About the Execution of ITS-Tools for HirschbergSinclair-PT-50
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1138305.00 | 0.00 | 0.00 | FFFFFFFFFFFFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422100132.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 HirschbergSinclair-PT-50, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422100132
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 13K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 27K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 199K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 652K May 29 14:32 model.pnml
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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 HirschbergSinclair-PT-50-LTLFireability-00
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-01
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-02
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-03
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-04
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-05
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-06
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-07
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-08
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-09
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-10
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-11
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-12
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-13
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-14
FORMULA_NAME HirschbergSinclair-PT-50-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748788577695
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HirschbergSinclair-PT-50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 14:36:19] [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]
[2025-06-01 14:36:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 14:36:19] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2025-06-01 14:36:19] [INFO ] Transformed 1208 places.
[2025-06-01 14:36:19] [INFO ] Transformed 1102 transitions.
[2025-06-01 14:36:19] [INFO ] Parsed PT model containing 1208 places and 1102 transitions and 3361 arcs in 223 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Support contains 51 out of 1208 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1208/1208 places, 1102/1102 transitions.
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 1158 transition count 1102
Discarding 45 places :
Symmetric choice reduction at 1 with 45 rule applications. Total rules 95 place count 1113 transition count 1057
Iterating global reduction 1 with 45 rules applied. Total rules applied 140 place count 1113 transition count 1057
Discarding 43 places :
Symmetric choice reduction at 1 with 43 rule applications. Total rules 183 place count 1070 transition count 1014
Iterating global reduction 1 with 43 rules applied. Total rules applied 226 place count 1070 transition count 1014
Applied a total of 226 rules in 296 ms. Remains 1070 /1208 variables (removed 138) and now considering 1014/1102 (removed 88) transitions.
// Phase 1: matrix 1014 rows 1070 cols
[2025-06-01 14:36:19] [INFO ] Computed 56 invariants in 40 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:36:20] [INFO ] Implicit Places using invariants in 886 ms returned []
[2025-06-01 14:36:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:36:28] [INFO ] Implicit Places using invariants and state equation in 8139 ms returned []
Implicit Place search using SMT with State Equation took 9059 ms to find 0 implicit places.
Running 964 sub problems to find dead transitions.
[2025-06-01 14:36:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1020 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 964 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 1020/2084 variables, and 6 constraints, problems are : Problem set: 0 solved, 964 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1070 constraints, PredecessorRefiner: 964/964 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 964 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1020 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 964 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1020 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 964 unsolved
At refinement iteration 2 (OVERLAPS) 50/1070 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 964 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1070/2084 variables, and 56 constraints, problems are : Problem set: 0 solved, 964 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1070 constraints, PredecessorRefiner: 0/964 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60360ms problems are : Problem set: 0 solved, 964 unsolved
Search for dead transitions found 0 dead transitions in 60376ms
Starting structural reductions in LTL mode, iteration 1 : 1070/1208 places, 1014/1102 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69754 ms. Remains : 1070/1208 places, 1014/1102 transitions.
Support contains 51 out of 1070 places after structural reductions.
[2025-06-01 14:37:29] [INFO ] Flatten gal took : 100 ms
[2025-06-01 14:37:29] [INFO ] Flatten gal took : 59 ms
[2025-06-01 14:37:29] [INFO ] Input system was already deterministic with 1014 transitions.
RANDOM walk for 40000 steps (36 resets) in 1278 ms. (31 steps per ms) remains 2/37 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
[2025-06-01 14:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 894/899 variables, 51/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/899 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 67/966 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/966 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp30 is UNSAT
At refinement iteration 5 (OVERLAPS) 1014/1980 variables, 966/1022 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1980 variables, 0/1022 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/2084 variables, 104/1126 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2084 variables, 0/1126 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2084 variables, 0/1126 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2084/2084 variables, and 1126 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1461 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 1070/1070 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 824/826 variables, 49/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/826 variables, 0/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 140/966 variables, 7/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/966 variables, 0/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1014/1980 variables, 966/1022 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1980 variables, 0/1022 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/2084 variables, 104/1126 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2084 variables, 1/1127 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2084 variables, 0/1127 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/2084 variables, 0/1127 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2084/2084 variables, and 1127 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1390 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 1070/1070 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2878ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 533 ms.
Support contains 2 out of 1070 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Graph (complete) has 2032 edges and 1070 vertex of which 1020 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.4 ms
Discarding 50 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 450 transitions
Trivial Post-agglo rules discarded 450 transitions
Performed 450 trivial Post agglomeration. Transition count delta: 450
Iterating post reduction 0 with 500 rules applied. Total rules applied 501 place count 1020 transition count 514
Reduce places removed 450 places and 0 transitions.
Graph (complete) has 980 edges and 570 vertex of which 408 are kept as prefixes of interest. Removing 162 places using SCC suffix rule.1 ms
Discarding 162 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 451 rules applied. Total rules applied 952 place count 408 transition count 514
Drop transitions (Empty/Sink Transition effects.) removed 162 transitions
Reduce isomorphic transitions removed 162 transitions.
Iterating post reduction 2 with 162 rules applied. Total rules applied 1114 place count 408 transition count 352
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1114 place count 408 transition count 351
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1116 place count 407 transition count 351
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 1118 place count 405 transition count 349
Iterating global reduction 3 with 2 rules applied. Total rules applied 1120 place count 405 transition count 349
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1122 place count 405 transition count 347
Reduce places removed 2 places and 0 transitions.
Graph (complete) has 656 edges and 403 vertex of which 399 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 3 rules applied. Total rules applied 1125 place count 399 transition count 347
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1129 place count 399 transition count 343
Reduce places removed 49 places and 49 transitions.
Iterating global reduction 6 with 49 rules applied. Total rules applied 1178 place count 350 transition count 294
Reduce places removed 48 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 253 transitions
Trivial Post-agglo rules discarded 253 transitions
Performed 253 trivial Post agglomeration. Transition count delta: 253
Iterating post reduction 6 with 301 rules applied. Total rules applied 1479 place count 302 transition count 41
Reduce places removed 253 places and 0 transitions.
Iterating post reduction 7 with 253 rules applied. Total rules applied 1732 place count 49 transition count 41
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 23 Pre rules applied. Total rules applied 1732 place count 49 transition count 18
Deduced a syphon composed of 23 places in 0 ms
Ensure Unique test removed 3 places
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 8 with 49 rules applied. Total rules applied 1781 place count 23 transition count 18
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 8 with 3 rules applied. Total rules applied 1784 place count 22 transition count 16
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1786 place count 20 transition count 16
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 1 Pre rules applied. Total rules applied 1786 place count 20 transition count 15
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1788 place count 19 transition count 15
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1790 place count 18 transition count 14
Applied a total of 1790 rules in 112 ms. Remains 18 /1070 variables (removed 1052) and now considering 14/1014 (removed 1000) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 18/1070 places, 14/1014 transitions.
RANDOM walk for 40000 steps (2664 resets) in 383 ms. (104 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1594 resets) in 200 ms. (199 steps per ms) remains 1/1 properties
Probably explored full state space saw : 23 states, properties seen :0
Probabilistic random walk after 53 steps, saw 23 distinct states, run finished after 6 ms. (steps per millisecond=8 ) properties seen :0
Explored full state space saw : 23 states, properties seen :0
Exhaustive walk after 53 steps, saw 23 distinct states, run finished after 2 ms. (steps per millisecond=26 ) properties seen :0
FORMULA HirschbergSinclair-PT-50-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA HirschbergSinclair-PT-50-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
FORMULA HirschbergSinclair-PT-50-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-50-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 1070 stabilizing places and 1014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1070 transition count 1014
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' '!((F(p0)&&X(X(X(X(F(p1)))))))'
Support contains 5 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 1064 transition count 1008
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 1064 transition count 1008
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 17 place count 1059 transition count 1003
Iterating global reduction 0 with 5 rules applied. Total rules applied 22 place count 1059 transition count 1003
Applied a total of 22 rules in 138 ms. Remains 1059 /1070 variables (removed 11) and now considering 1003/1014 (removed 11) transitions.
// Phase 1: matrix 1003 rows 1059 cols
[2025-06-01 14:37:34] [INFO ] Computed 56 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:37:35] [INFO ] Implicit Places using invariants in 585 ms returned []
[2025-06-01 14:37:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:37:46] [INFO ] Implicit Places using invariants and state equation in 11350 ms returned []
Implicit Place search using SMT with State Equation took 11939 ms to find 0 implicit places.
Running 953 sub problems to find dead transitions.
[2025-06-01 14:37:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1009 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1009/2062 variables, and 6 constraints, problems are : Problem set: 0 solved, 953 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1059 constraints, PredecessorRefiner: 953/953 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 953 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1009 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1009 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
At refinement iteration 2 (OVERLAPS) 50/1059 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 953 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1059/2062 variables, and 56 constraints, problems are : Problem set: 0 solved, 953 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1059 constraints, PredecessorRefiner: 0/953 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60269ms problems are : Problem set: 0 solved, 953 unsolved
Search for dead transitions found 0 dead transitions in 60271ms
Starting structural reductions in LTL mode, iteration 1 : 1059/1070 places, 1003/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72354 ms. Remains : 1059/1070 places, 1003/1014 transitions.
Stuttering acceptance computed with spot in 389 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-01
Stuttering criterion allowed to conclude after 3075 steps with 3 reset in 36 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-01 finished in 73018 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(X(F(p0)))))'
Support contains 2 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 1063 transition count 1007
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 1063 transition count 1007
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 19 place count 1058 transition count 1002
Iterating global reduction 0 with 5 rules applied. Total rules applied 24 place count 1058 transition count 1002
Applied a total of 24 rules in 157 ms. Remains 1058 /1070 variables (removed 12) and now considering 1002/1014 (removed 12) transitions.
// Phase 1: matrix 1002 rows 1058 cols
[2025-06-01 14:38:47] [INFO ] Computed 56 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:38:48] [INFO ] Implicit Places using invariants in 556 ms returned []
[2025-06-01 14:38:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:38:59] [INFO ] Implicit Places using invariants and state equation in 11803 ms returned []
Implicit Place search using SMT with State Equation took 12362 ms to find 0 implicit places.
Running 952 sub problems to find dead transitions.
[2025-06-01 14:39:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Starting structural reductions in LTL mode, iteration 1 : 1058/1070 places, 1002/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72733 ms. Remains : 1058/1070 places, 1002/1014 transitions.
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-02
Product exploration explored 100000 steps with 112 reset in 443 ms.
Product exploration explored 100000 steps with 112 reset in 520 ms.
Computed a total of 1058 stabilizing places and 1002 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1058 transition count 1002
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 : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 3585 steps (0 resets) in 71 ms. (49 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 125 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 138 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2025-06-01 14:40:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 14:40:03] [INFO ] [Real]Absence check using 0 positive and 56 generalized place invariants in 278 ms returned sat
[2025-06-01 14:40:17] [INFO ] [Real]Absence check using state equation in 14113 ms returned unknown
Could not prove EG (NOT p0)
Support contains 2 out of 1058 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1058/1058 places, 1002/1002 transitions.
Applied a total of 0 rules in 42 ms. Remains 1058 /1058 variables (removed 0) and now considering 1002/1002 (removed 0) transitions.
[2025-06-01 14:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:40:17] [INFO ] Implicit Places using invariants in 540 ms returned []
[2025-06-01 14:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:40:29] [INFO ] Implicit Places using invariants and state equation in 11705 ms returned []
Implicit Place search using SMT with State Equation took 12256 ms to find 0 implicit places.
Running 952 sub problems to find dead transitions.
[2025-06-01 14:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
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(s656 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60222ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60226ms
Finished structural reductions in LTL mode , in 1 iterations and 72529 ms. Remains : 1058/1058 places, 1002/1002 transitions.
Computed a total of 1058 stabilizing places and 1002 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1058 transition count 1002
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 : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 80 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 3551 steps (0 resets) in 39 ms. (88 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 124 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 170 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2025-06-01 14:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 14:41:31] [INFO ] [Real]Absence check using 0 positive and 56 generalized place invariants in 288 ms returned sat
[2025-06-01 14:41:45] [INFO ] [Real]Absence check using state equation in 14113 ms returned unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 112 reset in 382 ms.
Product exploration explored 100000 steps with 112 reset in 421 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 1058 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1058/1058 places, 1002/1002 transitions.
Performed 439 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 439 rules applied. Total rules applied 439 place count 1058 transition count 1002
Deduced a syphon composed of 439 places in 4 ms
Applied a total of 439 rules in 198 ms. Remains 1058 /1058 variables (removed 0) and now considering 1002/1002 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 14:41:47] [INFO ] Redundant transitions in 55 ms returned []
Running 952 sub problems to find dead transitions.
// Phase 1: matrix 1002 rows 1058 cols
[2025-06-01 14:41:47] [INFO ] Computed 56 invariants in 11 ms
[2025-06-01 14:41:47] [INFO ] State equation strengthened by 439 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, ReadFeed: 0/439 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, ReadFeed: 0/439 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60200ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1058/1058 places, 1002/1002 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60464 ms. Remains : 1058/1058 places, 1002/1002 transitions.
Built C files in :
/tmp/ltsmin7752801348404275361
[2025-06-01 14:42:47] [INFO ] Built C files in 31ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7752801348404275361
Running compilation step : cd /tmp/ltsmin7752801348404275361;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1855 ms.
Running link step : cd /tmp/ltsmin7752801348404275361;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 61 ms.
Running LTSmin : cd /tmp/ltsmin7752801348404275361;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3456924031456689514.hoa' '--buchi-type=spotba'
LTSmin run took 1527 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-02 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property HirschbergSinclair-PT-50-LTLFireability-02 finished in 243845 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 X(p1))&&X(F(p2))) U X(p3))))'
Support contains 6 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 1063 transition count 1007
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 1063 transition count 1007
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 19 place count 1058 transition count 1002
Iterating global reduction 0 with 5 rules applied. Total rules applied 24 place count 1058 transition count 1002
Applied a total of 24 rules in 150 ms. Remains 1058 /1070 variables (removed 12) and now considering 1002/1014 (removed 12) transitions.
// Phase 1: matrix 1002 rows 1058 cols
[2025-06-01 14:42:51] [INFO ] Computed 56 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:42:52] [INFO ] Implicit Places using invariants in 528 ms returned []
[2025-06-01 14:42:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:43:03] [INFO ] Implicit Places using invariants and state equation in 11548 ms returned []
Implicit Place search using SMT with State Equation took 12080 ms to find 0 implicit places.
Running 952 sub problems to find dead transitions.
[2025-06-01 14:43:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 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 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60189ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60193ms
Starting structural reductions in LTL mode, iteration 1 : 1058/1070 places, 1002/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72428 ms. Remains : 1058/1070 places, 1002/1014 transitions.
Stuttering acceptance computed with spot in 410 ms :[(NOT p3), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), true, (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-03
Entered a terminal (fully accepting) state of product in 92 steps with 30 reset in 3 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-03 finished in 72881 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((X(G((G((!(p0 U p1)||p2))||p3)))||p0))))'
Support contains 4 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 1064 transition count 1008
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 1064 transition count 1008
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 1060 transition count 1004
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 1060 transition count 1004
Applied a total of 20 rules in 146 ms. Remains 1060 /1070 variables (removed 10) and now considering 1004/1014 (removed 10) transitions.
// Phase 1: matrix 1004 rows 1060 cols
[2025-06-01 14:44:04] [INFO ] Computed 56 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:44:04] [INFO ] Implicit Places using invariants in 535 ms returned []
[2025-06-01 14:44:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:44:16] [INFO ] Implicit Places using invariants and state equation in 11305 ms returned []
Implicit Place search using SMT with State Equation took 11843 ms to find 0 implicit places.
Running 954 sub problems to find dead transitions.
[2025-06-01 14:44:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1010 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1010/2064 variables, and 6 constraints, problems are : Problem set: 0 solved, 954 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1060 constraints, PredecessorRefiner: 954/954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 954 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1010 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1010 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
At refinement iteration 2 (OVERLAPS) 50/1060 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 954 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1060/2064 variables, and 56 constraints, problems are : Problem set: 0 solved, 954 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1060 constraints, PredecessorRefiner: 0/954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 954 unsolved
Search for dead transitions found 0 dead transitions in 60207ms
Starting structural reductions in LTL mode, iteration 1 : 1060/1070 places, 1004/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72201 ms. Remains : 1060/1070 places, 1004/1014 transitions.
Stuttering acceptance computed with spot in 298 ms :[true, (AND (NOT p0) p1 (NOT p2) (NOT p3)), p1, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3)), (AND (NOT p0) p1 (NOT p2) (NOT p3))]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2336 steps with 2 reset in 17 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-04 finished in 72549 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(p0)||F(p1)))) U (p2||X(p1))))'
Support contains 4 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 1064 transition count 1008
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 1064 transition count 1008
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 1060 transition count 1004
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 1060 transition count 1004
Applied a total of 20 rules in 146 ms. Remains 1060 /1070 variables (removed 10) and now considering 1004/1014 (removed 10) transitions.
// Phase 1: matrix 1004 rows 1060 cols
[2025-06-01 14:45:16] [INFO ] Computed 56 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:45:17] [INFO ] Implicit Places using invariants in 558 ms returned []
[2025-06-01 14:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:45:28] [INFO ] Implicit Places using invariants and state equation in 11365 ms returned []
Implicit Place search using SMT with State Equation took 11924 ms to find 0 implicit places.
Running 954 sub problems to find dead transitions.
[2025-06-01 14:45:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1010 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
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(s614 timeout
1.0)
(s615 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1010/2064 variables, and 6 constraints, problems are : Problem set: 0 solved, 954 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1060 constraints, PredecessorRefiner: 954/954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 954 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1010 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1010 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 954 unsolved
At refinement iteration 2 (OVERLAPS) 50/1060 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 954 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1060/2064 variables, and 56 constraints, problems are : Problem set: 0 solved, 954 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1060 constraints, PredecessorRefiner: 0/954 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60186ms problems are : Problem set: 0 solved, 954 unsolved
Search for dead transitions found 0 dead transitions in 60188ms
Starting structural reductions in LTL mode, iteration 1 : 1060/1070 places, 1004/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72261 ms. Remains : 1060/1070 places, 1004/1014 transitions.
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p1) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-06
Product exploration explored 100000 steps with 93 reset in 352 ms.
Product exploration explored 100000 steps with 93 reset in 453 ms.
Computed a total of 1060 stabilizing places and 1004 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1060 transition count 1004
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 p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 14 factoid took 341 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 10 states, 30 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 432 ms :[(NOT p1), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p2 (NOT p0)), false, false, false, false, false]
RANDOM walk for 40000 steps (36 resets) in 459 ms. (86 steps per ms) remains 4/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 223 ms. (178 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 127 ms. (312 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 154 ms. (258 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 4/4 properties
[2025-06-01 14:46:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 699/703 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/703 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 259/962 variables, 21/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/962 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem apf3 is UNSAT
Problem apf4 is UNSAT
Problem apf9 is UNSAT
At refinement iteration 5 (OVERLAPS) 1004/1966 variables, 962/1018 constraints. Problems are: Problem set: 3 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1966 variables, 0/1018 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 98/2064 variables, 98/1116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2064 variables, 0/1116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/2064 variables, 0/1116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2064/2064 variables, and 1116 constraints, problems are : Problem set: 3 solved, 1 unsolved in 998 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 1060/1060 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 699/703 variables, 35/35 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/703 variables, 0/35 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 259/962 variables, 21/56 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/962 variables, 0/56 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1004/1966 variables, 962/1018 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1966 variables, 0/1018 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 98/2064 variables, 98/1116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2064 variables, 1/1117 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2064 variables, 0/1117 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/2064 variables, 0/1117 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2064/2064 variables, and 1117 constraints, problems are : Problem set: 3 solved, 1 unsolved in 1276 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 1060/1060 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2292ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 57 ms.
Support contains 4 out of 1060 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1060/1060 places, 1004/1004 transitions.
Graph (complete) has 2018 edges and 1060 vertex of which 1029 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.2 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 439 transitions
Trivial Post-agglo rules discarded 439 transitions
Performed 439 trivial Post agglomeration. Transition count delta: 439
Iterating post reduction 0 with 470 rules applied. Total rules applied 471 place count 1029 transition count 534
Reduce places removed 439 places and 0 transitions.
Graph (complete) has 1030 edges and 590 vertex of which 496 are kept as prefixes of interest. Removing 94 places using SCC suffix rule.1 ms
Discarding 94 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 440 rules applied. Total rules applied 911 place count 496 transition count 534
Drop transitions (Empty/Sink Transition effects.) removed 94 transitions
Reduce isomorphic transitions removed 94 transitions.
Iterating post reduction 2 with 94 rules applied. Total rules applied 1005 place count 496 transition count 440
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 1006 place count 495 transition count 439
Iterating global reduction 3 with 1 rules applied. Total rules applied 1007 place count 495 transition count 439
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 1008 place count 494 transition count 438
Iterating global reduction 3 with 1 rules applied. Total rules applied 1009 place count 494 transition count 438
Free-agglomeration rule (complex) applied 17 times.
Iterating global reduction 3 with 17 rules applied. Total rules applied 1026 place count 494 transition count 421
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 3 with 17 rules applied. Total rules applied 1043 place count 477 transition count 421
Reduce places removed 49 places and 49 transitions.
Iterating global reduction 4 with 49 rules applied. Total rules applied 1092 place count 428 transition count 372
Reduce places removed 31 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 198 transitions
Trivial Post-agglo rules discarded 198 transitions
Performed 198 trivial Post agglomeration. Transition count delta: 198
Iterating post reduction 4 with 229 rules applied. Total rules applied 1321 place count 397 transition count 174
Reduce places removed 198 places and 0 transitions.
Iterating post reduction 5 with 198 rules applied. Total rules applied 1519 place count 199 transition count 174
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 16 Pre rules applied. Total rules applied 1519 place count 199 transition count 158
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1551 place count 183 transition count 158
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 6 with 1 rules applied. Total rules applied 1552 place count 182 transition count 158
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 1552 place count 182 transition count 157
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 1554 place count 181 transition count 157
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 1560 place count 178 transition count 154
Applied a total of 1560 rules in 106 ms. Remains 178 /1060 variables (removed 882) and now considering 154/1004 (removed 850) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 107 ms. Remains : 178/1060 places, 154/1004 transitions.
RANDOM walk for 4810 steps (31 resets) in 27 ms. (171 steps per ms) remains 0/1 properties
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p2))), (F (G (NOT p1))), (F (G (NOT p0))), (G (OR (NOT p1) p2 (NOT p0))), (G (OR (NOT p1) (NOT p2) p0)), (G (OR (NOT p1) (NOT p2) (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR p1 (NOT p2) p0))), (F (NOT (OR p1 (NOT p2) (NOT p0)))), (F p2), (F p0), (F p1), (F (NOT (OR (NOT p1) p2 p0)))]
Property proved to be false thanks to negative knowledge :(F (NOT (AND (NOT p1) (NOT p0))))
Knowledge based reduction with 17 factoid took 144 ms. Reduced automaton from 10 states, 30 edges and 3 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-50-LTLFireability-06 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-50-LTLFireability-06 finished in 77316 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||(p1 U X((G(p0)||(G(p2)&&X(p3)))))))))'
Support contains 8 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 1064 transition count 1008
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 1064 transition count 1008
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 17 place count 1059 transition count 1003
Iterating global reduction 0 with 5 rules applied. Total rules applied 22 place count 1059 transition count 1003
Applied a total of 22 rules in 126 ms. Remains 1059 /1070 variables (removed 11) and now considering 1003/1014 (removed 11) transitions.
// Phase 1: matrix 1003 rows 1059 cols
[2025-06-01 14:46:34] [INFO ] Computed 56 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:46:34] [INFO ] Implicit Places using invariants in 542 ms returned []
[2025-06-01 14:46:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:46:44] [INFO ] Implicit Places using invariants and state equation in 10074 ms returned []
Implicit Place search using SMT with State Equation took 10619 ms to find 0 implicit places.
Running 953 sub problems to find dead transitions.
[2025-06-01 14:46:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1009 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1009/2062 variables, and 6 constraints, problems are : Problem set: 0 solved, 953 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1059 constraints, PredecessorRefiner: 953/953 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 953 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1009 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1009 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 953 unsolved
At refinement iteration 2 (OVERLAPS) 50/1059 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 953 unsolved
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(s336 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1059/2062 variables, and 56 constraints, problems are : Problem set: 0 solved, 953 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1059 constraints, PredecessorRefiner: 0/953 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60216ms problems are : Problem set: 0 solved, 953 unsolved
Search for dead transitions found 0 dead transitions in 60219ms
Starting structural reductions in LTL mode, iteration 1 : 1059/1070 places, 1003/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70971 ms. Remains : 1059/1070 places, 1003/1014 transitions.
Stuttering acceptance computed with spot in 541 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), true, (NOT p0), (NOT p2), (AND p2 (NOT p3)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) p2 (NOT p3)), (AND p2 (NOT p3) (NOT p0)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-07 finished in 71547 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)||(p1&&X(p1)))) U X((p2 U p0))))'
Support contains 3 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 1063 transition count 1007
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 1063 transition count 1007
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 19 place count 1058 transition count 1002
Iterating global reduction 0 with 5 rules applied. Total rules applied 24 place count 1058 transition count 1002
Applied a total of 24 rules in 119 ms. Remains 1058 /1070 variables (removed 12) and now considering 1002/1014 (removed 12) transitions.
// Phase 1: matrix 1002 rows 1058 cols
[2025-06-01 14:47:45] [INFO ] Computed 56 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:47:46] [INFO ] Implicit Places using invariants in 543 ms returned []
[2025-06-01 14:47:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:47:58] [INFO ] Implicit Places using invariants and state equation in 11949 ms returned []
Implicit Place search using SMT with State Equation took 12495 ms to find 0 implicit places.
Running 952 sub problems to find dead transitions.
[2025-06-01 14:47:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60217ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60220ms
Starting structural reductions in LTL mode, iteration 1 : 1058/1070 places, 1002/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72840 ms. Remains : 1058/1070 places, 1002/1014 transitions.
Stuttering acceptance computed with spot in 248 ms :[(NOT p0), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-09
Stuttering criterion allowed to conclude after 2568 steps with 733 reset in 18 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-09 finished in 73136 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' '!((p0 U G(!p0)))'
Support contains 1 out of 1070 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Reduce places removed 50 places and 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 450 transitions
Trivial Post-agglo rules discarded 450 transitions
Performed 450 trivial Post agglomeration. Transition count delta: 450
Iterating post reduction 0 with 450 rules applied. Total rules applied 450 place count 1020 transition count 514
Reduce places removed 450 places and 0 transitions.
Iterating post reduction 1 with 450 rules applied. Total rules applied 900 place count 570 transition count 514
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 906 place count 564 transition count 508
Iterating global reduction 2 with 6 rules applied. Total rules applied 912 place count 564 transition count 508
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 2 rules applied. Total rules applied 914 place count 564 transition count 506
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 916 place count 562 transition count 506
Applied a total of 916 rules in 53 ms. Remains 562 /1070 variables (removed 508) and now considering 506/1014 (removed 508) transitions.
// Phase 1: matrix 506 rows 562 cols
[2025-06-01 14:48:58] [INFO ] Computed 56 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:48:59] [INFO ] Implicit Places using invariants in 883 ms returned []
[2025-06-01 14:48:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:49:14] [INFO ] Implicit Places using invariants and state equation in 15178 ms returned []
Implicit Place search using SMT with State Equation took 16061 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 14:49:14] [INFO ] Redundant transitions in 4 ms returned []
Running 407 sub problems to find dead transitions.
[2025-06-01 14:49:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/463 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/463 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (OVERLAPS) 2/465 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/465 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (OVERLAPS) 410/875 variables, 465/521 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 875/1068 variables, and 521 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 465/562 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 407 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/463 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/463 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (OVERLAPS) 2/465 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/465 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (OVERLAPS) 410/875 variables, 465/521 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/875 variables, 407/928 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 875/1068 variables, and 928 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 465/562 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60058ms problems are : Problem set: 0 solved, 407 unsolved
Search for dead transitions found 0 dead transitions in 60059ms
Starting structural reductions in SI_LTL mode, iteration 1 : 562/1070 places, 506/1014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76183 ms. Remains : 562/1070 places, 506/1014 transitions.
Stuttering acceptance computed with spot in 87 ms :[p0, true, p0]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-10
Entered a terminal (fully accepting) state of product in 108 steps with 0 reset in 2 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-10 finished in 76292 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)&&F(G(p1)))))'
Support contains 2 out of 1070 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Reduce places removed 50 places and 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 449 transitions
Trivial Post-agglo rules discarded 449 transitions
Performed 449 trivial Post agglomeration. Transition count delta: 449
Iterating post reduction 0 with 449 rules applied. Total rules applied 449 place count 1020 transition count 515
Reduce places removed 449 places and 0 transitions.
Iterating post reduction 1 with 449 rules applied. Total rules applied 898 place count 571 transition count 515
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 904 place count 565 transition count 509
Iterating global reduction 2 with 6 rules applied. Total rules applied 910 place count 565 transition count 509
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 2 rules applied. Total rules applied 912 place count 565 transition count 507
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 914 place count 563 transition count 507
Applied a total of 914 rules in 52 ms. Remains 563 /1070 variables (removed 507) and now considering 507/1014 (removed 507) transitions.
// Phase 1: matrix 507 rows 563 cols
[2025-06-01 14:50:15] [INFO ] Computed 56 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:50:15] [INFO ] Implicit Places using invariants in 848 ms returned []
[2025-06-01 14:50:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:50:30] [INFO ] Implicit Places using invariants and state equation in 14744 ms returned []
Implicit Place search using SMT with State Equation took 15595 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 14:50:30] [INFO ] Redundant transitions in 3 ms returned []
Running 408 sub problems to find dead transitions.
[2025-06-01 14:50:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (OVERLAPS) 2/466 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/466 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 411/877 variables, 466/522 constraints. Problems are: Problem set: 0 solved, 408 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 877/1070 variables, and 522 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 466/563 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/464 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/464 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (OVERLAPS) 2/466 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/466 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 411/877 variables, 466/522 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/877 variables, 408/930 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 877/1070 variables, and 930 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 466/563 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60067ms problems are : Problem set: 0 solved, 408 unsolved
Search for dead transitions found 0 dead transitions in 60068ms
Starting structural reductions in SI_LTL mode, iteration 1 : 563/1070 places, 507/1014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75727 ms. Remains : 563/1070 places, 507/1014 transitions.
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-11
Stuttering criterion allowed to conclude after 1007 steps with 1 reset in 10 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-11 finished in 75890 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 U p1))))'
Support contains 4 out of 1070 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Reduce places removed 48 places and 48 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 422 transitions
Trivial Post-agglo rules discarded 422 transitions
Performed 422 trivial Post agglomeration. Transition count delta: 422
Iterating post reduction 0 with 422 rules applied. Total rules applied 422 place count 1022 transition count 544
Reduce places removed 422 places and 0 transitions.
Iterating post reduction 1 with 422 rules applied. Total rules applied 844 place count 600 transition count 544
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 851 place count 593 transition count 537
Iterating global reduction 2 with 7 rules applied. Total rules applied 858 place count 593 transition count 537
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 2 rules applied. Total rules applied 860 place count 593 transition count 535
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 862 place count 591 transition count 535
Applied a total of 862 rules in 50 ms. Remains 591 /1070 variables (removed 479) and now considering 535/1014 (removed 479) transitions.
// Phase 1: matrix 535 rows 591 cols
[2025-06-01 14:51:30] [INFO ] Computed 56 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:51:31] [INFO ] Implicit Places using invariants in 808 ms returned []
[2025-06-01 14:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:51:44] [INFO ] Implicit Places using invariants and state equation in 12495 ms returned []
Implicit Place search using SMT with State Equation took 13306 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 14:51:44] [INFO ] Redundant transitions in 4 ms returned []
Running 439 sub problems to find dead transitions.
[2025-06-01 14:51:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/495 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/495 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 2 (OVERLAPS) 2/497 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/497 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 4 (OVERLAPS) 441/938 variables, 497/553 constraints. Problems are: Problem set: 0 solved, 439 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 938/1126 variables, and 553 constraints, problems are : Problem set: 0 solved, 439 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 497/591 constraints, PredecessorRefiner: 439/439 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 439 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/495 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/495 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 2 (OVERLAPS) 2/497 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/497 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 4 (OVERLAPS) 441/938 variables, 497/553 constraints. Problems are: Problem set: 0 solved, 439 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/938 variables, 439/992 constraints. Problems are: Problem set: 0 solved, 439 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 938/1126 variables, and 992 constraints, problems are : Problem set: 0 solved, 439 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 497/591 constraints, PredecessorRefiner: 439/439 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60068ms problems are : Problem set: 0 solved, 439 unsolved
Search for dead transitions found 0 dead transitions in 60069ms
Starting structural reductions in SI_LTL mode, iteration 1 : 591/1070 places, 535/1014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 73438 ms. Remains : 591/1070 places, 535/1014 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-13
Stuttering criterion allowed to conclude after 588 steps with 0 reset in 7 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-13 finished in 73556 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 1 out of 1070 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Reduce places removed 50 places and 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 450 transitions
Trivial Post-agglo rules discarded 450 transitions
Performed 450 trivial Post agglomeration. Transition count delta: 450
Iterating post reduction 0 with 450 rules applied. Total rules applied 450 place count 1020 transition count 514
Reduce places removed 450 places and 0 transitions.
Iterating post reduction 1 with 450 rules applied. Total rules applied 900 place count 570 transition count 514
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 907 place count 563 transition count 507
Iterating global reduction 2 with 7 rules applied. Total rules applied 914 place count 563 transition count 507
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 2 rules applied. Total rules applied 916 place count 563 transition count 505
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 918 place count 561 transition count 505
Applied a total of 918 rules in 55 ms. Remains 561 /1070 variables (removed 509) and now considering 505/1014 (removed 509) transitions.
// Phase 1: matrix 505 rows 561 cols
[2025-06-01 14:52:44] [INFO ] Computed 56 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:52:45] [INFO ] Implicit Places using invariants in 845 ms returned []
[2025-06-01 14:52:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:53:01] [INFO ] Implicit Places using invariants and state equation in 15740 ms returned []
Implicit Place search using SMT with State Equation took 16587 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 14:53:01] [INFO ] Redundant transitions in 2 ms returned []
Running 406 sub problems to find dead transitions.
[2025-06-01 14:53:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/462 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/462 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (OVERLAPS) 2/464 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/464 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 408/872 variables, 464/520 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 872/1066 variables, and 520 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 464/561 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/462 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/462 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (OVERLAPS) 2/464 variables, 51/56 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/464 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 408/872 variables, 464/520 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/872 variables, 406/926 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 872/1066 variables, and 926 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 464/561 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60057ms
Starting structural reductions in SI_LTL mode, iteration 1 : 561/1070 places, 505/1014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76710 ms. Remains : 561/1070 places, 505/1014 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-14
Product exploration explored 100000 steps with 270 reset in 384 ms.
Product exploration explored 100000 steps with 270 reset in 414 ms.
Computed a total of 561 stabilizing places and 505 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 561 transition count 505
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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 75 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 80 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1577 steps (0 resets) in 17 ms. (87 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 4 factoid took 103 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-50-LTLFireability-14 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-50-LTLFireability-14 finished in 78076 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((F(p0)&&p1)))) U p0))'
Support contains 3 out of 1070 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1070/1070 places, 1014/1014 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 1063 transition count 1007
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 1063 transition count 1007
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 19 place count 1058 transition count 1002
Iterating global reduction 0 with 5 rules applied. Total rules applied 24 place count 1058 transition count 1002
Applied a total of 24 rules in 111 ms. Remains 1058 /1070 variables (removed 12) and now considering 1002/1014 (removed 12) transitions.
// Phase 1: matrix 1002 rows 1058 cols
[2025-06-01 14:54:02] [INFO ] Computed 56 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:54:03] [INFO ] Implicit Places using invariants in 553 ms returned []
[2025-06-01 14:54:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 14:54:15] [INFO ] Implicit Places using invariants and state equation in 11997 ms returned []
Implicit Place search using SMT with State Equation took 12552 ms to find 0 implicit places.
Running 952 sub problems to find dead transitions.
[2025-06-01 14:54:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1008/2060 variables, and 6 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 6/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 952/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 952 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1008 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1008 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 952 unsolved
At refinement iteration 2 (OVERLAPS) 50/1058 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 952 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1058/2060 variables, and 56 constraints, problems are : Problem set: 0 solved, 952 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 56/56 constraints, State Equation: 0/1058 constraints, PredecessorRefiner: 0/952 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60189ms problems are : Problem set: 0 solved, 952 unsolved
Search for dead transitions found 0 dead transitions in 60191ms
Starting structural reductions in LTL mode, iteration 1 : 1058/1070 places, 1002/1014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72859 ms. Remains : 1058/1070 places, 1002/1014 transitions.
Stuttering acceptance computed with spot in 188 ms :[(NOT p0), (AND p0 p1), p0, true, (OR (NOT p0) p1)]
Running random walk in product with property : HirschbergSinclair-PT-50-LTLFireability-15
Entered a terminal (fully accepting) state of product in 431 steps with 0 reset in 4 ms.
FORMULA HirschbergSinclair-PT-50-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-50-LTLFireability-15 finished in 73088 ms.
All properties solved by simple procedures.
Total runtime 1136612 ms.
BK_STOP 1748789716000
--------------------
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="HirschbergSinclair-PT-50"
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 HirschbergSinclair-PT-50, 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 r114-tall-174876422100132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-50.tgz
mv HirschbergSinclair-PT-50 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 ;