About the Execution of ITS-Tools for PhaseVariation-PT-D10CS100
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 743346.00 | 0.00 | 0.00 | FFFTTFFFFFFTTFTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876813300796.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is PhaseVariation-PT-D10CS100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876813300796
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 12K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 118K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 9 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.9M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-00
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-01
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-02
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-03
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-04
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-05
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-06
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-07
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-08
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-09
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-10
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-11
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-12
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-13
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-14
FORMULA_NAME PhaseVariation-PT-D10CS100-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748996000104
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhaseVariation-PT-D10CS100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 00:13:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 00:13:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 00:13:21] [INFO ] Load time of PNML (sax parser for PT used): 236 ms
[2025-06-04 00:13:21] [INFO ] Transformed 302 places.
[2025-06-04 00:13:21] [INFO ] Transformed 3137 transitions.
[2025-06-04 00:13:21] [INFO ] Parsed PT model containing 302 places and 3137 transitions and 21755 arcs in 355 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 63 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 65 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:13:21] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:13:22] [INFO ] Computed 101 invariants in 17 ms
[2025-06-04 00:13:22] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20089 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41129ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 41175ms
[2025-06-04 00:14:03] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:14:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:14:03] [INFO ] Implicit Places using invariants in 220 ms returned []
[2025-06-04 00:14:03] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:14:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:14:03] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:14:03] [INFO ] Implicit Places using invariants and state equation in 365 ms returned []
Implicit Place search using SMT with State Equation took 592 ms to find 0 implicit places.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:14:03] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:14:03] [INFO ] Invariant cache hit.
[2025-06-04 00:14:03] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60828ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 60840ms
Finished structural reductions in LTL mode , in 1 iterations and 102743 ms. Remains : 302/302 places, 3137/3137 transitions.
Support contains 63 out of 302 places after structural reductions.
[2025-06-04 00:15:05] [INFO ] Flatten gal took : 242 ms
[2025-06-04 00:15:05] [INFO ] Flatten gal took : 175 ms
[2025-06-04 00:15:05] [INFO ] Input system was already deterministic with 3137 transitions.
Support contains 62 out of 302 places (down from 63) after GAL structural reductions.
RANDOM walk for 40000 steps (161 resets) in 1970 ms. (20 steps per ms) remains 1/32 properties
BEST_FIRST walk for 14983 steps (2 resets) in 82 ms. (180 steps per ms) remains 0/1 properties
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 302 stabilizing places and 3137 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 302 transition count 3137
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 856 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:15:07] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:15:07] [INFO ] Invariant cache hit.
[2025-06-04 00:15:07] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20049 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 1)
(s4 0)
(s5 1)
(s6 0)
(s7 1)
(s8 0)
(s9 1)
(s10 0)
(s11 1)
(s12 0)
(s13 1)
(s14 0)
(s15 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40857ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40864ms
[2025-06-04 00:15:48] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:15:48] [INFO ] Implicit Places using invariants in 272 ms returned []
[2025-06-04 00:15:48] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:15:48] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:15:48] [INFO ] Implicit Places using invariants and state equation in 383 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 674 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 1359 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:15:50] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:15:50] [INFO ] Computed 100 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:15:50] [INFO ] Implicit Places using invariants in 268 ms returned []
[2025-06-04 00:15:50] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:15:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:15:50] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:15:51] [INFO ] Implicit Places using invariants and state equation in 545 ms returned []
Implicit Place search using SMT with State Equation took 815 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44577 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-00
Stuttering criterion allowed to conclude after 106 steps with 0 reset in 7 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-00 finished in 44892 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((X(p1)&&p0))||G(p2)))'
Support contains 7 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 17 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:15:51] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:15:51] [INFO ] Computed 101 invariants in 2 ms
[2025-06-04 00:15:51] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s115 1.0)
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(s119 1.0)
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(s127 1.0)
(s128 0.0)
(s129 1.0)
(s130 0.0)
(s131 1.0)
(s132 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40819ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40826ms
[2025-06-04 00:16:32] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:16:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:16:32] [INFO ] Implicit Places using invariants in 251 ms returned []
[2025-06-04 00:16:32] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:16:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:16:32] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:16:32] [INFO ] Implicit Places using invariants and state equation in 385 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 648 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 41 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:16:32] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:16:32] [INFO ] Computed 100 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:16:33] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-06-04 00:16:33] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:16:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:16:33] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:16:33] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 730 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42269 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-02
Stuttering criterion allowed to conclude after 610 steps with 4 reset in 18 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-02 finished in 42451 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(p1))||p0))))'
Support contains 7 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 16 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:16:33] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:16:33] [INFO ] Computed 101 invariants in 2 ms
[2025-06-04 00:16:33] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s238 1.0)
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(s241 1.0)
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(s251 1.0)
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(s261 1.0)
(s262 1.0)
(s263 1.0)
(s264 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s231 1)
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(s233 1)
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(s243 1)
(s244 1)
(s245 1)
(s246 1)
(s247 timeout
1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40810ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40818ms
[2025-06-04 00:17:14] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:17:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:14] [INFO ] Implicit Places using invariants in 243 ms returned []
[2025-06-04 00:17:14] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:17:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:15] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:17:15] [INFO ] Implicit Places using invariants and state equation in 364 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 615 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 39 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:17:15] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:17:15] [INFO ] Computed 100 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:15] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-06-04 00:17:15] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:17:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:15] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:17:16] [INFO ] Implicit Places using invariants and state equation in 512 ms returned []
Implicit Place search using SMT with State Equation took 745 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42239 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 136 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 474 ms.
Product exploration explored 100000 steps with 50000 reset in 515 ms.
Computed a total of 292 stabilizing places and 2758 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 292 transition count 2758
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 14 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-03 finished in 43600 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G((!p0||(!p1&&G(!p2))))||((!p0||(!p1&&G(!p2)))&&F((!p1 U (p3||G(!p1)))))))))'
Support contains 9 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 17 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:17:17] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:17:17] [INFO ] Computed 101 invariants in 4 ms
[2025-06-04 00:17:17] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40782ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40793ms
[2025-06-04 00:17:58] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:17:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:58] [INFO ] Implicit Places using invariants in 239 ms returned []
[2025-06-04 00:17:58] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:17:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:58] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:17:58] [INFO ] Implicit Places using invariants and state equation in 364 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 608 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 38 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:17:58] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:17:58] [INFO ] Computed 100 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:59] [INFO ] Implicit Places using invariants in 242 ms returned []
[2025-06-04 00:17:59] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:17:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:17:59] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:17:59] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 742 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42204 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 300 ms :[(OR (AND p0 p1) (AND p0 p2)), (AND p0 p1 (NOT p3)), (AND p0 p1 (NOT p3)), (AND p0 p2), (AND p0 p2), (AND p0 p1 (NOT p3) p2), (OR (AND p0 p1) (AND p0 p2))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 403 ms.
Product exploration explored 100000 steps with 50000 reset in 446 ms.
Computed a total of 292 stabilizing places and 2758 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 292 transition count 2758
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2) p3), (X (NOT p2)), (X p3), (X (NOT (OR (AND p0 p1) (AND p0 p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X p3)), (X (X (NOT (OR (AND p0 p1) (AND p0 p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND p0 p1 (NOT p3)) (AND p1 p2 (NOT p3)))))), (X (X (NOT (AND p0 (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND p0 p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2))), (F (G p3))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 33 factoid took 19 ms. Reduced automaton from 7 states, 26 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-04 finished in 43603 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((X(F(p0)) U G(!p1))&&(p2||X(p3)))))'
Support contains 8 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 19 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:18:01] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:18:01] [INFO ] Computed 101 invariants in 2 ms
[2025-06-04 00:18:01] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40799ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40806ms
[2025-06-04 00:18:41] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:18:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:18:42] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-06-04 00:18:42] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:18:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:18:42] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:18:42] [INFO ] Implicit Places using invariants and state equation in 374 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 616 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 37 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:18:42] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:18:42] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:18:42] [INFO ] Implicit Places using invariants in 226 ms returned []
[2025-06-04 00:18:42] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:18:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:18:42] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:18:43] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 716 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42205 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 188 ms :[(OR p1 (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p3), p1, true]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-05
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-05 finished in 42416 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 302 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 688 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:18:44] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:18:44] [INFO ] Computed 101 invariants in 4 ms
[2025-06-04 00:18:44] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20047 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40811ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40816ms
[2025-06-04 00:19:24] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:19:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:19:25] [INFO ] Implicit Places using invariants in 287 ms returned []
[2025-06-04 00:19:25] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:19:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:19:25] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:19:25] [INFO ] Implicit Places using invariants and state equation in 354 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 648 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 1182 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:19:26] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:19:26] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:19:27] [INFO ] Implicit Places using invariants in 236 ms returned []
[2025-06-04 00:19:27] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:19:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:19:27] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:19:27] [INFO ] Implicit Places using invariants and state equation in 504 ms returned []
Implicit Place search using SMT with State Equation took 742 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44087 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-07
Stuttering criterion allowed to conclude after 183 steps with 0 reset in 8 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-07 finished in 44159 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(!(!G(X(!X(X(p0))))&&G(p1)))) U p0))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 16 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:19:27] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:19:27] [INFO ] Computed 101 invariants in 3 ms
[2025-06-04 00:19:27] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 1.0)
(s6 0.0)
(s7 1.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 1.0)
(s12 0.0)
(s13 1.0)
(s14 0.0)
(s15 1.0)
(s16 0.0)
(s17 1.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 1.0)
(s22 0.0)
(s23 1.0)
(s24 1.0)
(s25 0.0)
(s26 0.0)
(s27 1.0)
(s28 0.0)
(s29 1.0)
(s30 0.0)
(s31 1.0)
(s32 0.0)
(s33 1.0)
(s34 0.0)
(s35 1.0)
(s36 0.0)
(s37 1.0)
(s38 0.0)
(s39 1.0)
(s40 0.0)
(s41 1.0)
(s42 0.0)
(s43 1.0)
(s44 timeout
0.0)
(s45 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40770ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40776ms
[2025-06-04 00:20:08] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:08] [INFO ] Implicit Places using invariants in 233 ms returned []
[2025-06-04 00:20:08] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:08] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:20:09] [INFO ] Implicit Places using invariants and state equation in 371 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 609 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 37 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:20:09] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:20:09] [INFO ] Computed 100 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:09] [INFO ] Implicit Places using invariants in 225 ms returned []
[2025-06-04 00:20:09] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:20:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:09] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:20:09] [INFO ] Implicit Places using invariants and state equation in 527 ms returned []
Implicit Place search using SMT with State Equation took 763 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42208 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 245 ms :[(NOT p0), (OR (NOT p0) p1), (AND p1 p0), (AND p1 p0), (AND p1 p0), (AND p1 p0), p1]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-09
Product exploration explored 100000 steps with 23839 reset in 555 ms.
Product exploration explored 100000 steps with 23850 reset in 651 ms.
Computed a total of 292 stabilizing places and 2758 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 292 transition count 2758
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 143 ms. Reduced automaton from 7 states, 9 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1510 steps (5 resets) in 18 ms. (79 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 5 factoid took 157 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
[2025-06-04 00:20:12] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:20:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG (NOT p0)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 5 factoid took 195 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-09 finished in 45377 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((p0 U G(p1)) U (X(p0)&&(G(p2)||F(p3)))))))'
Support contains 9 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 19 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:20:13] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:20:13] [INFO ] Computed 101 invariants in 0 ms
[2025-06-04 00:20:13] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40755ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40762ms
[2025-06-04 00:20:53] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:20:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:54] [INFO ] Implicit Places using invariants in 243 ms returned []
[2025-06-04 00:20:54] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:20:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:20:54] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:20:54] [INFO ] Implicit Places using invariants and state equation in 354 ms returned []
Implicit Place search using SMT with State Equation took 598 ms to find 0 implicit places.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:20:54] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:20:54] [INFO ] Invariant cache hit.
[2025-06-04 00:20:54] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60800ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 60808ms
Finished structural reductions in LTL mode , in 1 iterations and 102214 ms. Remains : 302/302 places, 3137/3137 transitions.
Stuttering acceptance computed with spot in 701 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (AND (NOT p3) (NOT p1)), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p2) (NOT p1)), true, (NOT p1), (AND (NOT p3) (NOT p0) p2), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-10
Stuttering criterion allowed to conclude after 411 steps with 3 reset in 10 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-10 finished in 102969 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (p1||G(p0)))))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 16 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:21:56] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:21:56] [INFO ] Invariant cache hit.
[2025-06-04 00:21:56] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40822ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40827ms
[2025-06-04 00:22:36] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:22:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:22:37] [INFO ] Implicit Places using invariants in 252 ms returned []
[2025-06-04 00:22:37] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:22:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:22:37] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:22:37] [INFO ] Implicit Places using invariants and state equation in 406 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 665 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 36 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:22:37] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:22:37] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:22:37] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-06-04 00:22:37] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:22:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:22:37] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:22:38] [INFO ] Implicit Places using invariants and state equation in 494 ms returned []
Implicit Place search using SMT with State Equation took 717 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42268 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 97 ms :[true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 419 ms.
Product exploration explored 100000 steps with 50000 reset in 444 ms.
Computed a total of 292 stabilizing places and 2758 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 292 transition count 2758
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X p1)), (F (G p1)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 20 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-11 finished in 43456 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 848 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:22:40] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:22:40] [INFO ] Computed 101 invariants in 3 ms
[2025-06-04 00:22:40] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20050 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40920ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40925ms
[2025-06-04 00:23:21] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:23:21] [INFO ] Implicit Places using invariants in 253 ms returned []
[2025-06-04 00:23:21] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:23:21] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:23:21] [INFO ] Implicit Places using invariants and state equation in 398 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 655 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 315 place count 293 transition count 2772
Iterating global reduction 1 with 7 rules applied. Total rules applied 322 place count 293 transition count 2772
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 329 place count 293 transition count 2765
Applied a total of 329 rules in 1238 ms. Remains 293 /301 variables (removed 8) and now considering 2765/3137 (removed 372) transitions.
[2025-06-04 00:23:23] [INFO ] Flow matrix only has 193 transitions (discarded 2572 similar events)
// Phase 1: matrix 193 rows 293 cols
[2025-06-04 00:23:23] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:23:23] [INFO ] Implicit Places using invariants in 253 ms returned []
[2025-06-04 00:23:23] [INFO ] Flow matrix only has 193 transitions (discarded 2572 similar events)
[2025-06-04 00:23:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:23:23] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:23:23] [INFO ] Implicit Places using invariants and state equation in 548 ms returned []
Implicit Place search using SMT with State Equation took 803 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 293/302 places, 2765/3137 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44475 ms. Remains : 293/302 places, 2765/3137 transitions.
Stuttering acceptance computed with spot in 42 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-12
Product exploration explored 100000 steps with 627 reset in 1790 ms.
Product exploration explored 100000 steps with 630 reset in 1754 ms.
Computed a total of 293 stabilizing places and 2765 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 293 transition count 2765
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 19 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-12 finished in 48288 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(F(p0)) U p1))))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 16 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:23:27] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:23:27] [INFO ] Computed 101 invariants in 3 ms
[2025-06-04 00:23:27] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40937ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40943ms
[2025-06-04 00:24:08] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:24:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:08] [INFO ] Implicit Places using invariants in 254 ms returned []
[2025-06-04 00:24:08] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:24:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:09] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:24:09] [INFO ] Implicit Places using invariants and state equation in 380 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 638 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 59 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:24:09] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:24:09] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:09] [INFO ] Implicit Places using invariants in 224 ms returned []
[2025-06-04 00:24:09] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:24:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:09] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:24:10] [INFO ] Implicit Places using invariants and state equation in 519 ms returned []
Implicit Place search using SMT with State Equation took 745 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42407 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 210 ms :[(NOT p1), (NOT p1), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-13
Stuttering criterion allowed to conclude after 198 steps with 0 reset in 3 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-13 finished in 42639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 302 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 739 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:24:11] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:24:11] [INFO ] Computed 101 invariants in 3 ms
[2025-06-04 00:24:11] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40944ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40949ms
[2025-06-04 00:24:52] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:24:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:52] [INFO ] Implicit Places using invariants in 274 ms returned []
[2025-06-04 00:24:52] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:24:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:52] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:24:52] [INFO ] Implicit Places using invariants and state equation in 419 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 698 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 316 place count 292 transition count 2766
Iterating global reduction 1 with 8 rules applied. Total rules applied 324 place count 292 transition count 2766
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 332 place count 292 transition count 2758
Applied a total of 332 rules in 1223 ms. Remains 292 /301 variables (removed 9) and now considering 2758/3137 (removed 379) transitions.
[2025-06-04 00:24:53] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
// Phase 1: matrix 192 rows 292 cols
[2025-06-04 00:24:53] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:54] [INFO ] Implicit Places using invariants in 249 ms returned []
[2025-06-04 00:24:54] [INFO ] Flow matrix only has 192 transitions (discarded 2566 similar events)
[2025-06-04 00:24:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:24:54] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:24:54] [INFO ] Implicit Places using invariants and state equation in 551 ms returned []
Implicit Place search using SMT with State Equation took 804 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 292/302 places, 2758/3137 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44420 ms. Remains : 292/302 places, 2758/3137 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-14
Product exploration explored 100000 steps with 747 reset in 1687 ms.
Product exploration explored 100000 steps with 723 reset in 1701 ms.
Computed a total of 292 stabilizing places and 2758 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 292 transition count 2758
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 44 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-14 finished in 48132 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(F(G(((F(X(p0)) U p1)||p0))))))'
Support contains 5 out of 302 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 302/302 places, 3137/3137 transitions.
Applied a total of 0 rules in 805 ms. Remains 302 /302 variables (removed 0) and now considering 3137/3137 (removed 0) transitions.
Running 3119 sub problems to find dead transitions.
[2025-06-04 00:24:59] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
// Phase 1: matrix 201 rows 302 cols
[2025-06-04 00:24:59] [INFO ] Computed 101 invariants in 2 ms
[2025-06-04 00:24:59] [INFO ] State equation strengthened by 183 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 3119/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/301 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/503 variables, and 100 constraints, problems are : Problem set: 0 solved, 3119 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 100/101 constraints, State Equation: 0/302 constraints, ReadFeed: 0/183 constraints, PredecessorRefiner: 1/3118 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40855ms problems are : Problem set: 0 solved, 3119 unsolved
Search for dead transitions found 0 dead transitions in 40861ms
[2025-06-04 00:25:40] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:25:40] [INFO ] Implicit Places using invariants in 261 ms returned []
[2025-06-04 00:25:40] [INFO ] Flow matrix only has 201 transitions (discarded 2936 similar events)
[2025-06-04 00:25:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:25:40] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:25:40] [INFO ] Implicit Places using invariants and state equation in 378 ms returned [110]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 644 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 301/302 places, 3137/3137 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 306 transitions
Redundant transition composition rules discarded 306 transitions
Iterating global reduction 0 with 306 rules applied. Total rules applied 306 place count 301 transition count 2831
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 308 place count 300 transition count 2830
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 315 place count 293 transition count 2776
Iterating global reduction 1 with 7 rules applied. Total rules applied 322 place count 293 transition count 2776
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 329 place count 293 transition count 2769
Applied a total of 329 rules in 1311 ms. Remains 293 /301 variables (removed 8) and now considering 2769/3137 (removed 368) transitions.
[2025-06-04 00:25:42] [INFO ] Flow matrix only has 193 transitions (discarded 2576 similar events)
// Phase 1: matrix 193 rows 293 cols
[2025-06-04 00:25:42] [INFO ] Computed 100 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:25:42] [INFO ] Implicit Places using invariants in 236 ms returned []
[2025-06-04 00:25:42] [INFO ] Flow matrix only has 193 transitions (discarded 2576 similar events)
[2025-06-04 00:25:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 00:25:42] [INFO ] State equation strengthened by 183 read => feed constraints.
[2025-06-04 00:25:42] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 784 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 293/302 places, 2769/3137 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44417 ms. Remains : 293/302 places, 2769/3137 transitions.
Stuttering acceptance computed with spot in 139 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D10CS100-LTLFireability-15
Stuttering criterion allowed to conclude after 189 steps with 0 reset in 5 ms.
FORMULA PhaseVariation-PT-D10CS100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D10CS100-LTLFireability-15 finished in 44583 ms.
All properties solved by simple procedures.
Total runtime 741818 ms.
BK_STOP 1748996743450
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="PhaseVariation-PT-D10CS100"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is PhaseVariation-PT-D10CS100, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r142-tall-174876813300796"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D10CS100.tgz
mv PhaseVariation-PT-D10CS100 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;