Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r069-tall-171620504900619.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is CloudDeployment-PT-7a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r069-tall-171620504900619
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 816K
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 15:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Apr 11 17:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Apr 11 17:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 11 17:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 11 17:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 420K 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 CloudDeployment-PT-7a-LTLCardinality-00
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-01
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-02
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-03
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-04
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-05
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-06
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-07
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-08
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-09
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-10
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-11
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-12
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-13
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-14
FORMULA_NAME CloudDeployment-PT-7a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716472617839

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-7a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 13:56:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-23 13:56:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 13:56:59] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2024-05-23 13:56:59] [INFO ] Transformed 264 places.
[2024-05-23 13:56:59] [INFO ] Transformed 1174 transitions.
[2024-05-23 13:56:59] [INFO ] Found NUPN structural information;
[2024-05-23 13:56:59] [INFO ] Parsed PT model containing 264 places and 1174 transitions and 7331 arcs in 231 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 154 transitions
Reduce redundant transitions removed 154 transitions.
FORMULA CloudDeployment-PT-7a-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7a-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-7a-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 264 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 264/264 places, 1020/1020 transitions.
Ensure Unique test removed 10 places
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 254 transition count 1020
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 15 place count 249 transition count 1015
Iterating global reduction 1 with 5 rules applied. Total rules applied 20 place count 249 transition count 1015
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 24 place count 245 transition count 1011
Iterating global reduction 1 with 4 rules applied. Total rules applied 28 place count 245 transition count 1011
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 31 place count 242 transition count 1008
Iterating global reduction 1 with 3 rules applied. Total rules applied 34 place count 242 transition count 1008
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 36 place count 240 transition count 1006
Iterating global reduction 1 with 2 rules applied. Total rules applied 38 place count 240 transition count 1006
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 239 transition count 1005
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 239 transition count 1005
Drop transitions (Redundant composition of simpler transitions.) removed 98 transitions
Redundant transition composition rules discarded 98 transitions
Iterating global reduction 1 with 98 rules applied. Total rules applied 138 place count 239 transition count 907
Applied a total of 138 rules in 118 ms. Remains 239 /264 variables (removed 25) and now considering 907/1020 (removed 113) transitions.
[2024-05-23 13:56:59] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 239 cols
[2024-05-23 13:56:59] [INFO ] Computed 32 invariants in 23 ms
[2024-05-23 13:56:59] [INFO ] Implicit Places using invariants in 302 ms returned []
[2024-05-23 13:56:59] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 13:56:59] [INFO ] Invariant cache hit.
[2024-05-23 13:57:00] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 13:57:00] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 754 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 13:57:00] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 13:57:00] [INFO ] Invariant cache hit.
[2024-05-23 13:57:00] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/238 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/697 variables, 238/270 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/697 variables, 224/494 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/697 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 5 (OVERLAPS) 1/698 variables, 1/495 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 698/699 variables, and 495 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30049 ms.
Refiners :[Generalized P Invariants (flows): 32/32 constraints, State Equation: 239/239 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/238 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/238 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/697 variables, 238/270 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/697 variables, 224/494 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/697 variables, 906/1400 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 697/699 variables, and 1400 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 32/32 constraints, State Equation: 238/239 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 0/0 constraints]
After SMT, in 62238ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 62271ms
Starting structural reductions in LTL mode, iteration 1 : 239/264 places, 907/1020 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63182 ms. Remains : 239/264 places, 907/1020 transitions.
Support contains 26 out of 239 places after structural reductions.
[2024-05-23 13:58:03] [INFO ] Flatten gal took : 149 ms
[2024-05-23 13:58:03] [INFO ] Flatten gal took : 100 ms
[2024-05-23 13:58:03] [INFO ] Input system was already deterministic with 907 transitions.
RANDOM walk for 40000 steps (394 resets) in 1722 ms. (23 steps per ms) remains 2/17 properties
BEST_FIRST walk for 40004 steps (38 resets) in 114 ms. (347 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (36 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
[2024-05-23 13:58:04] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 13:58:04] [INFO ] Invariant cache hit.
[2024-05-23 13:58:04] [INFO ] State equation strengthened by 225 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 171/175 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 63/238 variables, 21/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 459/697 variables, 238/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/697 variables, 224/494 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/697 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/698 variables, 1/495 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/698 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/699 variables, 1/496 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/699 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/699 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 699/699 variables, and 496 constraints, problems are : Problem set: 0 solved, 2 unsolved in 768 ms.
Refiners :[Generalized P Invariants (flows): 32/32 constraints, State Equation: 239/239 constraints, ReadFeed: 225/225 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 171/175 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 63/238 variables, 21/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 459/697 variables, 238/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/697 variables, 224/494 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/697 variables, 2/496 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/697 variables, 0/496 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/698 variables, 1/497 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/698 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/699 variables, 1/498 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/699 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/699 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 699/699 variables, and 498 constraints, problems are : Problem set: 0 solved, 2 unsolved in 399 ms.
Refiners :[Generalized P Invariants (flows): 32/32 constraints, State Equation: 239/239 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 1193ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 108 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=36 )
Parikh walk visited 2 properties in 228 ms.
FORMULA CloudDeployment-PT-7a-LTLCardinality-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 120 stabilizing places and 669 stable transitions
Graph (complete) has 2579 edges and 239 vertex of which 234 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.15 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 239 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Graph (trivial) has 279 edges and 239 vertex of which 69 / 239 are part of one of the 21 SCC in 4 ms
Free SCC test removed 48 places
Ensure Unique test removed 144 transitions
Reduce isomorphic transitions removed 144 transitions.
Ensure Unique test removed 4 places
Reduce places removed 5 places and 1 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 179 transition count 699
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 179 transition count 699
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 57 place count 158 transition count 790
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 0 with 140 rules applied. Total rules applied 197 place count 158 transition count 650
Applied a total of 197 rules in 135 ms. Remains 158 /239 variables (removed 81) and now considering 650/907 (removed 257) transitions.
[2024-05-23 13:58:05] [INFO ] Flow matrix only has 251 transitions (discarded 399 similar events)
// Phase 1: matrix 251 rows 158 cols
[2024-05-23 13:58:05] [INFO ] Computed 28 invariants in 5 ms
[2024-05-23 13:58:06] [INFO ] Implicit Places using invariants in 117 ms returned []
[2024-05-23 13:58:06] [INFO ] Flow matrix only has 251 transitions (discarded 399 similar events)
[2024-05-23 13:58:06] [INFO ] Invariant cache hit.
[2024-05-23 13:58:06] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 13:58:06] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
[2024-05-23 13:58:06] [INFO ] Redundant transitions in 424 ms returned []
Running 593 sub problems to find dead transitions.
[2024-05-23 13:58:06] [INFO ] Flow matrix only has 251 transitions (discarded 399 similar events)
[2024-05-23 13:58:06] [INFO ] Invariant cache hit.
[2024-05-23 13:58:06] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 2 (OVERLAPS) 7/158 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 4 (OVERLAPS) 250/408 variables, 158/186 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/408 variables, 8/194 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 7 (OVERLAPS) 0/408 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 593 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/409 variables, and 194 constraints, problems are : Problem set: 0 solved, 593 unsolved in 21464 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 158/158 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 593/593 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 593 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 2 (OVERLAPS) 7/158 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 4 (OVERLAPS) 250/408 variables, 158/186 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/408 variables, 8/194 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 593/787 constraints. Problems are: Problem set: 0 solved, 593 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 0/787 constraints. Problems are: Problem set: 0 solved, 593 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 408/409 variables, and 787 constraints, problems are : Problem set: 0 solved, 593 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 158/158 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 593/593 constraints, Known Traps: 0/0 constraints]
After SMT, in 52524ms problems are : Problem set: 0 solved, 593 unsolved
Search for dead transitions found 0 dead transitions in 52532ms
Starting structural reductions in SI_LTL mode, iteration 1 : 158/239 places, 650/907 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53463 ms. Remains : 158/239 places, 650/907 transitions.
Stuttering acceptance computed with spot in 203 ms :[(NOT p0)]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-7a-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7a-LTLCardinality-01 finished in 53731 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(p1))))'
Support contains 3 out of 239 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Graph (trivial) has 275 edges and 239 vertex of which 69 / 239 are part of one of the 21 SCC in 1 ms
Free SCC test removed 48 places
Ensure Unique test removed 145 transitions
Reduce isomorphic transitions removed 145 transitions.
Ensure Unique test removed 4 places
Reduce places removed 5 places and 1 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 179 transition count 698
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 179 transition count 698
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -79
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 55 place count 159 transition count 777
Drop transitions (Redundant composition of simpler transitions.) removed 125 transitions
Redundant transition composition rules discarded 125 transitions
Iterating global reduction 0 with 125 rules applied. Total rules applied 180 place count 159 transition count 652
Applied a total of 180 rules in 103 ms. Remains 159 /239 variables (removed 80) and now considering 652/907 (removed 255) transitions.
[2024-05-23 13:58:59] [INFO ] Flow matrix only has 254 transitions (discarded 398 similar events)
// Phase 1: matrix 254 rows 159 cols
[2024-05-23 13:58:59] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 13:58:59] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-23 13:58:59] [INFO ] Flow matrix only has 254 transitions (discarded 398 similar events)
[2024-05-23 13:58:59] [INFO ] Invariant cache hit.
[2024-05-23 13:59:00] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 13:59:00] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 593 ms to find 0 implicit places.
[2024-05-23 13:59:01] [INFO ] Redundant transitions in 1047 ms returned []
Running 595 sub problems to find dead transitions.
[2024-05-23 13:59:01] [INFO ] Flow matrix only has 254 transitions (discarded 398 similar events)
[2024-05-23 13:59:01] [INFO ] Invariant cache hit.
[2024-05-23 13:59:01] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 2 (OVERLAPS) 7/159 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 4 (OVERLAPS) 253/412 variables, 159/187 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/412 variables, 8/195 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/412 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 7 (OVERLAPS) 0/412 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 595 unsolved
No progress, stopping.
After SMT solving in domain Real declared 412/413 variables, and 195 constraints, problems are : Problem set: 0 solved, 595 unsolved in 20502 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 159/159 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 595/595 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 595 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 2 (OVERLAPS) 7/159 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 4 (OVERLAPS) 253/412 variables, 159/187 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/412 variables, 8/195 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/412 variables, 595/790 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/412 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 595 unsolved
At refinement iteration 8 (OVERLAPS) 0/412 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 595 unsolved
No progress, stopping.
After SMT solving in domain Int declared 412/413 variables, and 790 constraints, problems are : Problem set: 0 solved, 595 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 159/159 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 595/595 constraints, Known Traps: 0/0 constraints]
After SMT, in 51275ms problems are : Problem set: 0 solved, 595 unsolved
Search for dead transitions found 0 dead transitions in 51281ms
Starting structural reductions in SI_LTL mode, iteration 1 : 159/239 places, 652/907 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53065 ms. Remains : 159/239 places, 652/907 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-7a-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7a-LTLCardinality-04 finished in 53257 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||X(p1)))))'
Support contains 2 out of 239 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 907
Applied a total of 4 rules in 4 ms. Remains 235 /239 variables (removed 4) and now considering 907/907 (removed 0) transitions.
[2024-05-23 13:59:52] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 235 cols
[2024-05-23 13:59:52] [INFO ] Computed 28 invariants in 2 ms
[2024-05-23 13:59:53] [INFO ] Implicit Places using invariants in 489 ms returned []
[2024-05-23 13:59:53] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 13:59:53] [INFO ] Invariant cache hit.
[2024-05-23 13:59:53] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 13:59:53] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 905 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 13:59:53] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 13:59:53] [INFO ] Invariant cache hit.
[2024-05-23 13:59:53] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 31864ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 31873ms
Starting structural reductions in LTL mode, iteration 1 : 235/239 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32787 ms. Remains : 235/239 places, 907/907 transitions.
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-06
Product exploration explored 100000 steps with 0 reset in 207 ms.
Product exploration explored 100000 steps with 0 reset in 187 ms.
Computed a total of 116 stabilizing places and 669 stable transitions
Graph (complete) has 2487 edges and 235 vertex of which 234 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 ms
Computed a total of 116 stabilizing places and 669 stable transitions
Detected a total of 116/235 stabilizing places and 669/907 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 15 factoid took 363 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (383 resets) in 649 ms. (61 steps per ms) remains 2/6 properties
BEST_FIRST walk for 40004 steps (35 resets) in 201 ms. (198 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (37 resets) in 145 ms. (274 steps per ms) remains 2/2 properties
[2024-05-23 14:00:26] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:00:26] [INFO ] Invariant cache hit.
[2024-05-23 14:00:26] [INFO ] State equation strengthened by 225 read => feed constraints.
Problem apf3 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/234 variables, 26/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/694 variables, 1/487 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/694 variables, 0/487 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/695 variables, 1/488 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/695 variables, 0/488 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/695 variables, 0/488 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 695/695 variables, and 488 constraints, problems are : Problem set: 1 solved, 1 unsolved in 234 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 235/235 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/234 variables, 26/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/693 variables, 1/487 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/693 variables, 0/487 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Int declared 694/695 variables, and 488 constraints, problems are : Problem set: 2 solved, 0 unsolved in 159 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 235/235 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 436ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (G (OR (NOT p0) (NOT p1))), (G (OR p0 p1))]
False Knowledge obtained : [(F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 17 factoid took 208 ms. Reduced automaton from 2 states, 7 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-7a-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-7a-LTLCardinality-06 finished in 34828 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||G(p1))))'
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 907
Applied a total of 4 rules in 9 ms. Remains 235 /239 variables (removed 4) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:00:27] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 235 cols
[2024-05-23 14:00:27] [INFO ] Computed 28 invariants in 2 ms
[2024-05-23 14:00:27] [INFO ] Implicit Places using invariants in 230 ms returned []
[2024-05-23 14:00:27] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:00:27] [INFO ] Invariant cache hit.
[2024-05-23 14:00:28] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:00:28] [INFO ] Implicit Places using invariants and state equation in 400 ms returned []
Implicit Place search using SMT with State Equation took 672 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:00:28] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:00:28] [INFO ] Invariant cache hit.
[2024-05-23 14:00:28] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 32210ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 32221ms
Starting structural reductions in LTL mode, iteration 1 : 235/239 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32904 ms. Remains : 235/239 places, 907/907 transitions.
Stuttering acceptance computed with spot in 160 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-08
Product exploration explored 100000 steps with 0 reset in 114 ms.
Product exploration explored 100000 steps with 0 reset in 124 ms.
Computed a total of 116 stabilizing places and 669 stable transitions
Graph (complete) has 2487 edges and 235 vertex of which 234 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Computed a total of 116 stabilizing places and 669 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 91 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[true, (NOT p1)]
RANDOM walk for 2832 steps (22 resets) in 27 ms. (101 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Property proved to be false thanks to negative knowledge :(F (NOT p1))
Knowledge based reduction with 6 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-7a-LTLCardinality-08 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-7a-LTLCardinality-08 finished in 33597 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 239 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Graph (trivial) has 272 edges and 239 vertex of which 64 / 239 are part of one of the 20 SCC in 1 ms
Free SCC test removed 44 places
Ensure Unique test removed 135 transitions
Reduce isomorphic transitions removed 135 transitions.
Ensure Unique test removed 4 places
Reduce places removed 5 places and 1 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 183 transition count 708
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 183 transition count 708
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 57 place count 162 transition count 799
Drop transitions (Redundant composition of simpler transitions.) removed 142 transitions
Redundant transition composition rules discarded 142 transitions
Iterating global reduction 0 with 142 rules applied. Total rules applied 199 place count 162 transition count 657
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 0 with 2 rules applied. Total rules applied 201 place count 161 transition count 656
Applied a total of 201 rules in 62 ms. Remains 161 /239 variables (removed 78) and now considering 656/907 (removed 251) transitions.
[2024-05-23 14:01:01] [INFO ] Flow matrix only has 258 transitions (discarded 398 similar events)
// Phase 1: matrix 258 rows 161 cols
[2024-05-23 14:01:01] [INFO ] Computed 28 invariants in 4 ms
[2024-05-23 14:01:01] [INFO ] Implicit Places using invariants in 107 ms returned []
[2024-05-23 14:01:01] [INFO ] Flow matrix only has 258 transitions (discarded 398 similar events)
[2024-05-23 14:01:01] [INFO ] Invariant cache hit.
[2024-05-23 14:01:01] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 14:01:01] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
[2024-05-23 14:01:02] [INFO ] Redundant transitions in 433 ms returned []
Running 599 sub problems to find dead transitions.
[2024-05-23 14:01:02] [INFO ] Flow matrix only has 258 transitions (discarded 398 similar events)
[2024-05-23 14:01:02] [INFO ] Invariant cache hit.
[2024-05-23 14:01:02] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 2 (OVERLAPS) 7/161 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 4 (OVERLAPS) 257/418 variables, 161/189 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 8/197 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 7 (OVERLAPS) 0/418 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 599 unsolved
No progress, stopping.
After SMT solving in domain Real declared 418/419 variables, and 197 constraints, problems are : Problem set: 0 solved, 599 unsolved in 21262 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 599/599 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 599 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 2 (OVERLAPS) 7/161 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 4 (OVERLAPS) 257/418 variables, 161/189 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 8/197 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 599/796 constraints. Problems are: Problem set: 0 solved, 599 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/796 constraints. Problems are: Problem set: 0 solved, 599 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 418/419 variables, and 796 constraints, problems are : Problem set: 0 solved, 599 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 599/599 constraints, Known Traps: 0/0 constraints]
After SMT, in 52221ms problems are : Problem set: 0 solved, 599 unsolved
Search for dead transitions found 0 dead transitions in 52228ms
Starting structural reductions in SI_LTL mode, iteration 1 : 161/239 places, 656/907 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 53070 ms. Remains : 161/239 places, 656/907 transitions.
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-7a-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7a-LTLCardinality-09 finished in 53357 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))'
Support contains 2 out of 239 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 907
Applied a total of 4 rules in 5 ms. Remains 235 /239 variables (removed 4) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:01:54] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 235 cols
[2024-05-23 14:01:54] [INFO ] Computed 28 invariants in 4 ms
[2024-05-23 14:01:54] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-05-23 14:01:54] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:01:54] [INFO ] Invariant cache hit.
[2024-05-23 14:01:54] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:01:55] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:01:55] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:01:55] [INFO ] Invariant cache hit.
[2024-05-23 14:01:55] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 31639ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 31648ms
Starting structural reductions in LTL mode, iteration 1 : 235/239 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32212 ms. Remains : 235/239 places, 907/907 transitions.
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-10
Product exploration explored 100000 steps with 50000 reset in 2899 ms.
Product exploration explored 100000 steps with 50000 reset in 2795 ms.
Computed a total of 116 stabilizing places and 669 stable transitions
Graph (complete) has 2487 edges and 235 vertex of which 234 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 116 stabilizing places and 669 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 19 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-7a-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-7a-LTLCardinality-10 finished in 38053 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(p1)||p0) U X(G(!p2))))'
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 235 transition count 907
Applied a total of 4 rules in 7 ms. Remains 235 /239 variables (removed 4) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:02:32] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:02:32] [INFO ] Invariant cache hit.
[2024-05-23 14:02:32] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-05-23 14:02:32] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:02:32] [INFO ] Invariant cache hit.
[2024-05-23 14:02:32] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:02:33] [INFO ] Implicit Places using invariants and state equation in 422 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:02:33] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:02:33] [INFO ] Invariant cache hit.
[2024-05-23 14:02:33] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 31561ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 31573ms
Starting structural reductions in LTL mode, iteration 1 : 235/239 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32134 ms. Remains : 235/239 places, 907/907 transitions.
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p1) p2), p2, (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-7a-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-7a-LTLCardinality-11 finished in 32305 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(X(G((X(p0)||G(p1))))))'
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Ensure Unique test removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 236 transition count 907
Applied a total of 3 rules in 4 ms. Remains 236 /239 variables (removed 3) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:03:04] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 236 cols
[2024-05-23 14:03:04] [INFO ] Computed 29 invariants in 7 ms
[2024-05-23 14:03:05] [INFO ] Implicit Places using invariants in 133 ms returned []
[2024-05-23 14:03:05] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:03:05] [INFO ] Invariant cache hit.
[2024-05-23 14:03:05] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:03:05] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:03:05] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:03:05] [INFO ] Invariant cache hit.
[2024-05-23 14:03:05] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/694 variables, 235/264 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/694 variables, 224/488 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/694 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 31806ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 31833ms
Starting structural reductions in LTL mode, iteration 1 : 236/239 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32423 ms. Remains : 236/239 places, 907/907 transitions.
Stuttering acceptance computed with spot in 230 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 91 ms.
Product exploration explored 100000 steps with 0 reset in 99 ms.
Computed a total of 117 stabilizing places and 669 stable transitions
Graph (complete) has 2510 edges and 236 vertex of which 234 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 117 stabilizing places and 669 stable transitions
Detected a total of 117/236 stabilizing places and 669/907 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 153 ms. Reduced automaton from 7 states, 14 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[true, (NOT p0), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (383 resets) in 295 ms. (135 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (36 resets) in 124 ms. (320 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (35 resets) in 124 ms. (320 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (38 resets) in 59 ms. (666 steps per ms) remains 3/3 properties
[2024-05-23 14:03:38] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:03:38] [INFO ] Invariant cache hit.
[2024-05-23 14:03:38] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf4 is UNSAT
At refinement iteration 1 (OVERLAPS) 169/173 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/173 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 62/235 variables, 20/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 459/694 variables, 235/264 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/694 variables, 224/488 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/694 variables, 0/488 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/695 variables, 1/489 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/695 variables, 0/489 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/696 variables, 1/490 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/696 variables, 0/490 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/696 variables, 0/490 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 696/696 variables, and 490 constraints, problems are : Problem set: 1 solved, 2 unsolved in 304 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 236/236 constraints, ReadFeed: 225/225 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 169/173 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/173 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/235 variables, 20/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 459/694 variables, 235/264 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/694 variables, 224/488 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/694 variables, 2/490 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/694 variables, 0/490 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/695 variables, 1/491 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/695 variables, 0/491 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/696 variables, 1/492 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/696 variables, 0/492 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/696 variables, 0/492 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 696/696 variables, and 492 constraints, problems are : Problem set: 1 solved, 2 unsolved in 385 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 236/236 constraints, ReadFeed: 225/225 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 714ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 184 ms.
Support contains 4 out of 236 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 236/236 places, 907/907 transitions.
Graph (trivial) has 276 edges and 236 vertex of which 68 / 236 are part of one of the 20 SCC in 1 ms
Free SCC test removed 48 places
Drop transitions (Empty/Sink Transition effects.) removed 152 transitions
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 208 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 181 transition count 643
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 181 transition count 643
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 57 place count 160 transition count 734
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 0 with 140 rules applied. Total rules applied 197 place count 160 transition count 594
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 204 place count 160 transition count 714
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 211 place count 153 transition count 714
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 212 place count 153 transition count 714
Applied a total of 212 rules in 105 ms. Remains 153 /236 variables (removed 83) and now considering 714/907 (removed 193) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105 ms. Remains : 153/236 places, 714/907 transitions.
RANDOM walk for 40000 steps (522 resets) in 694 ms. (57 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (60 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (57 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 508722 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 2
Probabilistic random walk after 508722 steps, saw 97380 distinct states, run finished after 3006 ms. (steps per millisecond=169 ) properties seen :0
[2024-05-23 14:03:42] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
// Phase 1: matrix 371 rows 153 cols
[2024-05-23 14:03:42] [INFO ] Computed 29 invariants in 4 ms
[2024-05-23 14:03:42] [INFO ] State equation strengthened by 169 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/90 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/152 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/524 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 524/524 variables, and 351 constraints, problems are : Problem set: 0 solved, 2 unsolved in 234 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/90 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/152 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 2/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/524 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/524 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/524 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 524/524 variables, and 353 constraints, problems are : Problem set: 0 solved, 2 unsolved in 703 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 957ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 143 ms.
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 714/714 transitions.
Applied a total of 0 rules in 15 ms. Remains 153 /153 variables (removed 0) and now considering 714/714 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 153/153 places, 714/714 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 714/714 transitions.
Applied a total of 0 rules in 14 ms. Remains 153 /153 variables (removed 0) and now considering 714/714 (removed 0) transitions.
[2024-05-23 14:03:43] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:03:43] [INFO ] Invariant cache hit.
[2024-05-23 14:03:44] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-05-23 14:03:44] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:03:44] [INFO ] Invariant cache hit.
[2024-05-23 14:03:44] [INFO ] State equation strengthened by 169 read => feed constraints.
[2024-05-23 14:03:44] [INFO ] Implicit Places using invariants and state equation in 468 ms returned []
Implicit Place search using SMT with State Equation took 597 ms to find 0 implicit places.
[2024-05-23 14:03:44] [INFO ] Redundant transitions in 15 ms returned []
Running 713 sub problems to find dead transitions.
[2024-05-23 14:03:44] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:03:44] [INFO ] Invariant cache hit.
[2024-05-23 14:03:44] [INFO ] State equation strengthened by 169 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 713 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 5 (OVERLAPS) 1/524 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 524/524 variables, and 351 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 713 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 713/1063 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 54)
(s2 54)
(s3 1)
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(s22 1)
(s23 1)
(s24 1)
(s25 44)
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(s28 1)
(s29 1)
(s30 54)
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(s41 44)
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(s118 timeout
1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 523/524 variables, and 1063 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 152/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints]
After SMT, in 61325ms problems are : Problem set: 0 solved, 713 unsolved
Search for dead transitions found 0 dead transitions in 61333ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61970 ms. Remains : 153/153 places, 714/714 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 124 edges and 153 vertex of which 45 / 153 are part of one of the 7 SCC in 0 ms
Free SCC test removed 38 places
Drop transitions (Empty/Sink Transition effects.) removed 51 transitions
Ensure Unique test removed 343 transitions
Reduce isomorphic transitions removed 394 transitions.
Ensure Unique test removed 13 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 102 transition count 288
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 78 place count 70 transition count 288
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 78 place count 70 transition count 276
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 102 place count 58 transition count 276
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 108 place count 52 transition count 270
Iterating global reduction 2 with 6 rules applied. Total rules applied 114 place count 52 transition count 270
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 120 place count 46 transition count 228
Iterating global reduction 2 with 6 rules applied. Total rules applied 126 place count 46 transition count 228
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 132 place count 46 transition count 222
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 3 with 2 rules applied. Total rules applied 134 place count 45 transition count 221
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 3 with 15 rules applied. Total rules applied 149 place count 45 transition count 206
Free-agglomeration rule applied 7 times with reduction of 114 identical transitions.
Iterating global reduction 3 with 7 rules applied. Total rules applied 156 place count 45 transition count 85
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 19 rules applied. Total rules applied 175 place count 38 transition count 73
Applied a total of 175 rules in 42 ms. Remains 38 /153 variables (removed 115) and now considering 73/714 (removed 641) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 73 rows 38 cols
[2024-05-23 14:04:45] [INFO ] Computed 16 invariants in 1 ms
[2024-05-23 14:04:45] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-23 14:04:45] [INFO ] [Nat]Absence check using 0 positive and 16 generalized place invariants in 2 ms returned sat
[2024-05-23 14:04:46] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-23 14:04:46] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-23 14:04:46] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 160 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 4 factoid took 191 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 165 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-23 14:04:46] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 236 cols
[2024-05-23 14:04:46] [INFO ] Computed 29 invariants in 3 ms
[2024-05-23 14:04:46] [INFO ] [Real]Absence check using 0 positive and 29 generalized place invariants in 7 ms returned sat
[2024-05-23 14:04:46] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2024-05-23 14:04:46] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:04:46] [INFO ] [Real]Added 225 Read/Feed constraints in 23 ms returned sat
[2024-05-23 14:04:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:04:47] [INFO ] [Nat]Absence check using 0 positive and 29 generalized place invariants in 6 ms returned sat
[2024-05-23 14:04:47] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2024-05-23 14:04:47] [INFO ] [Nat]Added 225 Read/Feed constraints in 32 ms returned sat
[2024-05-23 14:04:47] [INFO ] Computed and/alt/rep : 385/1488/385 causal constraints (skipped 74 transitions) in 46 ms.
[2024-05-23 14:04:47] [INFO ] Added : 0 causal constraints over 0 iterations in 92 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 236 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 236/236 places, 907/907 transitions.
Applied a total of 0 rules in 5 ms. Remains 236 /236 variables (removed 0) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:04:47] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:04:47] [INFO ] Invariant cache hit.
[2024-05-23 14:04:47] [INFO ] Implicit Places using invariants in 123 ms returned []
[2024-05-23 14:04:47] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:04:47] [INFO ] Invariant cache hit.
[2024-05-23 14:04:47] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:04:47] [INFO ] Implicit Places using invariants and state equation in 424 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:04:47] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:04:47] [INFO ] Invariant cache hit.
[2024-05-23 14:04:47] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/694 variables, 235/264 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/694 variables, 224/488 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/694 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SMT process timed out in 31601ms, After SMT, problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 31614ms
Finished structural reductions in LTL mode , in 1 iterations and 32174 ms. Remains : 236/236 places, 907/907 transitions.
Computed a total of 117 stabilizing places and 669 stable transitions
Graph (complete) has 2510 edges and 236 vertex of which 234 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 117 stabilizing places and 669 stable transitions
Detected a total of 117/236 stabilizing places and 669/907 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 212 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 212 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 157 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-23 14:05:20] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:05:20] [INFO ] Invariant cache hit.
[2024-05-23 14:05:20] [INFO ] [Real]Absence check using 0 positive and 29 generalized place invariants in 7 ms returned sat
[2024-05-23 14:05:20] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-05-23 14:05:20] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:05:20] [INFO ] [Real]Added 225 Read/Feed constraints in 29 ms returned sat
[2024-05-23 14:05:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:05:21] [INFO ] [Nat]Absence check using 0 positive and 29 generalized place invariants in 16 ms returned sat
[2024-05-23 14:05:21] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2024-05-23 14:05:21] [INFO ] [Nat]Added 225 Read/Feed constraints in 31 ms returned sat
[2024-05-23 14:05:21] [INFO ] Computed and/alt/rep : 385/1488/385 causal constraints (skipped 74 transitions) in 39 ms.
[2024-05-23 14:05:21] [INFO ] Added : 0 causal constraints over 0 iterations in 113 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 231 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 82 ms.
Product exploration explored 100000 steps with 0 reset in 93 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 236 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 236/236 places, 907/907 transitions.
Graph (trivial) has 280 edges and 236 vertex of which 70 / 236 are part of one of the 21 SCC in 1 ms
Free SCC test removed 49 places
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 147 transitions.
Ensure Unique test removed 1 places
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 179 transition count 697
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 179 transition count 697
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -140
Deduced a syphon composed of 21 places in 0 ms
Iterating global reduction 0 with 21 rules applied. Total rules applied 36 place count 179 transition count 837
Deduced a syphon composed of 21 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 161 transitions
Redundant transition composition rules discarded 161 transitions
Iterating global reduction 0 with 161 rules applied. Total rules applied 197 place count 179 transition count 676
Deduced a syphon composed of 21 places in 1 ms
Applied a total of 197 rules in 51 ms. Remains 179 /236 variables (removed 57) and now considering 676/907 (removed 231) transitions.
[2024-05-23 14:05:23] [INFO ] Redundant transitions in 818 ms returned []
Running 675 sub problems to find dead transitions.
[2024-05-23 14:05:23] [INFO ] Flow matrix only has 278 transitions (discarded 398 similar events)
// Phase 1: matrix 278 rows 179 cols
[2024-05-23 14:05:23] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 14:05:23] [INFO ] State equation strengthened by 169 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 675 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/178 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 675 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD113 is UNSAT
At refinement iteration 2 (OVERLAPS) 277/455 variables, 178/206 constraints. Problems are: Problem set: 28 solved, 647 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/455 variables, 168/374 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/455 variables, 0/374 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 5 (OVERLAPS) 1/456 variables, 1/375 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/456 variables, 0/375 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 7 (OVERLAPS) 1/457 variables, 1/376 constraints. Problems are: Problem set: 28 solved, 647 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 457/457 variables, and 376 constraints, problems are : Problem set: 28 solved, 647 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 179/179 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 675/675 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 647 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 21/21 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 0/21 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 2 (OVERLAPS) 21/178 variables, 7/28 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/28 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 4 (OVERLAPS) 277/455 variables, 178/206 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/455 variables, 168/374 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/455 variables, 647/1021 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/455 variables, 0/1021 constraints. Problems are: Problem set: 28 solved, 647 unsolved
At refinement iteration 8 (OVERLAPS) 1/456 variables, 1/1022 constraints. Problems are: Problem set: 28 solved, 647 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 456/457 variables, and 1022 constraints, problems are : Problem set: 28 solved, 647 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 179/179 constraints, ReadFeed: 168/169 constraints, PredecessorRefiner: 647/675 constraints, Known Traps: 0/0 constraints]
After SMT, in 61081ms problems are : Problem set: 28 solved, 647 unsolved
Search for dead transitions found 28 dead transitions in 61088ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) removed 28 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 179/236 places, 648/907 transitions.
Graph (complete) has 2053 edges and 179 vertex of which 158 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.2 ms
Discarding 21 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 16 ms. Remains 158 /179 variables (removed 21) and now considering 648/648 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 158/236 places, 648/907 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 61982 ms. Remains : 158/236 places, 648/907 transitions.
Support contains 2 out of 236 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 236/236 places, 907/907 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 235 transition count 907
Applied a total of 1 rules in 4 ms. Remains 235 /236 variables (removed 1) and now considering 907/907 (removed 0) transitions.
[2024-05-23 14:06:24] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
// Phase 1: matrix 460 rows 235 cols
[2024-05-23 14:06:24] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 14:06:24] [INFO ] Implicit Places using invariants in 231 ms returned []
[2024-05-23 14:06:24] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:06:24] [INFO ] Invariant cache hit.
[2024-05-23 14:06:24] [INFO ] State equation strengthened by 225 read => feed constraints.
[2024-05-23 14:06:25] [INFO ] Implicit Places using invariants and state equation in 581 ms returned []
Implicit Place search using SMT with State Equation took 823 ms to find 0 implicit places.
Running 906 sub problems to find dead transitions.
[2024-05-23 14:06:25] [INFO ] Flow matrix only has 460 transitions (discarded 447 similar events)
[2024-05-23 14:06:25] [INFO ] Invariant cache hit.
[2024-05-23 14:06:25] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 5 (OVERLAPS) 1/694 variables, 1/487 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 694/695 variables, and 487 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 235/235 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 2 (OVERLAPS) 459/693 variables, 234/262 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/693 variables, 224/486 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/693 variables, 906/1392 constraints. Problems are: Problem set: 0 solved, 906 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 Int declared 693/695 variables, and 1392 constraints, problems are : Problem set: 0 solved, 906 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 234/235 constraints, ReadFeed: 224/225 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 0/0 constraints]
After SMT, in 62139ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 62149ms
Starting structural reductions in LTL mode, iteration 1 : 235/236 places, 907/907 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62979 ms. Remains : 235/236 places, 907/907 transitions.
Treatment of property CloudDeployment-PT-7a-LTLCardinality-12 finished in 262547 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 2 out of 239 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Graph (trivial) has 281 edges and 239 vertex of which 70 / 239 are part of one of the 21 SCC in 0 ms
Free SCC test removed 49 places
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 147 transitions.
Ensure Unique test removed 4 places
Reduce places removed 5 places and 1 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 178 transition count 696
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 178 transition count 696
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 57 place count 157 transition count 787
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 0 with 140 rules applied. Total rules applied 197 place count 157 transition count 647
Applied a total of 197 rules in 54 ms. Remains 157 /239 variables (removed 82) and now considering 647/907 (removed 260) transitions.
[2024-05-23 14:07:27] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
// Phase 1: matrix 249 rows 157 cols
[2024-05-23 14:07:27] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 14:07:28] [INFO ] Implicit Places using invariants in 519 ms returned []
[2024-05-23 14:07:28] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:07:28] [INFO ] Invariant cache hit.
[2024-05-23 14:07:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 14:07:28] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 785 ms to find 0 implicit places.
[2024-05-23 14:07:28] [INFO ] Redundant transitions in 466 ms returned []
Running 590 sub problems to find dead transitions.
[2024-05-23 14:07:28] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:07:28] [INFO ] Invariant cache hit.
[2024-05-23 14:07:28] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (OVERLAPS) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/406 variables, and 193 constraints, problems are : Problem set: 0 solved, 590 unsolved in 20537 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 590 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 590/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/406 variables, and 783 constraints, problems are : Problem set: 0 solved, 590 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
After SMT, in 51376ms problems are : Problem set: 0 solved, 590 unsolved
Search for dead transitions found 0 dead transitions in 51381ms
Starting structural reductions in SI_LTL mode, iteration 1 : 157/239 places, 647/907 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52707 ms. Remains : 157/239 places, 647/907 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 68 ms.
Product exploration explored 100000 steps with 0 reset in 75 ms.
Computed a total of 94 stabilizing places and 521 stable transitions
Graph (complete) has 2024 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 ms
Computed a total of 94 stabilizing places and 521 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 155 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)]
RANDOM walk for 40000 steps (573 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (64 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 890246 steps, run timeout after 3001 ms. (steps per millisecond=296 ) properties seen :0 out of 1
Probabilistic random walk after 890246 steps, saw 141303 distinct states, run finished after 3001 ms. (steps per millisecond=296 ) properties seen :0
[2024-05-23 14:08:23] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:08:23] [INFO ] Invariant cache hit.
[2024-05-23 14:08:23] [INFO ] State equation strengthened by 8 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/406 variables, and 193 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/406 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 280ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 8592 steps, including 129 resets, run visited all 1 properties in 23 ms. (steps per millisecond=373 )
Parikh walk visited 1 properties in 27 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 109 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)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 157/157 places, 647/647 transitions.
Applied a total of 0 rules in 14 ms. Remains 157 /157 variables (removed 0) and now considering 647/647 (removed 0) transitions.
[2024-05-23 14:08:24] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:08:24] [INFO ] Invariant cache hit.
[2024-05-23 14:08:24] [INFO ] Implicit Places using invariants in 138 ms returned []
[2024-05-23 14:08:24] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:08:24] [INFO ] Invariant cache hit.
[2024-05-23 14:08:24] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 14:08:24] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
[2024-05-23 14:08:25] [INFO ] Redundant transitions in 396 ms returned []
Running 590 sub problems to find dead transitions.
[2024-05-23 14:08:25] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:08:25] [INFO ] Invariant cache hit.
[2024-05-23 14:08:25] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (OVERLAPS) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/406 variables, and 193 constraints, problems are : Problem set: 0 solved, 590 unsolved in 20280 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 590 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 590/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/406 variables, and 783 constraints, problems are : Problem set: 0 solved, 590 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
After SMT, in 50955ms problems are : Problem set: 0 solved, 590 unsolved
Search for dead transitions found 0 dead transitions in 50960ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 51898 ms. Remains : 157/157 places, 647/647 transitions.
Computed a total of 94 stabilizing places and 521 stable transitions
Graph (complete) has 2024 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 94 stabilizing places and 521 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 72 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 29 ms :[(NOT p0)]
RANDOM walk for 40000 steps (568 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (64 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 876027 steps, run timeout after 3001 ms. (steps per millisecond=291 ) properties seen :0 out of 1
Probabilistic random walk after 876027 steps, saw 139133 distinct states, run finished after 3001 ms. (steps per millisecond=291 ) properties seen :0
[2024-05-23 14:09:19] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:09:19] [INFO ] Invariant cache hit.
[2024-05-23 14:09:19] [INFO ] State equation strengthened by 8 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/406 variables, and 193 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/94 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 63/157 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/405 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 405/406 variables, and 194 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 273ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 6840 steps, including 102 resets, run visited all 1 properties in 23 ms. (steps per millisecond=297 )
Parikh walk visited 1 properties in 22 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 152 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 42 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 72 ms.
Product exploration explored 100000 steps with 0 reset in 90 ms.
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 157/157 places, 647/647 transitions.
Applied a total of 0 rules in 18 ms. Remains 157 /157 variables (removed 0) and now considering 647/647 (removed 0) transitions.
[2024-05-23 14:09:20] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:09:20] [INFO ] Invariant cache hit.
[2024-05-23 14:09:20] [INFO ] Implicit Places using invariants in 255 ms returned []
[2024-05-23 14:09:20] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:09:20] [INFO ] Invariant cache hit.
[2024-05-23 14:09:20] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-23 14:09:20] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 577 ms to find 0 implicit places.
[2024-05-23 14:09:20] [INFO ] Redundant transitions in 391 ms returned []
Running 590 sub problems to find dead transitions.
[2024-05-23 14:09:20] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2024-05-23 14:09:20] [INFO ] Invariant cache hit.
[2024-05-23 14:09:20] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (OVERLAPS) 0/405 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
No progress, stopping.
After SMT solving in domain Real declared 405/406 variables, and 193 constraints, problems are : Problem set: 0 solved, 590 unsolved in 19762 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 590 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 2 (OVERLAPS) 7/157 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 4 (OVERLAPS) 248/405 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 8/193 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 590/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/783 constraints. Problems are: Problem set: 0 solved, 590 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/406 variables, and 783 constraints, problems are : Problem set: 0 solved, 590 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 157/157 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 590/590 constraints, Known Traps: 0/0 constraints]
After SMT, in 50461ms problems are : Problem set: 0 solved, 590 unsolved
Search for dead transitions found 0 dead transitions in 50468ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 51459 ms. Remains : 157/157 places, 647/647 transitions.
Treatment of property CloudDeployment-PT-7a-LTLCardinality-14 finished in 164096 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(X(G((X(p0)||G(p1))))))'
Found a Lengthening insensitive property : CloudDeployment-PT-7a-LTLCardinality-12
Stuttering acceptance computed with spot in 344 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 239/239 places, 907/907 transitions.
Graph (trivial) has 276 edges and 239 vertex of which 68 / 239 are part of one of the 20 SCC in 0 ms
Free SCC test removed 48 places
Ensure Unique test removed 146 transitions
Reduce isomorphic transitions removed 146 transitions.
Ensure Unique test removed 3 places
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 7 place count 182 transition count 707
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 182 transition count 707
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 55 place count 161 transition count 798
Applied a total of 55 rules in 17 ms. Remains 161 /239 variables (removed 78) and now considering 798/907 (removed 109) transitions.
[2024-05-23 14:10:12] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
// Phase 1: matrix 393 rows 161 cols
[2024-05-23 14:10:12] [INFO ] Computed 29 invariants in 1 ms
[2024-05-23 14:10:12] [INFO ] Implicit Places using invariants in 255 ms returned []
[2024-05-23 14:10:12] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:10:12] [INFO ] Invariant cache hit.
[2024-05-23 14:10:12] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-05-23 14:10:12] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 718 ms to find 0 implicit places.
Running 797 sub problems to find dead transitions.
[2024-05-23 14:10:12] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:10:12] [INFO ] Invariant cache hit.
[2024-05-23 14:10:12] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 2 (OVERLAPS) 392/552 variables, 160/189 constraints. Problems are: Problem set: 0 solved, 797 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/552 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 5 (OVERLAPS) 1/553 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 797 unsolved
SMT process timed out in 31027ms, After SMT, problems are : Problem set: 0 solved, 797 unsolved
Search for dead transitions found 0 dead transitions in 31034ms
Starting structural reductions in LI_LTL mode, iteration 1 : 161/239 places, 798/907 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 31771 ms. Remains : 161/239 places, 798/907 transitions.
Running random walk in product with property : CloudDeployment-PT-7a-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 94 ms.
Product exploration explored 100000 steps with 0 reset in 101 ms.
Computed a total of 97 stabilizing places and 663 stable transitions
Graph (complete) has 2234 edges and 161 vertex of which 159 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 97 stabilizing places and 663 stable transitions
Detected a total of 97/161 stabilizing places and 663/798 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 99 ms. Reduced automaton from 7 states, 14 edges and 2 AP (stutter sensitive) to 7 states, 13 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[true, (NOT p0), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (716 resets) in 457 ms. (87 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (48 resets) in 53 ms. (740 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (48 resets) in 55 ms. (714 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (49 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
[2024-05-23 14:10:44] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:10:44] [INFO ] Invariant cache hit.
[2024-05-23 14:10:44] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf4 is UNSAT
At refinement iteration 1 (OVERLAPS) 94/98 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 62/160 variables, 20/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 392/552 variables, 160/189 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/552 variables, 266/455 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 0/455 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/553 variables, 1/456 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/553 variables, 0/456 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/554 variables, 1/457 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/554 variables, 0/457 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/554 variables, 0/457 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 457 constraints, problems are : Problem set: 1 solved, 2 unsolved in 294 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 161/161 constraints, ReadFeed: 267/267 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 94/98 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/160 variables, 20/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 392/552 variables, 160/189 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/552 variables, 266/455 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/552 variables, 2/457 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 0/457 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/553 variables, 1/458 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/553 variables, 0/458 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/554 variables, 1/459 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/554 variables, 0/459 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/554 variables, 0/459 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 459 constraints, problems are : Problem set: 1 solved, 2 unsolved in 316 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 161/161 constraints, ReadFeed: 267/267 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 661ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 200 ms.
Support contains 4 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 798/798 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 161 transition count 742
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 57 place count 160 transition count 734
Iterating global reduction 1 with 1 rules applied. Total rules applied 58 place count 160 transition count 734
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 1 with 140 rules applied. Total rules applied 198 place count 160 transition count 594
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 1 with 7 rules applied. Total rules applied 205 place count 160 transition count 714
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 212 place count 153 transition count 714
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 213 place count 153 transition count 714
Applied a total of 213 rules in 47 ms. Remains 153 /161 variables (removed 8) and now considering 714/798 (removed 84) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 153/161 places, 714/798 transitions.
RANDOM walk for 40000 steps (527 resets) in 426 ms. (93 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (56 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (57 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 289933 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 2
Probabilistic random walk after 289933 steps, saw 60906 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2024-05-23 14:10:48] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
// Phase 1: matrix 371 rows 153 cols
[2024-05-23 14:10:48] [INFO ] Computed 29 invariants in 7 ms
[2024-05-23 14:10:48] [INFO ] State equation strengthened by 169 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/90 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/152 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/524 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 524/524 variables, and 351 constraints, problems are : Problem set: 0 solved, 2 unsolved in 211 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/90 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/152 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 2/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/523 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/524 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/524 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/524 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 524/524 variables, and 353 constraints, problems are : Problem set: 0 solved, 2 unsolved in 678 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 941ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 132 ms.
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 714/714 transitions.
Applied a total of 0 rules in 10 ms. Remains 153 /153 variables (removed 0) and now considering 714/714 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 153/153 places, 714/714 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 714/714 transitions.
Applied a total of 0 rules in 11 ms. Remains 153 /153 variables (removed 0) and now considering 714/714 (removed 0) transitions.
[2024-05-23 14:10:49] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:10:49] [INFO ] Invariant cache hit.
[2024-05-23 14:10:50] [INFO ] Implicit Places using invariants in 185 ms returned []
[2024-05-23 14:10:50] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:10:50] [INFO ] Invariant cache hit.
[2024-05-23 14:10:50] [INFO ] State equation strengthened by 169 read => feed constraints.
[2024-05-23 14:10:50] [INFO ] Implicit Places using invariants and state equation in 435 ms returned []
Implicit Place search using SMT with State Equation took 651 ms to find 0 implicit places.
[2024-05-23 14:10:50] [INFO ] Redundant transitions in 7 ms returned []
Running 713 sub problems to find dead transitions.
[2024-05-23 14:10:50] [INFO ] Flow matrix only has 371 transitions (discarded 343 similar events)
[2024-05-23 14:10:50] [INFO ] Invariant cache hit.
[2024-05-23 14:10:50] [INFO ] State equation strengthened by 169 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 713 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 5 (OVERLAPS) 1/524 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/524 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 524/524 variables, and 351 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 153/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 713 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 371/523 variables, 152/181 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 169/350 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 713/1063 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 523/524 variables, and 1063 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 152/153 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 713/713 constraints, Known Traps: 0/0 constraints]
After SMT, in 61147ms problems are : Problem set: 0 solved, 713 unsolved
Search for dead transitions found 0 dead transitions in 61153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61828 ms. Remains : 153/153 places, 714/714 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 124 edges and 153 vertex of which 45 / 153 are part of one of the 7 SCC in 1 ms
Free SCC test removed 38 places
Drop transitions (Empty/Sink Transition effects.) removed 51 transitions
Ensure Unique test removed 343 transitions
Reduce isomorphic transitions removed 394 transitions.
Ensure Unique test removed 13 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 102 transition count 288
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 78 place count 70 transition count 288
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 78 place count 70 transition count 276
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 102 place count 58 transition count 276
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 108 place count 52 transition count 270
Iterating global reduction 2 with 6 rules applied. Total rules applied 114 place count 52 transition count 270
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 120 place count 46 transition count 228
Iterating global reduction 2 with 6 rules applied. Total rules applied 126 place count 46 transition count 228
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 132 place count 46 transition count 222
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 3 with 2 rules applied. Total rules applied 134 place count 45 transition count 221
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 3 with 15 rules applied. Total rules applied 149 place count 45 transition count 206
Free-agglomeration rule applied 7 times with reduction of 114 identical transitions.
Iterating global reduction 3 with 7 rules applied. Total rules applied 156 place count 45 transition count 85
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 19 rules applied. Total rules applied 175 place count 38 transition count 73
Applied a total of 175 rules in 14 ms. Remains 38 /153 variables (removed 115) and now considering 73/714 (removed 641) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 73 rows 38 cols
[2024-05-23 14:11:51] [INFO ] Computed 16 invariants in 1 ms
[2024-05-23 14:11:51] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-23 14:11:51] [INFO ] [Nat]Absence check using 0 positive and 16 generalized place invariants in 2 ms returned sat
[2024-05-23 14:11:52] [INFO ] After 202ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-05-23 14:11:52] [INFO ] After 219ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-05-23 14:11:52] [INFO ] After 335ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 412 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 4 factoid took 185 ms. Reduced automaton from 7 states, 13 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 141 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-23 14:11:52] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
// Phase 1: matrix 393 rows 161 cols
[2024-05-23 14:11:52] [INFO ] Computed 29 invariants in 1 ms
[2024-05-23 14:11:52] [INFO ] [Real]Absence check using 0 positive and 29 generalized place invariants in 6 ms returned sat
[2024-05-23 14:11:52] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-23 14:11:52] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-05-23 14:11:52] [INFO ] [Real]Added 267 Read/Feed constraints in 30 ms returned sat
[2024-05-23 14:11:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:11:53] [INFO ] [Nat]Absence check using 0 positive and 29 generalized place invariants in 6 ms returned sat
[2024-05-23 14:11:53] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2024-05-23 14:11:53] [INFO ] [Nat]Added 267 Read/Feed constraints in 33 ms returned sat
[2024-05-23 14:11:53] [INFO ] Computed and/alt/rep : 339/1417/339 causal constraints (skipped 53 transitions) in 34 ms.
[2024-05-23 14:11:53] [INFO ] Added : 0 causal constraints over 0 iterations in 70 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 161 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 161/161 places, 798/798 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 798/798 (removed 0) transitions.
[2024-05-23 14:11:53] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:11:53] [INFO ] Invariant cache hit.
[2024-05-23 14:11:53] [INFO ] Implicit Places using invariants in 206 ms returned []
[2024-05-23 14:11:53] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:11:53] [INFO ] Invariant cache hit.
[2024-05-23 14:11:53] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-05-23 14:11:54] [INFO ] Implicit Places using invariants and state equation in 667 ms returned []
Implicit Place search using SMT with State Equation took 908 ms to find 0 implicit places.
Running 797 sub problems to find dead transitions.
[2024-05-23 14:11:54] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:11:54] [INFO ] Invariant cache hit.
[2024-05-23 14:11:54] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 2 (OVERLAPS) 392/552 variables, 160/189 constraints. Problems are: Problem set: 0 solved, 797 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/552 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 5 (OVERLAPS) 1/553 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 7 (OVERLAPS) 1/554 variables, 1/457 constraints. Problems are: Problem set: 0 solved, 797 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 554/554 variables, and 457 constraints, problems are : Problem set: 0 solved, 797 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 161/161 constraints, ReadFeed: 267/267 constraints, PredecessorRefiner: 797/797 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 797 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 2 (OVERLAPS) 392/552 variables, 160/189 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/552 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/552 variables, 797/1252 constraints. Problems are: Problem set: 0 solved, 797 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 552/554 variables, and 1252 constraints, problems are : Problem set: 0 solved, 797 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 29/29 constraints, State Equation: 160/161 constraints, ReadFeed: 266/267 constraints, PredecessorRefiner: 797/797 constraints, Known Traps: 0/0 constraints]
After SMT, in 60928ms problems are : Problem set: 0 solved, 797 unsolved
Search for dead transitions found 0 dead transitions in 60935ms
Finished structural reductions in LTL mode , in 1 iterations and 61848 ms. Remains : 161/161 places, 798/798 transitions.
Computed a total of 97 stabilizing places and 663 stable transitions
Graph (complete) has 2234 edges and 161 vertex of which 159 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 97 stabilizing places and 663 stable transitions
Detected a total of 97/161 stabilizing places and 663/798 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 69 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 5 states, 6 edges and 1 AP (stutter sensitive) to 5 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-05-23 14:12:55] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:12:55] [INFO ] Invariant cache hit.
[2024-05-23 14:12:56] [INFO ] [Real]Absence check using 0 positive and 29 generalized place invariants in 6 ms returned sat
[2024-05-23 14:12:56] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-23 14:12:56] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-05-23 14:12:56] [INFO ] [Real]Added 267 Read/Feed constraints in 28 ms returned sat
[2024-05-23 14:12:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 14:12:56] [INFO ] [Nat]Absence check using 0 positive and 29 generalized place invariants in 6 ms returned sat
[2024-05-23 14:12:56] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2024-05-23 14:12:56] [INFO ] [Nat]Added 267 Read/Feed constraints in 31 ms returned sat
[2024-05-23 14:12:56] [INFO ] Computed and/alt/rep : 339/1417/339 causal constraints (skipped 53 transitions) in 34 ms.
[2024-05-23 14:12:56] [INFO ] Added : 0 causal constraints over 0 iterations in 63 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 81 ms.
Product exploration explored 100000 steps with 0 reset in 88 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 135 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 161 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 161/161 places, 798/798 transitions.
Graph (trivial) has 171 edges and 161 vertex of which 2 / 161 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 158 transition count 788
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 158 transition count 788
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 0 with 140 rules applied. Total rules applied 143 place count 158 transition count 648
Applied a total of 143 rules in 33 ms. Remains 158 /161 variables (removed 3) and now considering 648/798 (removed 150) transitions.
[2024-05-23 14:12:57] [INFO ] Redundant transitions in 396 ms returned []
Running 647 sub problems to find dead transitions.
[2024-05-23 14:12:57] [INFO ] Flow matrix only has 250 transitions (discarded 398 similar events)
// Phase 1: matrix 250 rows 158 cols
[2024-05-23 14:12:57] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 14:12:57] [INFO ] State equation strengthened by 169 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 2 (OVERLAPS) 249/406 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 647 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 168/353 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 5 (OVERLAPS) 1/407 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/407 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 7 (OVERLAPS) 1/408 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 647 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 408/408 variables, and 355 constraints, problems are : Problem set: 0 solved, 647 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 158/158 constraints, ReadFeed: 169/169 constraints, PredecessorRefiner: 647/647 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 647 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 2 (OVERLAPS) 249/406 variables, 157/185 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 168/353 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 647/1000 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/406 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 647 unsolved
At refinement iteration 6 (OVERLAPS) 1/407 variables, 1/1001 constraints. Problems are: Problem set: 0 solved, 647 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 407/408 variables, and 1001 constraints, problems are : Problem set: 0 solved, 647 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 28/28 constraints, State Equation: 158/158 constraints, ReadFeed: 168/169 constraints, PredecessorRefiner: 647/647 constraints, Known Traps: 0/0 constraints]
After SMT, in 60895ms problems are : Problem set: 0 solved, 647 unsolved
Search for dead transitions found 0 dead transitions in 60901ms
Starting structural reductions in SI_LTL mode, iteration 1 : 158/161 places, 648/798 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61364 ms. Remains : 158/161 places, 648/798 transitions.
Support contains 2 out of 161 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 161/161 places, 798/798 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 160 transition count 798
Applied a total of 1 rules in 3 ms. Remains 160 /161 variables (removed 1) and now considering 798/798 (removed 0) transitions.
[2024-05-23 14:13:58] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
// Phase 1: matrix 393 rows 160 cols
[2024-05-23 14:13:58] [INFO ] Computed 28 invariants in 1 ms
[2024-05-23 14:13:58] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-23 14:13:58] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:13:58] [INFO ] Invariant cache hit.
[2024-05-23 14:13:58] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-05-23 14:13:59] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 530 ms to find 0 implicit places.
Running 797 sub problems to find dead transitions.
[2024-05-23 14:13:59] [INFO ] Flow matrix only has 393 transitions (discarded 405 similar events)
[2024-05-23 14:13:59] [INFO ] Invariant cache hit.
[2024-05-23 14:13:59] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 2 (OVERLAPS) 392/551 variables, 159/187 constraints. Problems are: Problem set: 0 solved, 797 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/551 variables, 266/453 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/551 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 5 (OVERLAPS) 1/552 variables, 1/454 constraints. Problems are: Problem set: 0 solved, 797 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/552 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 797 unsolved
SMT process timed out in 31119ms, After SMT, problems are : Problem set: 0 solved, 797 unsolved
Search for dead transitions found 0 dead transitions in 31127ms
Starting structural reductions in LTL mode, iteration 1 : 160/161 places, 798/798 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31662 ms. Remains : 160/161 places, 798/798 transitions.
Treatment of property CloudDeployment-PT-7a-LTLCardinality-12 finished in 258705 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)))'
[2024-05-23 14:14:30] [INFO ] Flatten gal took : 83 ms
[2024-05-23 14:14:30] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-05-23 14:14:30] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 239 places, 907 transitions and 6299 arcs took 11 ms.
Total runtime 1051501 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running CloudDeployment-PT-7a

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 239
TRANSITIONS: 907
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.033s, Sys 0.000s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.003s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1659
MODEL NAME: /home/mcc/execution/413/model
239 places, 907 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA CloudDeployment-PT-7a-LTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA CloudDeployment-PT-7a-LTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716473742293

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML

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="CloudDeployment-PT-7a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is CloudDeployment-PT-7a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r069-tall-171620504900619"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-7a.tgz
mv CloudDeployment-PT-7a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;