resets) in 280 ms. (142 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 9591 steps, run visited all 1 properties in 101 ms. (steps per millisecond=94 )
Probabilistic random walk after 9591 steps, saw 3459 distinct states, run finished after 104 ms. (steps per millisecond=92 ) properties seen :1
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 109 stabilizing places and 202 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(G(p0))&&(G(p1) U p2))))'
Support contains 115 out of 126 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 224 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:54:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:54:03] [INFO ] Computed 7 invariants in 7 ms
[2024-06-01 05:54:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:54:13] [INFO ] Deduced a trap composed of 5 places in 171 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45628ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45655ms
[2024-06-01 05:54:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:54:48] [INFO ] Invariant cache hit.
[2024-06-01 05:54:49] [INFO ] Implicit Places using invariants in 69 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 84 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 138 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46116 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 346 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-00
Stuttering criterion allowed to conclude after 421 steps with 0 reset in 23 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-00 finished in 46598 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(p1)))'
Support contains 65 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 15 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:54:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:54:49] [INFO ] Invariant cache hit.
[2024-06-01 05:54:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:54:58] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44803ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44817ms
[2024-06-01 05:55:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:34] [INFO ] Invariant cache hit.
[2024-06-01 05:55:34] [INFO ] Implicit Places using invariants in 142 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 158 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44998 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 125 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 2663 ms.
Product exploration explored 100000 steps with 50000 reset in 2755 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 20 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-01 finished in 50680 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 55 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 199 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:55:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:40] [INFO ] Invariant cache hit.
[2024-06-01 05:55:40] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:55:50] [INFO ] Deduced a trap composed of 5 places in 110 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20096 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45610ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45650ms
[2024-06-01 05:56:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:26] [INFO ] Invariant cache hit.
[2024-06-01 05:56:26] [INFO ] Implicit Places using invariants in 237 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 240 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 77 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46170 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
Product exploration explored 100000 steps with 236 reset in 741 ms.
Product exploration explored 100000 steps with 236 reset in 661 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 104 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
RANDOM walk for 708 steps (0 resets) in 18 ms. (37 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
[2024-06-01 05:56:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 05:56:28] [INFO ] Computed 5 invariants in 2 ms
[2024-06-01 05:56:28] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2024-06-01 05:56:29] [INFO ] [Real]Absence check using state equation in 497 ms returned sat
[2024-06-01 05:56:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:56:30] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:56:30] [INFO ] [Nat]Absence check using state equation in 327 ms returned sat
[2024-06-01 05:56:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:56:30] [INFO ] [Nat]Added 20 Read/Feed constraints in 57 ms returned sat
[2024-06-01 05:56:31] [INFO ] Deduced a trap composed of 5 places in 1037 ms of which 2 ms to minimize.
[2024-06-01 05:56:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1075 ms
[2024-06-01 05:56:31] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 51 ms.
[2024-06-01 05:56:31] [INFO ] Added : 12 causal constraints over 3 iterations in 152 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 76 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:56:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:31] [INFO ] Invariant cache hit.
[2024-06-01 05:56:31] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:56:40] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 25071ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 25082ms
[2024-06-01 05:56:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:57] [INFO ] Invariant cache hit.
[2024-06-01 05:56:57] [INFO ] Implicit Places using invariants in 173 ms returned []
[2024-06-01 05:56:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:57] [INFO ] Invariant cache hit.
[2024-06-01 05:56:57] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:56:57] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 608 ms to find 0 implicit places.
[2024-06-01 05:56:57] [INFO ] Redundant transitions in 66 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:56:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:57] [INFO ] Invariant cache hit.
[2024-06-01 05:56:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:57:06] [INFO ] Deduced a trap composed of 5 places in 181 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:57:29] [INFO ] Deduced a trap composed of 15 places in 119 ms of which 1 ms to minimize.
[2024-06-01 05:57:29] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/131 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/151 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1373 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1373 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
After SMT, in 64021ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64033ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 89876 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
RANDOM walk for 685 steps (0 resets) in 9 ms. (68 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 87 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
[2024-06-01 05:58:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:02] [INFO ] Invariant cache hit.
[2024-06-01 05:58:02] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:58:02] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2024-06-01 05:58:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:58:03] [INFO ] [Nat]Absence check using 5 positive place invariants in 22 ms returned sat
[2024-06-01 05:58:03] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2024-06-01 05:58:03] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:58:03] [INFO ] [Nat]Added 20 Read/Feed constraints in 31 ms returned sat
[2024-06-01 05:58:04] [INFO ] Deduced a trap composed of 5 places in 148 ms of which 1 ms to minimize.
[2024-06-01 05:58:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 327 ms
[2024-06-01 05:58:04] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 47 ms.
[2024-06-01 05:58:04] [INFO ] Added : 42 causal constraints over 10 iterations in 605 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Product exploration explored 100000 steps with 236 reset in 721 ms.
Product exploration explored 100000 steps with 236 reset in 606 ms.
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 99 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:58:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:06] [INFO ] Invariant cache hit.
[2024-06-01 05:58:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:58:15] [INFO ] Deduced a trap composed of 5 places in 198 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44854ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44864ms
[2024-06-01 05:58:51] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:51] [INFO ] Invariant cache hit.
[2024-06-01 05:58:51] [INFO ] Implicit Places using invariants in 229 ms returned []
[2024-06-01 05:58:51] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:51] [INFO ] Invariant cache hit.
[2024-06-01 05:58:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:58:51] [INFO ] Implicit Places using invariants and state equation in 427 ms returned []
Implicit Place search using SMT with State Equation took 672 ms to find 0 implicit places.
[2024-06-01 05:58:51] [INFO ] Redundant transitions in 12 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:58:51] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:52] [INFO ] Invariant cache hit.
[2024-06-01 05:58:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:59:00] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:59:23] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 1 ms to minimize.
[2024-06-01 05:59:23] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/131 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/151 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1373 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1373 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 3/3 constraints]
After SMT, in 64786ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64801ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110461 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-04 finished in 257004 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&(G(!p0)||(!p0&&F(!p1)))))'
Support contains 105 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 11 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:59:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:59:57] [INFO ] Computed 7 invariants in 5 ms
[2024-06-01 05:59:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:00:05] [INFO ] Deduced a trap composed of 5 places in 128 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 25090ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 25117ms
[2024-06-01 06:00:22] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:00:22] [INFO ] Invariant cache hit.
[2024-06-01 06:00:22] [INFO ] Implicit Places using invariants in 98 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 111 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 4 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25248 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), true, true, (OR (NOT p0) p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-05 finished in 25395 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X(p1)))))'
Support contains 6 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 9 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:00:22] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:00:22] [INFO ] Invariant cache hit.
[2024-06-01 06:00:22] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:00:32] [INFO ] Deduced a trap composed of 5 places in 126 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45459ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45469ms
[2024-06-01 06:01:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:01:08] [INFO ] Invariant cache hit.
[2024-06-01 06:01:08] [INFO ] Implicit Places using invariants in 176 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 191 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45679 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Product exploration explored 100000 steps with 33247 reset in 647 ms.
Product exploration explored 100000 steps with 33301 reset in 535 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 106 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (88 resets) in 573 ms. (69 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40001 steps (36 resets) in 427 ms. (93 steps per ms) remains 1/3 properties
[2024-06-01 06:01:10] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 06:01:10] [INFO ] Computed 5 invariants in 2 ms
[2024-06-01 06:01:10] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 119/368 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 4/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 159 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Support contains 6 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 121 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 120 transition count 1223
Applied a total of 5 rules in 72 ms. Remains 120 /123 variables (removed 3) and now considering 1223/1225 (removed 2) transitions.
[2024-06-01 06:01:10] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:01:10] [INFO ] Computed 4 invariants in 6 ms
[2024-06-01 06:01:10] [INFO ] Implicit Places using invariants in 141 ms returned []
[2024-06-01 06:01:10] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:01:10] [INFO ] Invariant cache hit.
[2024-06-01 06:01:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:01:11] [INFO ] Implicit Places using invariants and state equation in 346 ms returned []
Implicit Place search using SMT with State Equation took 488 ms to find 0 implicit places.
[2024-06-01 06:01:11] [INFO ] Redundant transitions in 59 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:01:11] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:01:11] [INFO ] Invariant cache hit.
[2024-06-01 06:01:11] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:01:19] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:01:45] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/126 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/146 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1366 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1366 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 2/2 constraints]
After SMT, in 64632ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64644ms
Starting structural reductions in SI_LTL mode, iteration 1 : 120/123 places, 1223/1225 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65271 ms. Remains : 120/123 places, 1223/1225 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 141 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
RANDOM walk for 40000 steps (124 resets) in 691 ms. (57 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40001 steps (62 resets) in 554 ms. (72 steps per ms) remains 2/2 properties
BEST_FIRST walk for 24451 steps (39 resets) in 315 ms. (77 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 170 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 144 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Product exploration explored 100000 steps with 1429 reset in 321 ms.
Product exploration explored 100000 steps with 1380 reset in 467 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 64 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:02:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:02:18] [INFO ] Invariant cache hit.
[2024-06-01 06:02:18] [INFO ] Implicit Places using invariants in 209 ms returned []
[2024-06-01 06:02:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:02:18] [INFO ] Invariant cache hit.
[2024-06-01 06:02:18] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:02:18] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 558 ms to find 0 implicit places.
[2024-06-01 06:02:18] [INFO ] Redundant transitions in 12 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:02:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:02:18] [INFO ] Invariant cache hit.
[2024-06-01 06:02:18] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:02:26] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:02:53] [INFO ] Deduced a trap composed of 14 places in 121 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/126 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/146 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1366 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1366 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 2/2 constraints]
After SMT, in 64545ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64556ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65198 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 finished in 180882 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U G((p1||F(!p2))))))'
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-06-01 06:03:23] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-06-01 06:03:23] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 06:03:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-06-01 06:03:32] [INFO ] Deduced a trap composed of 5 places in 132 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/372 variables, and 8 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/126 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (OVERLAPS) 246/372 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1377 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20623 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 45638ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 45649ms
[2024-06-01 06:04:09] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 06:04:09] [INFO ] Invariant cache hit.
[2024-06-01 06:04:09] [INFO ] Implicit Places using invariants in 249 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 263 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45926 ms. Remains : 124/126 places, 1226/1226 transitions.
Stuttering acceptance computed with spot in 175 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Product exploration explored 100000 steps with 982 reset in 472 ms.
Product exploration explored 100000 steps with 928 reset in 370 ms.
Computed a total of 107 stabilizing places and 202 stable transitions
Computed a total of 107 stabilizing places and 202 stable transitions
Detected a total of 107/124 stabilizing places and 202/1226 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 15 factoid took 188 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 184 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (88 resets) in 876 ms. (45 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40002 steps (36 resets) in 444 ms. (89 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (32 resets) in 273 ms. (145 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (44 resets) in 694 ms. (57 steps per ms) remains 3/3 properties
[2024-06-01 06:04:11] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2024-06-01 06:04:11] [INFO ] Computed 5 invariants in 3 ms
[2024-06-01 06:04:11] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/369 variables, 123/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 20/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/370 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/370 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/370 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 149 constraints, problems are : Problem set: 0 solved, 3 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 114/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 246/369 variables, 123/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/369 variables, 20/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/369 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/370 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 152 constraints, problems are : Problem set: 0 solved, 3 unsolved in 678 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 869ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1480 ms.
Support contains 9 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 96 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:04:14] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 06:04:14] [INFO ] Computed 5 invariants in 2 ms
[2024-06-01 06:04:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:04:24] [INFO ] Deduced a trap composed of 5 places in 398 ms of which 26 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44915ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44929ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45029 ms. Remains : 123/124 places, 1225/1226 transitions.
RANDOM walk for 40000 steps (104 resets) in 714 ms. (55 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (44 resets) in 324 ms. (123 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (39 resets) in 319 ms. (125 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (52 resets) in 401 ms. (99 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 502416 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :2 out of 3
Probabilistic random walk after 502416 steps, saw 139482 distinct states, run finished after 3004 ms. (steps per millisecond=167 ) properties seen :2
[2024-06-01 06:05:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:05:02] [INFO ] Invariant cache hit.
[2024-06-01 06:05:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 403 ms. (99 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (39 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 579654 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 1
Probabilistic random walk after 579654 steps, saw 161720 distinct states, run finished after 3001 ms. (steps per millisecond=193 ) properties seen :0
[2024-06-01 06:05:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:05:06] [INFO ] Invariant cache hit.
[2024-06-01 06:05:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 335 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 522ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 54 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 53 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 06:05:07] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:05:07] [INFO ] Invariant cache hit.
[2024-06-01 06:05:07] [INFO ] Implicit Places using invariants in 186 ms returned []
[2024-06-01 06:05:07] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:05:07] [INFO ] Invariant cache hit.
[2024-06-01 06:05:07] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:05:07] [INFO ] Implicit Places using invariants and state equation in 411 ms returned []
Implicit Place search using SMT with State Equation took 598 ms to find 0 implicit places.
[2024-06-01 06:05:07] [INFO ] Redundant transitions in 13 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:05:07] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:05:07] [INFO ] Invariant cache hit.
[2024-06-01 06:05:07] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:05:15] [INFO ] Deduced a trap composed of 5 places in 119 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64624ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64635ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65309 ms. Remains : 123/123 places, 1225/1225 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 15 factoid took 528 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 124 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 75 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:06:13] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:06:13] [INFO ] Invariant cache hit.
[2024-06-01 06:06:13] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:06:22] [INFO ] Deduced a trap composed of 5 places in 140 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45202ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45216ms
[2024-06-01 06:06:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:06:58] [INFO ] Invariant cache hit.
[2024-06-01 06:06:58] [INFO ] Implicit Places using invariants in 206 ms returned []
[2024-06-01 06:06:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:06:58] [INFO ] Invariant cache hit.
[2024-06-01 06:06:58] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:06:59] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 681 ms to find 0 implicit places.
[2024-06-01 06:06:59] [INFO ] Redundant transitions in 13 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:06:59] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:06:59] [INFO ] Invariant cache hit.
[2024-06-01 06:06:59] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:07:09] [INFO ] Deduced a trap composed of 5 places in 137 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 (/ 1.0 2.0))
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
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(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 66179ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 66195ms
Starting structural reductions in SI_LTL mode, iteration 1 : 123/124 places, 1225/1226 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112192 ms. Remains : 123/124 places, 1225/1226 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 122 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 652 ms. (61 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40004 steps (44 resets) in 261 ms. (152 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (38 resets) in 239 ms. (166 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (52 resets) in 304 ms. (131 steps per ms) remains 3/3 properties
[2024-06-01 06:08:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:08:06] [INFO ] Invariant cache hit.
[2024-06-01 06:08:06] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 618 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 884ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 753 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:08:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:08:08] [INFO ] Invariant cache hit.
[2024-06-01 06:08:08] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:08:17] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20051 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45653ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45665ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45721 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 639 ms. (62 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (44 resets) in 281 ms. (141 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (38 resets) in 231 ms. (172 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (52 resets) in 367 ms. (108 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 513735 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :2 out of 3
Probabilistic random walk after 513735 steps, saw 142718 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :2
[2024-06-01 06:08:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:08:57] [INFO ] Invariant cache hit.
[2024-06-01 06:08:57] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 589ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 64 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 344 ms. (115 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (38 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 512592 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 1
Probabilistic random walk after 512592 steps, saw 142343 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2024-06-01 06:09:01] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:09:01] [INFO ] Invariant cache hit.
[2024-06-01 06:09:01] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 568ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 52 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 52 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 06:09:01] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:09:01] [INFO ] Invariant cache hit.
[2024-06-01 06:09:02] [INFO ] Implicit Places using invariants in 191 ms returned []
[2024-06-01 06:09:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:09:02] [INFO ] Invariant cache hit.
[2024-06-01 06:09:02] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:09:02] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
[2024-06-01 06:09:02] [INFO ] Redundant transitions in 18 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:09:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:09:02] [INFO ] Invariant cache hit.
[2024-06-01 06:09:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:09:11] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 35750ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 35762ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36425 ms. Remains : 123/123 places, 1225/1225 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 123 transition count 245
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 982 place count 122 transition count 244
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 983 place count 122 transition count 243
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 984 place count 121 transition count 243
Applied a total of 984 rules in 28 ms. Remains 121 /123 variables (removed 2) and now considering 243/1225 (removed 982) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 243 rows 121 cols
[2024-06-01 06:09:38] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 06:09:38] [INFO ] [Real]Absence check using 5 positive place invariants in 52 ms returned sat
[2024-06-01 06:09:39] [INFO ] After 833ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 06:09:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 06:09:39] [INFO ] After 68ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-06-01 06:09:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 06:09:39] [INFO ] After 19ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 06:09:39] [INFO ] After 39ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 06:09:39] [INFO ] After 172ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1051 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 19 factoid took 469 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 240 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 181 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Product exploration explored 100000 steps with 1028 reset in 492 ms.
Product exploration explored 100000 steps with 1075 reset in 430 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 97 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:09:41] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 06:09:41] [INFO ] Computed 5 invariants in 2 ms
[2024-06-01 06:09:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:09:49] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20047 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44774ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44789ms
[2024-06-01 06:10:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:10:26] [INFO ] Invariant cache hit.
[2024-06-01 06:10:26] [INFO ] Implicit Places using invariants in 134 ms returned []
[2024-06-01 06:10:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:10:26] [INFO ] Invariant cache hit.
[2024-06-01 06:10:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:10:26] [INFO ] Implicit Places using invariants and state equation in 336 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
[2024-06-01 06:10:26] [INFO ] Redundant transitions in 12 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:10:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:10:26] [INFO ] Invariant cache hit.
[2024-06-01 06:10:26] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:10:34] [INFO ] Deduced a trap composed of 5 places in 114 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65127ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65138ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110531 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 finished in 488424 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 104 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-06-01 06:11:32] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-06-01 06:11:32] [INFO ] Computed 6 invariants in 2 ms
[2024-06-01 06:11:32] [INFO ] Implicit Places using invariants in 309 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 311 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 57 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 473 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
Product exploration explored 100000 steps with 1189 reset in 339 ms.
Product exploration explored 100000 steps with 1180 reset in 284 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 248 steps (0 resets) in 4 ms. (49 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 79 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2024-06-01 06:11:33] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:11:33] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 06:11:33] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:11:33] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2024-06-01 06:11:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:11:34] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:11:34] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2024-06-01 06:11:34] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:11:34] [INFO ] [Nat]Added 20 Read/Feed constraints in 42 ms returned sat
[2024-06-01 06:11:34] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 27 ms.
[2024-06-01 06:11:34] [INFO ] Added : 27 causal constraints over 7 iterations in 217 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 46 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:11:34] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:11:34] [INFO ] Invariant cache hit.
[2024-06-01 06:11:35] [INFO ] Implicit Places using invariants in 310 ms returned []
[2024-06-01 06:11:35] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:11:35] [INFO ] Invariant cache hit.
[2024-06-01 06:11:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:11:35] [INFO ] Implicit Places using invariants and state equation in 646 ms returned []
Implicit Place search using SMT with State Equation took 959 ms to find 0 implicit places.
[2024-06-01 06:11:35] [INFO ] Redundant transitions in 12 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:11:35] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:11:35] [INFO ] Invariant cache hit.
[2024-06-01 06:11:35] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:11:44] [INFO ] Deduced a trap composed of 5 places in 231 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65106ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65116ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66140 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 80 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
RANDOM walk for 405 steps (0 resets) in 5 ms. (67 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
[2024-06-01 06:12:41] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:12:41] [INFO ] Invariant cache hit.
[2024-06-01 06:12:41] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 06:12:41] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2024-06-01 06:12:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:12:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:12:42] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2024-06-01 06:12:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:12:42] [INFO ] [Nat]Added 20 Read/Feed constraints in 23 ms returned sat
[2024-06-01 06:12:42] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 33 ms.
[2024-06-01 06:12:42] [INFO ] Added : 27 causal constraints over 7 iterations in 297 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Product exploration explored 100000 steps with 1189 reset in 291 ms.
Product exploration explored 100000 steps with 1188 reset in 289 ms.
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 45 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:12:43] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:12:43] [INFO ] Invariant cache hit.
[2024-06-01 06:12:43] [INFO ] Implicit Places using invariants in 212 ms returned []
[2024-06-01 06:12:43] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:12:43] [INFO ] Invariant cache hit.
[2024-06-01 06:12:43] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:12:43] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 667 ms to find 0 implicit places.
[2024-06-01 06:12:43] [INFO ] Redundant transitions in 18 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:12:43] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:12:43] [INFO ] Invariant cache hit.
[2024-06-01 06:12:43] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:12:52] [INFO ] Deduced a trap composed of 5 places in 133 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65361ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65374ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66114 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-11 finished in 137440 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 101 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-06-01 06:13:49] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-06-01 06:13:49] [INFO ] Computed 6 invariants in 3 ms
[2024-06-01 06:13:49] [INFO ] Implicit Places using invariants in 301 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 325 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 50 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 476 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
Product exploration explored 100000 steps with 5300 reset in 405 ms.
Product exploration explored 100000 steps with 5493 reset in 401 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 80 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
RANDOM walk for 169 steps (0 resets) in 6 ms. (24 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 83 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
[2024-06-01 06:13:51] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:13:51] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 06:13:51] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:13:51] [INFO ] [Real]Absence check using state equation in 250 ms returned sat
[2024-06-01 06:13:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:13:51] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:13:51] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-06-01 06:13:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:13:51] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-06-01 06:13:52] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 23 ms.
[2024-06-01 06:13:52] [INFO ] Added : 29 causal constraints over 7 iterations in 145 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 49 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:13:52] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:13:52] [INFO ] Invariant cache hit.
[2024-06-01 06:13:52] [INFO ] Implicit Places using invariants in 146 ms returned []
[2024-06-01 06:13:52] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:13:52] [INFO ] Invariant cache hit.
[2024-06-01 06:13:52] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:13:52] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
[2024-06-01 06:13:52] [INFO ] Redundant transitions in 18 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:13:52] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:13:52] [INFO ] Invariant cache hit.
[2024-06-01 06:13:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:14:02] [INFO ] Deduced a trap composed of 5 places in 135 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 66332ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 66351ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 67020 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
RANDOM walk for 80 steps (0 resets) in 4 ms. (16 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 80 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2024-06-01 06:14:59] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:14:59] [INFO ] Invariant cache hit.
[2024-06-01 06:14:59] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:15:00] [INFO ] [Real]Absence check using state equation in 256 ms returned sat
[2024-06-01 06:15:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:15:00] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-01 06:15:00] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2024-06-01 06:15:00] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:15:00] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2024-06-01 06:15:00] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 132 transitions) in 28 ms.
[2024-06-01 06:15:00] [INFO ] Added : 29 causal constraints over 7 iterations in 163 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5249 reset in 305 ms.
Product exploration explored 100000 steps with 5155 reset in 410 ms.
Support contains 2 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 56 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:15:01] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:15:01] [INFO ] Invariant cache hit.
[2024-06-01 06:15:01] [INFO ] Implicit Places using invariants in 245 ms returned []
[2024-06-01 06:15:01] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:15:01] [INFO ] Invariant cache hit.
[2024-06-01 06:15:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:15:02] [INFO ] Implicit Places using invariants and state equation in 456 ms returned []
Implicit Place search using SMT with State Equation took 724 ms to find 0 implicit places.
[2024-06-01 06:15:02] [INFO ] Redundant transitions in 23 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:15:02] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:15:02] [INFO ] Invariant cache hit.
[2024-06-01 06:15:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:15:11] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 9 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 64983ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64994ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65805 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 finished in 137991 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 70 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-06-01 06:16:07] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-06-01 06:16:07] [INFO ] Computed 6 invariants in 1 ms
[2024-06-01 06:16:07] [INFO ] Implicit Places using invariants in 243 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 256 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 47 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 374 ms. Remains : 120/126 places, 1223/1226 transitions.
Stuttering acceptance computed with spot in 84 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
Product exploration explored 100000 steps with 413 reset in 376 ms.
Product exploration explored 100000 steps with 398 reset in 388 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Detected a total of 104/120 stabilizing places and 200/1223 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 152 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 313 steps (0 resets) in 6 ms. (44 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 6 factoid took 151 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 4 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 63 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:16:09] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:16:09] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 06:16:09] [INFO ] Implicit Places using invariants in 228 ms returned []
[2024-06-01 06:16:09] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:16:09] [INFO ] Invariant cache hit.
[2024-06-01 06:16:09] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:16:10] [INFO ] Implicit Places using invariants and state equation in 526 ms returned []
Implicit Place search using SMT with State Equation took 778 ms to find 0 implicit places.
[2024-06-01 06:16:10] [INFO ] Redundant transitions in 13 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:16:10] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:16:10] [INFO ] Invariant cache hit.
[2024-06-01 06:16:10] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:16:19] [INFO ] Deduced a trap composed of 5 places in 142 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:16:43] [INFO ] Deduced a trap composed of 14 places in 95 ms of which 1 ms to minimize.
[2024-06-01 06:16:43] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 147 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/127 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1367 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1367 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 3/3 constraints]
After SMT, in 65695ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65711ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 66579 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Detected a total of 104/120 stabilizing places and 200/1223 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 108 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 306 steps (0 resets) in 7 ms. (38 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 6 factoid took 136 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 94 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 81 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 400 reset in 404 ms.
Product exploration explored 100000 steps with 397 reset in 385 ms.
Support contains 4 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 44 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:17:17] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:17:17] [INFO ] Invariant cache hit.
[2024-06-01 06:17:17] [INFO ] Implicit Places using invariants in 201 ms returned []
[2024-06-01 06:17:17] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:17:17] [INFO ] Invariant cache hit.
[2024-06-01 06:17:17] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:17:17] [INFO ] Implicit Places using invariants and state equation in 370 ms returned []
Implicit Place search using SMT with State Equation took 605 ms to find 0 implicit places.
[2024-06-01 06:17:17] [INFO ] Redundant transitions in 14 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:17:17] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:17:17] [INFO ] Invariant cache hit.
[2024-06-01 06:17:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:17:26] [INFO ] Deduced a trap composed of 5 places in 252 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:17:50] [INFO ] Deduced a trap composed of 14 places in 98 ms of which 1 ms to minimize.
[2024-06-01 06:17:50] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 147 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/127 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1367 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1367 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 3/3 constraints]
After SMT, in 65008ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65019ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65690 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 finished in 135650 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&G(p2))))'
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 83 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-06-01 06:18:23] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-06-01 06:18:23] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 06:18:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-06-01 06:18:32] [INFO ] Deduced a trap composed of 5 places in 128 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/372 variables, and 8 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/126 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (OVERLAPS) 246/372 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1377 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20588 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 45758ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 45773ms
[2024-06-01 06:19:08] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 06:19:08] [INFO ] Invariant cache hit.
[2024-06-01 06:19:11] [INFO ] Implicit Places using invariants in 2204 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 2213 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 125/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 49 ms. Remains 125 /125 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 48122 ms. Remains : 125/126 places, 1226/1226 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-15
Stuttering criterion allowed to conclude after 421 steps with 0 reset in 3 ms.
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-15 finished in 48264 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X(p1)))))'
Found a Shortening insensitive property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Support contains 6 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 122 transition count 1223
Applied a total of 7 rules in 39 ms. Remains 122 /126 variables (removed 4) and now considering 1223/1226 (removed 3) transitions.
[2024-06-01 06:19:11] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 122 cols
[2024-06-01 06:19:11] [INFO ] Computed 6 invariants in 2 ms
[2024-06-01 06:19:11] [INFO ] Implicit Places using invariants in 204 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 206 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 120/126 places, 1223/1226 transitions.
Applied a total of 0 rules in 11 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 256 ms. Remains : 120/126 places, 1223/1226 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
Product exploration explored 100000 steps with 33248 reset in 507 ms.
Product exploration explored 100000 steps with 33379 reset in 534 ms.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 145 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (124 resets) in 371 ms. (107 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40002 steps (64 resets) in 640 ms. (62 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (64 resets) in 550 ms. (72 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (64 resets) in 774 ms. (51 steps per ms) remains 3/3 properties
[2024-06-01 06:19:14] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:19:14] [INFO ] Computed 4 invariants in 3 ms
[2024-06-01 06:19:14] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf0 is UNSAT
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 0/142 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/363 variables, 2/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 0/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/363 variables, 0/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 144 constraints, problems are : Problem set: 1 solved, 2 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 2/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/361 variables, 0/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/363 variables, 2/146 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/146 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/363 variables, 0/146 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 146 constraints, problems are : Problem set: 1 solved, 2 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 642ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 39 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 54 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 120/120 places, 1223/1223 transitions.
RANDOM walk for 40000 steps (124 resets) in 1171 ms. (34 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (64 resets) in 761 ms. (52 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (64 resets) in 742 ms. (53 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 380171 steps, run timeout after 3001 ms. (steps per millisecond=126 ) properties seen :0 out of 2
Probabilistic random walk after 380171 steps, saw 128622 distinct states, run finished after 3003 ms. (steps per millisecond=126 ) properties seen :0
[2024-06-01 06:19:18] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:19:18] [INFO ] Invariant cache hit.
[2024-06-01 06:19:18] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/363 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/361 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/363 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 2 unsolved in 310 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 515ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 29 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 44 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 120/120 places, 1223/1223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 44 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:19:19] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:19:19] [INFO ] Invariant cache hit.
[2024-06-01 06:19:19] [INFO ] Implicit Places using invariants in 182 ms returned []
[2024-06-01 06:19:19] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:19:19] [INFO ] Invariant cache hit.
[2024-06-01 06:19:19] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:19:19] [INFO ] Implicit Places using invariants and state equation in 431 ms returned []
Implicit Place search using SMT with State Equation took 655 ms to find 0 implicit places.
[2024-06-01 06:19:19] [INFO ] Redundant transitions in 14 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:19:19] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:19:19] [INFO ] Invariant cache hit.
[2024-06-01 06:19:19] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:19:28] [INFO ] Deduced a trap composed of 5 places in 128 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65061ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65071ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65796 ms. Remains : 120/120 places, 1223/1223 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 120 transition count 243
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 982 place count 120 transition count 241
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 984 place count 118 transition count 241
Applied a total of 984 rules in 12 ms. Remains 118 /120 variables (removed 2) and now considering 241/1223 (removed 982) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 241 rows 118 cols
[2024-06-01 06:20:24] [INFO ] Computed 4 invariants in 2 ms
[2024-06-01 06:20:25] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 06:20:25] [INFO ] After 144ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-06-01 06:20:25] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:20:25] [INFO ] After 107ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-06-01 06:20:25] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 06:20:25] [INFO ] After 29ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-06-01 06:20:25] [INFO ] After 69ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-06-01 06:20:25] [INFO ] After 272ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 441 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 10 factoid took 160 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 51 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:20:25] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:20:25] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 06:20:26] [INFO ] Implicit Places using invariants in 157 ms returned []
[2024-06-01 06:20:26] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:20:26] [INFO ] Invariant cache hit.
[2024-06-01 06:20:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:20:26] [INFO ] Implicit Places using invariants and state equation in 403 ms returned []
Implicit Place search using SMT with State Equation took 582 ms to find 0 implicit places.
[2024-06-01 06:20:26] [INFO ] Redundant transitions in 12 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:20:26] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:20:26] [INFO ] Invariant cache hit.
[2024-06-01 06:20:26] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:20:35] [INFO ] Deduced a trap composed of 5 places in 115 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65135ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65146ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65812 ms. Remains : 120/120 places, 1223/1223 transitions.
Computed a total of 104 stabilizing places and 200 stable transitions
Computed a total of 104 stabilizing places and 200 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 94 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
RANDOM walk for 40000 steps (124 resets) in 996 ms. (40 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40000 steps (62 resets) in 530 ms. (75 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (64 resets) in 449 ms. (88 steps per ms) remains 2/2 properties
[2024-06-01 06:21:32] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:21:32] [INFO ] Invariant cache hit.
[2024-06-01 06:21:32] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/363 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 232 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/361 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/363 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 2 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 595ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 36 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 43 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 120/120 places, 1223/1223 transitions.
RANDOM walk for 40000 steps (124 resets) in 1029 ms. (38 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (62 resets) in 530 ms. (75 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (64 resets) in 498 ms. (80 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 360781 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :0 out of 2
Probabilistic random walk after 360781 steps, saw 122162 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
[2024-06-01 06:21:36] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:21:36] [INFO ] Invariant cache hit.
[2024-06-01 06:21:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/363 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/363 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/118 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 243/361 variables, 118/122 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/361 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/361 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/363 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/363 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 363/363 variables, and 146 constraints, problems are : Problem set: 0 solved, 2 unsolved in 284 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 560ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 22 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 44 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 120/120 places, 1223/1223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 44 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:21:37] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:21:37] [INFO ] Invariant cache hit.
[2024-06-01 06:21:37] [INFO ] Implicit Places using invariants in 236 ms returned []
[2024-06-01 06:21:37] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:21:37] [INFO ] Invariant cache hit.
[2024-06-01 06:21:37] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:21:38] [INFO ] Implicit Places using invariants and state equation in 373 ms returned []
Implicit Place search using SMT with State Equation took 610 ms to find 0 implicit places.
[2024-06-01 06:21:38] [INFO ] Redundant transitions in 13 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:21:38] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:21:38] [INFO ] Invariant cache hit.
[2024-06-01 06:21:38] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:21:46] [INFO ] Deduced a trap composed of 5 places in 124 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 64800ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 64811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65497 ms. Remains : 120/120 places, 1223/1223 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 120 transition count 243
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 982 place count 120 transition count 241
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 984 place count 118 transition count 241
Applied a total of 984 rules in 9 ms. Remains 118 /120 variables (removed 2) and now considering 241/1223 (removed 982) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 241 rows 118 cols
[2024-06-01 06:22:43] [INFO ] Computed 4 invariants in 2 ms
[2024-06-01 06:22:43] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:22:43] [INFO ] After 158ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-06-01 06:22:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 06:22:43] [INFO ] After 72ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-06-01 06:22:43] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 06:22:43] [INFO ] After 22ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-06-01 06:22:43] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-06-01 06:22:43] [INFO ] After 195ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 375 ms.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F (NOT p0))]
Knowledge based reduction with 7 factoid took 170 ms. Reduced automaton from 4 states, 9 edges and 2 AP (stutter insensitive) to 4 states, 9 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 176 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), false]
Product exploration explored 100000 steps with 1394 reset in 449 ms.
Product exploration explored 100000 steps with 1415 reset in 445 ms.
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 1223/1223 transitions.
Applied a total of 0 rules in 99 ms. Remains 120 /120 variables (removed 0) and now considering 1223/1223 (removed 0) transitions.
[2024-06-01 06:22:45] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
// Phase 1: matrix 243 rows 120 cols
[2024-06-01 06:22:45] [INFO ] Computed 4 invariants in 1 ms
[2024-06-01 06:22:45] [INFO ] Implicit Places using invariants in 158 ms returned []
[2024-06-01 06:22:45] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:22:45] [INFO ] Invariant cache hit.
[2024-06-01 06:22:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:22:45] [INFO ] Implicit Places using invariants and state equation in 440 ms returned []
Implicit Place search using SMT with State Equation took 626 ms to find 0 implicit places.
[2024-06-01 06:22:45] [INFO ] Redundant transitions in 18 ms returned []
Running 1220 sub problems to find dead transitions.
[2024-06-01 06:22:45] [INFO ] Flow matrix only has 243 transitions (discarded 980 similar events)
[2024-06-01 06:22:45] [INFO ] Invariant cache hit.
[2024-06-01 06:22:45] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
[2024-06-01 06:22:53] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/363 variables, and 145 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1220 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 3 (OVERLAPS) 243/363 variables, 120/125 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/363 variables, 20/145 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 1220/1365 constraints. Problems are: Problem set: 0 solved, 1220 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 1365 constraints, problems are : Problem set: 0 solved, 1220 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 120/120 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1220/1220 constraints, Known Traps: 1/1 constraints]
After SMT, in 65043ms problems are : Problem set: 0 solved, 1220 unsolved
Search for dead transitions found 0 dead transitions in 65056ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 65807 ms. Remains : 120/120 places, 1223/1223 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 finished in 279360 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0 U G((p1||F(!p2))))))'
Found a Lengthening insensitive property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Stuttering acceptance computed with spot in 322 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 126 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 15 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:23:51] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 06:23:51] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 06:23:51] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:23:59] [INFO ] Deduced a trap composed of 5 places in 120 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20231 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44922ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44934ms
[2024-06-01 06:24:36] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:24:36] [INFO ] Invariant cache hit.
[2024-06-01 06:24:36] [INFO ] Implicit Places using invariants in 227 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 242 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 9 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 45212 ms. Remains : 123/126 places, 1225/1226 transitions.
Running random walk in product with property : BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
Product exploration explored 100000 steps with 1057 reset in 396 ms.
Product exploration explored 100000 steps with 1003 reset in 410 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 15 factoid took 145 ms. Reduced automaton from 6 states, 14 edges and 3 AP (stutter sensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 1068 ms. (37 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (44 resets) in 515 ms. (77 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (38 resets) in 515 ms. (77 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (52 resets) in 594 ms. (67 steps per ms) remains 3/3 properties
[2024-06-01 06:24:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 06:24:38] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 06:24:38] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 705 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 891ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 769 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 43 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:24:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:24:40] [INFO ] Invariant cache hit.
[2024-06-01 06:24:40] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:24:48] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20050 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45126ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45138ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45185 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 1182 ms. (33 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (44 resets) in 682 ms. (58 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (38 resets) in 489 ms. (81 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (52 resets) in 516 ms. (77 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 483007 steps, run timeout after 3001 ms. (steps per millisecond=160 ) properties seen :2 out of 3
Probabilistic random walk after 483007 steps, saw 133933 distinct states, run finished after 3002 ms. (steps per millisecond=160 ) properties seen :2
[2024-06-01 06:25:29] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:25:29] [INFO ] Invariant cache hit.
[2024-06-01 06:25:29] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 298 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 493ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 407 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (38 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 452342 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 1
Probabilistic random walk after 452342 steps, saw 125507 distinct states, run finished after 3001 ms. (steps per millisecond=150 ) properties seen :0
[2024-06-01 06:25:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:25:33] [INFO ] Invariant cache hit.
[2024-06-01 06:25:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 397 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 584ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 51 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 61 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 06:25:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:25:33] [INFO ] Invariant cache hit.
[2024-06-01 06:25:33] [INFO ] Implicit Places using invariants in 202 ms returned []
[2024-06-01 06:25:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:25:34] [INFO ] Invariant cache hit.
[2024-06-01 06:25:34] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:25:34] [INFO ] Implicit Places using invariants and state equation in 558 ms returned []
Implicit Place search using SMT with State Equation took 787 ms to find 0 implicit places.
[2024-06-01 06:25:34] [INFO ] Redundant transitions in 17 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:25:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:25:34] [INFO ] Invariant cache hit.
[2024-06-01 06:25:34] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:25:43] [INFO ] Deduced a trap composed of 5 places in 158 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65440ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65454ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66350 ms. Remains : 123/123 places, 1225/1225 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 15 factoid took 502 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 64 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:26:41] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:26:41] [INFO ] Invariant cache hit.
[2024-06-01 06:26:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:26:51] [INFO ] Deduced a trap composed of 5 places in 260 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20049 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45148ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45161ms
[2024-06-01 06:27:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:27:26] [INFO ] Invariant cache hit.
[2024-06-01 06:27:26] [INFO ] Implicit Places using invariants in 189 ms returned []
[2024-06-01 06:27:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:27:26] [INFO ] Invariant cache hit.
[2024-06-01 06:27:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:27:26] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 607 ms to find 0 implicit places.
[2024-06-01 06:27:26] [INFO ] Redundant transitions in 17 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:27:26] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:27:26] [INFO ] Invariant cache hit.
[2024-06-01 06:27:26] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:27:34] [INFO ] Deduced a trap composed of 5 places in 125 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65017ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65030ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110889 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 147 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 167 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 40000 steps (104 resets) in 1311 ms. (30 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40002 steps (44 resets) in 572 ms. (69 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (38 resets) in 534 ms. (74 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (52 resets) in 387 ms. (103 steps per ms) remains 3/3 properties
[2024-06-01 06:28:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:28:33] [INFO ] Invariant cache hit.
[2024-06-01 06:28:33] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 687 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 874ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 816 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 58 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:28:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:28:34] [INFO ] Invariant cache hit.
[2024-06-01 06:28:34] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:28:43] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44716ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44753ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44815 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40001 steps (104 resets) in 900 ms. (44 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (44 resets) in 651 ms. (61 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (37 resets) in 640 ms. (62 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (52 resets) in 685 ms. (58 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 457417 steps, run timeout after 3001 ms. (steps per millisecond=152 ) properties seen :2 out of 3
Probabilistic random walk after 457417 steps, saw 126867 distinct states, run finished after 3001 ms. (steps per millisecond=152 ) properties seen :2
[2024-06-01 06:29:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:29:23] [INFO ] Invariant cache hit.
[2024-06-01 06:29:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 530ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 48 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 364 ms. (109 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (38 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 446905 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 446905 steps, saw 124032 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2024-06-01 06:29:27] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:29:27] [INFO ] Invariant cache hit.
[2024-06-01 06:29:27] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/368 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/368 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 148 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 113/122 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 245/367 variables, 122/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 20/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/368 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/368 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 490ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 54 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 81 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 06:29:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:29:28] [INFO ] Invariant cache hit.
[2024-06-01 06:29:28] [INFO ] Implicit Places using invariants in 164 ms returned []
[2024-06-01 06:29:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:29:28] [INFO ] Invariant cache hit.
[2024-06-01 06:29:28] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:29:28] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 542 ms to find 0 implicit places.
[2024-06-01 06:29:28] [INFO ] Redundant transitions in 12 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:29:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:29:28] [INFO ] Invariant cache hit.
[2024-06-01 06:29:28] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:29:37] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 35199ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 35213ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35869 ms. Remains : 123/123 places, 1225/1225 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 980 transitions
Reduce isomorphic transitions removed 980 transitions.
Iterating post reduction 0 with 980 rules applied. Total rules applied 980 place count 123 transition count 245
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 982 place count 122 transition count 244
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 983 place count 122 transition count 243
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 984 place count 121 transition count 243
Applied a total of 984 rules in 14 ms. Remains 121 /123 variables (removed 2) and now considering 243/1225 (removed 982) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 243 rows 121 cols
[2024-06-01 06:30:03] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 06:30:03] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-06-01 06:30:04] [INFO ] After 112ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 06:30:04] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-06-01 06:30:04] [INFO ] After 73ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-06-01 06:30:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 06:30:04] [INFO ] After 24ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 06:30:04] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 06:30:04] [INFO ] After 194ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 335 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0 (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p0) p1))), (F p2), (F (NOT (OR (NOT p2) (NOT p1)))), (F p1), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 19 factoid took 438 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter insensitive) to 5 states, 13 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p1) p2), p2, (AND p2 (NOT p1)), (AND (NOT p1) p2), (AND p2 (NOT p1))]
Product exploration explored 100000 steps with 1037 reset in 386 ms.
Product exploration explored 100000 steps with 999 reset in 392 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 50 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:30:06] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 06:30:06] [INFO ] Computed 5 invariants in 3 ms
[2024-06-01 06:30:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:30:15] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20327 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 46295ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 46306ms
[2024-06-01 06:30:52] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:30:52] [INFO ] Invariant cache hit.
[2024-06-01 06:30:52] [INFO ] Implicit Places using invariants in 144 ms returned []
[2024-06-01 06:30:52] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:30:52] [INFO ] Invariant cache hit.
[2024-06-01 06:30:52] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:30:52] [INFO ] Implicit Places using invariants and state equation in 357 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
[2024-06-01 06:30:52] [INFO ] Redundant transitions in 15 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:30:52] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:30:52] [INFO ] Invariant cache hit.
[2024-06-01 06:30:52] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:31:01] [INFO ] Deduced a trap composed of 5 places in 127 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
SMT process timed out in 34927ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 34939ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 81852 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 finished in 457073 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
[2024-06-01 06:31:28] [INFO ] Flatten gal took : 106 ms
[2024-06-01 06:31:28] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-01 06:31:28] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 126 places, 1226 transitions and 9200 arcs took 15 ms.
Total runtime 2298596 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-08 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-10 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-11 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-12 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P50N10-LTLFireability-13 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717224611874

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-04
ltl formula formula --ltl=/tmp/2743/ltl_0_
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 126 places, 1226 transitions and 9200 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_0_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.360 real 0.040 user 0.060 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_0_
pnml2lts-mc( 0/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
pnml2lts-mc( 1/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
pnml2lts-mc( 2/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** 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:
*** 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:
*** 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:
malloc_consolidate(): unaligned fastbin chunk detected
malloc_consolidate(): unaligned fastbin chunk detected
malloc_consolidate(): unaligned fastbin chunk detected
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-08
ltl formula formula --ltl=/tmp/2743/ltl_1_
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 126 places, 1226 transitions and 9200 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 0.290 real 0.080 user 0.050 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1236 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~425 levels ~10000 states ~34400 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~20000 states ~68188 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~40000 states ~149356 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~80000 states ~291956 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~160000 states ~583172 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~320000 states ~1303688 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~640000 states ~2702388 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~1280000 states ~5511952 transitions
pnml2lts-mc( 1/ 4): ~430 levels ~2560000 states ~11064960 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~5120000 states ~21313616 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~10240000 states ~45794744 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~20480000 states ~93847308 transitions
pnml2lts-mc( 0/ 4): ~425 levels ~40960000 states ~189985888 transitions
pnml2lts-mc( 1/ 4): Error: tree roots table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 33549674
pnml2lts-mc( 0/ 4): unique states count: 33550776
pnml2lts-mc( 0/ 4): unique transitions count: 157524035
pnml2lts-mc( 0/ 4): - self-loop count: 20
pnml2lts-mc( 0/ 4): - claim dead count: 123981403
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 33554659
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1729
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 33554659 states 157551220 transitions, fanout: 4.695
pnml2lts-mc( 0/ 4): Total exploration time 389.910 sec (389.880 sec minimum, 389.893 sec on average)
pnml2lts-mc( 0/ 4): States per second: 86057, Transitions per second: 404071
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 260.3MB, 8.1 B/state, compr.: 1.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 99.0%/6.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 260.3MB (~256.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-10
ltl formula formula --ltl=/tmp/2743/ltl_2_
Warning: program compiled against libxml 210 using older 209
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
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1226 transitions and 9200 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 0.280 real 0.060 user 0.060 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 7 states
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_2_
pnml2lts-mc( 0/ 4): There are 128 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1288 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~430 levels ~10000 states ~26696 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~20000 states ~54348 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~40000 states ~108040 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~80000 states ~214520 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~160000 states ~431564 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~320000 states ~867860 transitions
pnml2lts-mc( 2/ 4): ~425 levels ~640000 states ~1751920 transitions
pnml2lts-mc( 2/ 4): ~425 levels ~1280000 states ~3513428 transitions
pnml2lts-mc( 2/ 4): ~425 levels ~2560000 states ~7602552 transitions
pnml2lts-mc( 1/ 4): ~427 levels ~5120000 states ~16869832 transitions
pnml2lts-mc( 1/ 4): ~427 levels ~10240000 states ~33893972 transitions
pnml2lts-mc( 1/ 4): ~427 levels ~20480000 states ~70936548 transitions
pnml2lts-mc( 0/ 4): Error: tree roots table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 33551891
pnml2lts-mc( 0/ 4): unique states count: 33552999
pnml2lts-mc( 0/ 4): unique transitions count: 120236024
pnml2lts-mc( 0/ 4): - self-loop count: 20
pnml2lts-mc( 0/ 4): - claim dead count: 87455401
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 33986497
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1709
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 33986497 states 121855701 transitions, fanout: 3.585
pnml2lts-mc( 0/ 4): Total exploration time 304.110 sec (304.100 sec minimum, 304.105 sec on average)
pnml2lts-mc( 0/ 4): States per second: 111757, Transitions per second: 400696
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 262.9MB, 8.2 B/state, compr.: 1.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 99.0%/10.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 262.9MB (~256.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-11
ltl formula formula --ltl=/tmp/2743/ltl_3_
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 126 places, 1226 transitions and 9200 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 0.210 real 0.060 user 0.060 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_3_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_3_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_3_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1228 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4): ~130 levels ~10000 states ~31496 transitions
pnml2lts-mc( 2/ 4): ~130 levels ~20000 states ~76636 transitions
pnml2lts-mc( 2/ 4): ~130 levels ~40000 states ~170156 transitions
pnml2lts-mc( 2/ 4): ~130 levels ~80000 states ~365152 transitions
pnml2lts-mc( 0/ 4): ~341 levels ~160000 states ~680884 transitions
pnml2lts-mc( 0/ 4): ~356 levels ~320000 states ~1389220 transitions
pnml2lts-mc( 1/ 4): ~372 levels ~640000 states ~2683172 transitions
pnml2lts-mc( 2/ 4): ~190 levels ~1280000 states ~6326504 transitions
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~427!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 2290128
pnml2lts-mc( 0/ 4): unique states count: 2291318
pnml2lts-mc( 0/ 4): unique transitions count: 11242583
pnml2lts-mc( 0/ 4): - self-loop count: 2
pnml2lts-mc( 0/ 4): - claim dead count: 8947073
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 2291343
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1447
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 2291343 states 11242723 transitions, fanout: 4.907
pnml2lts-mc( 0/ 4): Total exploration time 21.480 sec (21.480 sec minimum, 21.480 sec on average)
pnml2lts-mc( 0/ 4): States per second: 106673, Transitions per second: 523404
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 20.1MB, 9.2 B/state, compr.: 1.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 6.0%/4.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 20.1MB (~256.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-12
ltl formula formula --ltl=/tmp/2743/ltl_4_
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 126 places, 1226 transitions and 9200 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 0.210 real 0.030 user 0.060 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_4_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_4_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_4_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_4_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1228 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~138 levels ~10000 states ~39540 transitions
pnml2lts-mc( 0/ 4): ~138 levels ~20000 states ~104536 transitions
pnml2lts-mc( 0/ 4): ~138 levels ~40000 states ~243356 transitions
pnml2lts-mc( 1/ 4): ~243 levels ~80000 states ~421256 transitions
pnml2lts-mc( 1/ 4): ~244 levels ~160000 states ~861420 transitions
pnml2lts-mc( 1/ 4): ~244 levels ~320000 states ~2033144 transitions
pnml2lts-mc( 1/ 4): ~244 levels ~640000 states ~4373896 transitions
pnml2lts-mc( 1/ 4): ~244 levels ~1280000 states ~8501504 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 1361412
pnml2lts-mc( 0/ 4): unique states count: 1361412
pnml2lts-mc( 0/ 4): unique transitions count: 8386971
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 7149179
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1407053
pnml2lts-mc( 0/ 4): - cum. max stack depth: 854
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1407053 states 8633541 transitions, fanout: 6.136
pnml2lts-mc( 0/ 4): Total exploration time 13.800 sec (13.800 sec minimum, 13.800 sec on average)
pnml2lts-mc( 0/ 4): States per second: 101960, Transitions per second: 625619
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 11.1MB, 8.5 B/state, compr.: 1.7%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 4.0%/1.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 11.1MB (~256.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P50N10-LTLFireability-13
ltl formula formula --ltl=/tmp/2743/ltl_5_
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 126 places, 1226 transitions and 9200 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 0.280 real 0.040 user 0.040 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2743/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2743/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2743/ltl_5_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2743/ltl_5_
pnml2lts-mc( 0/ 4): There are 128 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1236 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 3/ 4): ~422 levels ~10000 states ~31348 transitions
pnml2lts-mc( 3/ 4): ~422 levels ~20000 states ~58740 transitions
pnml2lts-mc( 3/ 4): ~427 levels ~40000 states ~125216 transitions
pnml2lts-mc( 3/ 4): ~427 levels ~80000 states ~269488 transitions
pnml2lts-mc( 3/ 4): ~427 levels ~160000 states ~557316 transitions
pnml2lts-mc( 2/ 4): ~423 levels ~320000 states ~1528792 transitions
pnml2lts-mc( 1/ 4): ~425 levels ~640000 states ~3393728 transitions
pnml2lts-mc( 1/ 4): ~425 levels ~1280000 states ~6855568 transitions
pnml2lts-mc( 1/ 4): ~425 levels ~2560000 states ~12435908 transitions
pnml2lts-mc( 1/ 4): ~425 levels ~5120000 states ~22309628 transitions
pnml2lts-mc( 1/ 4): ~425 levels ~10240000 states ~41915636 transitions
pnml2lts-mc( 0/ 4): ~430 levels ~20480000 states ~74648184 transitions
pnml2lts-mc( 1/ 4): Error: tree roots table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 33551513
pnml2lts-mc( 0/ 4): unique states count: 33552628
pnml2lts-mc( 0/ 4): unique transitions count: 125165290
pnml2lts-mc( 0/ 4): - self-loop count: 60
pnml2lts-mc( 0/ 4): - claim dead count: 91674853
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 33599072
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1705
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 33599072 states 125335411 transitions, fanout: 3.730
pnml2lts-mc( 0/ 4): Total exploration time 389.100 sec (389.070 sec minimum, 389.085 sec on average)
pnml2lts-mc( 0/ 4): States per second: 86351, Transitions per second: 322116
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 262.1MB, 8.2 B/state, compr.: 1.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 99.0%/9.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 262.1MB (~256.0MB paged-in)

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="BridgeAndVehicles-PT-V50P50N10"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is BridgeAndVehicles-PT-V50P50N10, 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 r472-tajo-171620399100252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N10.tgz
mv BridgeAndVehicles-PT-V50P50N10 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 ;